Where should be the level of datum surface zero setting of the vernier calliper, while using a straight scriber?
Above
Blow
Behind
In front of
A substance used in between two metallic surfaces or joints to make them leakproof is called-
Gasket
Seal
Stopper
Shim
At which pressure the gauge indicates as zero-
Vacuum pressure
Critical pressure
Absolute pressure
Atmospheric pressure
Which tool is used for extracting nails from the wood?
Pincer
Hand drill
Bradawl
Poker
is used for cutting copper and aluminium wires of smaller diameter (less than 4 mm).
Flat nose pliers
Long nose pliers
Round nose pliers
Side cutting pliers
Angle sheet, c-clamp, stake and mallets are type of ——-
Measuring tools
Fire extinguishers
Folding tools
Hammers
————is a machining operation for producing flat seat for bolt head, washer or nut at the opening of drilled hole.
Counterboring
Spot facing
Drilling
Milling
Peen is a part of
Face
Cheek
Eyehole
Hammer head
What is the weight of engineer’s hammer used for marking purpose?
125 gm
250 gm
1 kg
1.5 kg
Which file is used for ordinary filing purpose?
Rough file
Bastard file
Second cut file
Smooth file
has individual, sharp and pointed teeth in line and is useful for filing wood.
Double cut
Single cut
Curved cut
Rasp cut
Which file is used for internal curved surface?
Knife-edge cut
Triangular cut
Half round cut
Square cut
The size of a vice is stated by the….. of the jaws.
Width
Length
Height
Depth
Universal surface gauge is used for-
Setting jobs on machines parallel to datum surface
Protect the work surface from damage
Hold work for sawing
Filing internal curved surface
are used to support the job and to provide a vertical/angular plane for marking.
Rocker arm
Scriber
Spindle
Angle plate
What is the angle of prick punch?
10° to 30°
30° to 60°
60° to 90°
90° to 120°
————– is a spring loaded lever which helps to set the vernier slab in any position on the beam scale.
Vernier slide
Movable jaws
Depth bar
Thumb lever
is used for cutting keyways, grooves and slots.
Flat chisel
Cross-cut chisel
Half round nose chisel
Diamond point chisel
Metal bar used to tighten nuts having allen keys wrenches and pliers are made up of
Octangonal metal bar
Square metal bar
Hexagonal metal bar
Round metal bar
Internal threads are cut using ………….
Welding
Taps
Drilling
Sheet metal
A hand vice is used for
Small jobs
Medium jobs
Large jobs
None of these
Centre Punch is
Cutting tool
Marking tool
Measuring tool
None of these
Taps are used for
Cutting external threads
Drilling a hole
Producing internal threads
Measuring internal diameter of a hole
Grinding is mainly used for
Rough finishing
Semi rough finishing
Fine finishing
None of these
In a lap joint
The plates are joined at the edges
The plates are kept one over other
One plate is kept horizontally
Other is vertical
Which of the following is velocity measuring instrument?
Psychrometer
Thermometer
Anemometer
Micrometer
The rotor and stator interval of small hermetic unit is checked.
by sheet gauge
by screw gauge
by feeler gauge
by radius gauge
Which of the following micrometer has thimble and sleeve graduations in opposite directions as compared to outside micrometer?
Inside micrometer
Depth micrometer
Tube micrometer
Flange micrometer
Depth micrometer is used to check the size of higher ranges, the reason for this is-
it has many extension rods with it
it has long spindle
it has long sleeve
it has adjustable base
Marking the datum line is marked on the external micrometer at the-
frame
thimble
spindle
barrel
Which of the following is not a type of micrometer?
Vernier micrometer
Inside micrometer
Sheet micrometer
Flat edge micrometer
Micrometer is based on which principle?
On the principle of proportional speed of gear
On the principle of the distance between anvil and spindle
On the principle of lead and pitch of screw thread
None of these
Who invented micrometer?
Jean Palmer
John Pascal
Perry dean
None of these
The least count of micrometer in metric system is-
0.001 mm
0.01 mm
0.1 mm
1.01 mm
What is used to stabilize the job in the frame of micrometer?
Thimble lock
Ratchet stop
Steeve lock
Lock nut
The value of one part of vernier bevel protector is-
1°
5°
0.01°
30°
Which of the following is not a precision measuring instrument?
Micrometer
Vernier caliper
Vernier gauge
Dial gauge
Main scale is on which part of the vernier caliper?
Tail
Beam
Vernier slide
Jaw clamp
The instrument which can take the external, internal and depth measurement is called-
depth micrometer
combi micrometer
vernier caliper
vernier micrometer
It is not a part of vernier caliper-
main scale
depth beam
spindle
locking screw
Which of the following file is called vixen file?
Rasp cut file
Curved cut file
Knife edge file
Hand file
In a shaper machine, the metal is removed during-
a.Return stroke
b.Forward stroke
c.Both (a) and (b)
d.Neither the forward nor the return stroke
A tool used to withdraw a drill from the sleeve is called-
Drill remover
Drill puller
Drift
Drill drawer
Vernier height gauge is required for ——-
marking a fitting job
measure the dimension
marking the angle
check the level
What precaution must be taken for hand drill machine?
Tighten the drill bit property like jaw
Press the handle straight while using machine
Mark the metal sheets with centre punch before making holes in it
All of these
The size of the set square is taken by-
the length and width of stock
the length and width of blade
the internal edge of stock to the ending edge of blade
none of these
Which angle can be checked by set square?
30°
45°
60°
90°
Which of the following names do not indicate the grade of file?
Bastard
First cut
Second cut
Smooth
Which of the following removes extra material from the job?
Rough file
Dead smooth file
Second cut file
Bastard file
Filing of tin, lead, copper etc. is done by-
rasp cut file
curved cut file
single cut file
double cut file
What is the quantity of carbon in cold chisel?
0.75% to 1.00%
0.70% to 1.00%
0.60% to 0.90%
0.90% to 1.000%
Reamer is a device used for-
cutting and drilling the material
finishing of material after drilling and cutting
internal threading
external threading
The thickness of GI sheet is measured by-
plug gauge
vernier height gauge
sheet gauge
feeler gauge
What is used to check the concave and convex surface of the fitting job?
Feeler gauge
Wire gauge
Radius gauge
Height level
What is not present in the combination set box?
Steel rule
Protect head
Radius gauge
Square head
What precaution should be taken while using screw driver?
Choose the screw driver according to the size of the screw
Do not beat the handle of screw driver with hammer
Do not use it on the place of chisel
All of these
What is the use of de-burning tool?
Flare the tube
Cut or bore the tube
Swedge the copper tube
Scrap the ID and OD of copper tube
Cutting blade of a tube cutter is made of ……..
high carbon steel
stainless steel
mild steel
cast iron
The type of file used for a wood work is-
Single-cut file
Double cut file
Rasp-cut file
Any one of these
The copper tubes to be used in refrigeration and air conditioning system are cut by-
Flaring tool
Swaging tool
Tube cutter
Tube bender
A hack saw blade is specified by its-
Length
Material
Width
Number of teeth
A file removes the metal during-
a.Forward stroke
b.Return stroke
c.Both (a) and (b)
d.None of these
The following is a cutting tool ——
Steel rule
Surface plate
Chiesel
Pipe vice
Mallet is a
Hard hammer
Soft hammer
Smoothing hammer
Stretching hammer
After cutting threads in the hole by a tap it is found that the crest of the thread is not completely made, the reason for this is-
the gap is not complete
the tip of the cutting edge of the tap is broken
the size of the hole is smaller than the size of tape drill
the size of the hole is bigger than the size of tape drill
A bench vice is specified in the following manner ?
by the length of spindle
by the width of jaw
by the length of stable jaw
by the kinetic distance of moving jaw
Which threads are cut on the spindle of bench vice?
Buttress thread
V threads
Square thread
Acme thread
The body of a bench vice is made of-
cast iron
high carbon steel
nickel steel
chromium steel
The blade of screw driver is made of-
mild steel
carbon steel
copper
nickel
A part of flaring tool is-
a.flaring block
b.yoke
c.flaring nut
d.both (a) and (c)
The tool used in making holes in gasket in refrigeration is-
compound gauge
punch set
pitching tool
pressure gauge
The tool used for closing the tube used in refrigeration from any place is-
compound gauge
punch set
pitching tool
pressure gauge
The tool used in measuring the positive pressure of the gases used in refrigeration-
compound gauge
pitching tool
punch set
pressure gauge
The tool used for bifurcating the gas flowing in gas tube and other tubes and transferring it to any other place-
gas bender
gas manifold
gas valve
gas divider
The part of saw which does not have teeth on it-
back chte i gulpi
blade
tip
heel
Piercing pliers is used for-
bending wires
pinching off copper pipes
recovering gas by making holes in tube
charging oil
Gasket is used-
for reducing vibration
for the strength of joints of components
for preventing the leakage of gas
for filling ingredients
Gasket is commonly used in automobile workshop in the form of a static seal. Seal is made of copper, aluminium, asbestos, cork fiber, paper and synthetic rubber. How you will cut the holes in gasket to go through bolts?
Use knife
Use punch
Use chisel
Use hacksaw
There are some specific and special tool used to cut flare, join the copper tubes. What is the tool used to cut large size hard drawn copper tubes?
Tube cutter
Hacksaw
Cutting wheel
Knife
An outside micrometer has a negative error. the correct reading can be taken by……
adding the negative error in the actual reading
deducting the negative error from the actual reading
adding twice the negative error in the actual reading
deducting twice the negative error from the actual reading
A micrometer has a positive error of 0.02 mm. What is the correct reading when the micrometer measures 25.41 mm?
25.39 mm
25.37 mm
25.43 mm
25.45 mm
Steel Rule is a-
Marking Instrument
Precision Instrument
Checking Instrument
Direct Reading measuring Instrument
What is determined while measuring a component
nominal size
actual size
specified size
scale size
Steel Rule is made of which metal-
Brass
Zinc
Stanless steel
Cost Iron
Its reading accuracy least count is 0.5 mm. Which of the following instrument is used for checking Flathness and squarneness surface.
Try square
Vernier height gauge
Slip Gauge
Bevel gauge
Which of the following is an indirect measuring tool-
Inside caliper
Vernier Calpier
Universal bevel protractor
Inside micrometer
The base unit of length as per SI unit is-
Inch
Foot
Centrimeter
miter
Which of the following is not used for try square?
Right angle measurement
check the squarness
mark line sat 90° to the edges of workpieces
Setting workpiece at 90° degree
Which of the following is an direct tool-
Try square
Steel rule
Strait edge
Ring gauge
The minimum measurement that can be read with the help of a steel rule is
0.01 mm
0.02 mm
0.05 mm
0.50 mm
Which can be checked angle by try square-
30°
45°
60°
90°
Which can be checked angle by try square in a metric micrometer a complete evolution of thimble advances-
0.01 mm
0.25 mm
0.50 mm
1.00 mm
The least count of vernier level protector is-
1′
5′
10′
25′
The least count of metric micrometer is-
0.01 mm
0.05 mm
0.02 mm
0.5 mm
An outside micrometer has a negative error the correct reading can be taken by
Adding the negative error in the actual reading
Peducting the negative error from the actual reading
Adding the twice the negative error in the actual reading
Deducting twice the negative error from the actual reading
Which one of the following instruments is used to check the concentricity of the outside diameter.
vernier caliper
outside mircometer
Dial test Indicator
Dial caliper
The minimum measurement that can be correctly read with a vernier calpper is called-
zero reading
Least count
main scale reading
Actual reading minus zero error
The least count of vernier caliper is 0.02 mm. Metric outside micrometer has a threaded spindle with a pitch of
0.5 mm
0.25 mm
1.00 mm
1.50 mm
Zero error in micrometer means-
There is negligible gap between the spindle and the anvil
micrometer is true
zero mark on thimble is not visible
zero on thimble and datum line on sleeve do not coincide when measuring faces are in contact.
Lock nut in the micrometer is provided to –
Control the movement of the spindle
Lock the reading after setting it over the workpiece
measure the workpiece accuretely
Lock the micrometer when it is not in use.
Micrometer works on the principle of-
screw
stud
bolt
Nut and screw
Which one of the following instrument is used to measure accurately the angle of taper.
Bavel gauge
Bevel pro tractor
Vernier bevel protractor
Taper gauge
The least count of a vernier caliper is-
0.10 mm
0.01 mm
0.05 mm
0.02 mm
To convert the linear motion of the plunger of a dial test indicator the rotary motion of the pointer, which one of the following mechanism is used?
quick return mechanism
Rack and pinion mechanism
Screw thread mechanism
Hydraulic mechanism
Ratchet stop in the micrometer helps to-
Control the pressure
Lock the spindle
Adjust zero error
Hold the work piece
The least count of the vernier caliper is equal to-
value of 1 M.S.D- value of 1 V.S.D
value of 1 V.S.D – Value of 1 M.S.D
Value of 2 M.S.D – Value of 1 V.S.D
Value of 1 M.S.D – Value of 1 V.S.D
A micrometer has a negative error of 0.03 mm what is correct reading when the micrometer measures 40.53 mm?
40.50 mm
40.56 mm
40.46 mm
40.59 mm
Zero error of a 50-75 mm outside micrometer can be checked with
Dial test indicator
Vernier height gauge
Test piece
Feeler gauge
The value of the smallest division on sleeve of a metric outside micrometer is
0.50 mm
1.00 mm
1.50 mm
2.00 mm
The value of one division on level edge of the thimble of a metric outside micrometer is
0.10 mm
0.05 mm
0.02 mm
0.01 mm
If the zero graduation of the thimble division of an outside micrometer is below the datum line, when the measuring faces of the micrometer are in contact the error is
Negative
Zero
Positive
None
A depth micrometer can be used to measure wide range of sized because.
It is equipped with a number of extension rod
It has a lengthy spindle
It has a lengthy sleeve
It has in adjustable base
In which one of the following micrometers, the graduations on thimble and sleeve are in reverse direction to that of outside micrometer.
Inside micrometer
Depth micrometer
Tube micrometer
Flange micrometer
On which part of the vernier height gauge, are the main scale dimensions graduated?
Vernier plate
Beam
Fine adjusting unit
Base
The value of each vernier scale division of vernier level bevel protractor is-
1°
5°
1°- 55°
1°/2
The value of each main scale division of vermier bevel protractor is-
1°
5°
1° 55°
1°/2
The least count of universal bevel protractor
0.5′
5′
5″
5°
The least count of vernier depth gauge is-
0.10
0.01 mm
0.20 mm
0.02
Vernier depth gauge is used for measuring
external diamenstion
Internal diamenstion
step, depth of blind hole
pitch diameter
The least count of vernier height gauge is-
0.01 mm
0.02 mm
0.05 mm
0.10 mm
While laying out, the vernier height gauge should be used on the surface plate.
surface plate
vee block
machine bed
Any flat surface
While marking with a vernier height gauge the workpiece is generally
Supported by an angle plate
Supported by another workpiece
Held by one hand
Held without support
The smallest inside micrommeter has the graduation marked on the sleeve to a range of
10 mm
12 mm
13 mm
25 mm
To get least count of 5′ in a vernier bevel protractor the 23 degree main scale are divided into.
12 equal parts on vernier scale
22 equal parts on vernier scale
24 equal parts on vernier scale
25 equal parts on vernier scale
The angle which is less than 90° degree is called as-
Obtuse angle
Acute angle
Right angle
None of the above
The principle of universal bevel protractor is similar to that of-
Vernier bevel protractor
Depth micrometer
Dial test indicator
Fixed gauge
One pound is equal to-
0.354 kg
0.454 kg
0.554 kg
0.662 kg
One k.m. is equal to-
0.602 mil
0.622 mil
0.642 mil
0.662 mil
The prefix 106 means-
Kilo
Giga
Mega
Tera
The prefix 10-1means-
micro
mili
centi
deci
The chisel used for key way cutting is-
Flat chisel
Cross-cut chiesel
Round Nose chisel
Diamond point chisel
Chisel is shown in the figure.
Flat chisel
Half Round chisel
Diamond point chisel
Cape chisel
Name the chiesel used in the figure below-
flat chisel
half round chisel
diamond point chisel
cape chisel
Chisel is used for-
cutting of rivet head
Tightening nuts and bolts
light marking
removing small pins from holes.
Hacksaw blade two standard lengths….. and is available.
200 mm, 300 mm
250 mm, 300 mm
350 mm, 370 mm
100 mm, 150 mm
………… Hacksaw frame with more than one standard size blades are fitted-
Fixed
adjustable
tubular
deep cutting
Hacksaw blade ……. in cutting
Forward stroke
Angular stroke
back word stroke
None of these
Why does the hacksaw blade become loose again and again.
due to the drag of the blade
due to improper selection of blade pitch
due to wear of wing nut threads
due to non use of cootant.
The teeth of hack saw blade are curved
one side
both side
back side
forword
Hacksaw blade is made from –
High speed aluminium
Law speed carbon
High speed carbon
None of these
Hacksaw blade is measured-
from one end of the toothed part to the other
from the center of one pin hole to the center of another pin hole
from one end of the blade to the other end.
from the end of one pin hole to the end of the other pin hole
A new hacksaw blade should not be used in a blade socket made by the old method because.
There is not enough space for the blade to move
The blade is expensive
The teeth of the new blade are sharp
None of the above
Which of the following is not a part of hacksaw
Pin
Spacer
Blade
Wing nut
Hacksaw blade for cutting solid brass suitable …pitch.
0.8 mm
1.0 mm
1.4 mm
1.8 mm
The hacksaw blade has a coarse tooth pitch-
0.5 mm
0.8 mm
1.8 mm
1.0 mm
Hand hacksaw with blade is used for cutting different section of metal. In which type of Frame is the standard length blade used.
In plane type adjustable frame
In tubular type adjustable frame
In solid Frame
In flexible frame
Identify the hack-saw Frame shown in the figure-
Adjustable hack saw Frame
Deep cutting hack saw
Fixed hack saw Frame
None of these
Name the part marked as X in the figure ‘X’
Frame
Handil
Adjustable blade holder
Fixed blade hold
Which type of File is shown in the following picture
Crass file
Draw file
Straight file
Curved file
Which one of the following file is used for soft light and small works?
Piller file
Niddle file
Triangular file
Spherical file
A bastard in the file……..
8 Teeth/cm
10 Teeth/cm
9 Teeth/cm
12 Teeth/cm
Which type of filing is shown in the picture
Cross
Straight filing
Draw filing
Curve filing
The part ‘A’ of the file- ‘A’
Shant
Shoulder
Tang
Torque
Hand files are made from-
low carbon steel
medium carbon steel
high carbon steel
high chromium steel
There are mainly four types of cuts in file of these he which one is not a cut?
Single cut
Double cut
Curved cut
straight cut
What angle are the teeth cut on the face of single cut file?
At 45° to the center line of the file
At an angle of 60° the center line of the file
At 75° to the center line of the file
At an angle of 80° to the center line of the file.
File card is used
to clean the workpiece
to clean the teeth of file
to bring file’s teeth into perfect condition
to clean the chips
Any rough files is used
on irregular shaped jobs
for rapid grinding of metal
on wood
if smooth file is not available.
You have to cut on aluminium block to a smooth finish which of the following file is most suitable?
Single cut
Rasp cut
Double cut
Circular cut
Which of the following file is used for filing the grooves.
Pillar file
Warding file
Mill file
Flat file
Which of the following material rasp eut file can be cut by?
steel
wood
cast iron
Bronze
Double cut file is used for filing on is used for-
wood
high board
leather
steel
Tang and body separating file curve part is called?
Ferrule
Heel
Shoulder
Edge
Which part of the file is hard and tampered
handle
Tang
Ferrule
body
For trimming rough edge of soft metal castings file is used-
Second cut file
Dead smooth file
Bastard file
Rough file
Identify the type of file shown in the picture
Flat file
Half Rounder file
Round file
Rasp cut file
Which one of the following file is used for metal filing in large quantities.
Double cut file
Dead smooth file
Bastard file
Single cut file
Shown in the picture is the hand tool?
File
Punch
Try square
Divider
Which of the following is not the type of file according to its grades.
Rough
Bastard
Dead smooth
Double cut
The length of the blade of a tenon saw is generally-
30 cm
25 cm
35 cm
40 cm
Keyhole saw is used for-
a.For straight line cutting
b.For curve line cutting
c.to cut out the shape
d.both b and c
What is used to give the required rectangular shape to the round holes made by the drill machine?
saw
key-hole saw
Tenon saw
None of these
Which types of instrument is a rule-
For measuring
For weighting
to measure time
for measure time
Steel rules are made of-
Stainless steel
cast steel
mild steel
high speed steel
In which position should be steel rule measurement be taken to avoid parallel error.
vertical position
horizontal position
flat position
none of these
We can take small measurement on a steel rule.
0.2 mm
0.4 mm
0.5 mm
1.0 mm
Match List I and list II.
A. Folding rule – 1. In long distance measurement
B. Steel rule – 4. High carbon steel
C. Steel tape – 2.1 mor 2 m length measurement
D. Try square – 3. In angle measurement
Job is tested by try square-
right angle
obtuse
acute angle
none of these
The size of the tri-square is taken-
The length of the stock
The length of the stock
Length and width of the blade
None of the above
Under the blade on the stock in try square an under is cut, the purpose of which
checking the size of the try-square
to enhance its beauty
positioning of burr on the edges of the job by machining
none of the above
The correct statement regarding try square is–
with the help of this test the right angle
it is used while marking the job parallel and vertically.
its size is expressed by the length of the blade
all of the above.
Which metal leaf is applied on the inner surface of the stock to protect the wooden from wearing?
Brass
Steel
Aluminium
Iron
Which of the following not a marking tool?
Scribrer
snip
punch
divider
Which tool is used to make marks on a printed circuit board before punching?
Divider
Scriber
Punch
None of these
Which of the following is the work of permanent marking done?
Scriber
divider
marking plate
Punch
For light punch marks with 30° of prick punch are used, while for proof marks .. use the containing prick punch.
60°
90°
120°
75°
Point angle of centre punch is –
30°
45°
60°
90°
The part of the drill bit, which is hold by the drilling machine it is run by ……. is called.
shank
pin
handle
face
Hand drill is used in petroleum refinery and explosion making factory
Breast hand drill
Pneumatic hand drill
electric hand drill
Ratchet base drill
Do not attempt to drill notes in object made with an electric drill machine.
Tool steel
wood
plastic
all of these
Which type of drills are most commonly used in drilling machine?
Straight fluted drill
Flat drill
Twist drill
Central drill
Drilling machine in generally how many fluet in drill?
4
3
2
1
Which of the following is an example of a portable drilling machine
electric drilling machine
ratchet brace machine
hand drilling machine
All of these
Drill chucks are fitted on the drilling machine spindle which is used to……..
Toothed ring
Drift
Arbor
Pinion key
Pillar drilling machine is shown in the figure, denoted by ‘X’ name a marked part.
fid handle
drill chuck
work table
base
———–A type of pneumatic drilling machine
Sensitive drilling
portable drilling machine
Radial drilling machine
Group drilling machine
Idea in term of sensitive drilling machine
Statement :I:- The drilling machine is used to make precise holes in the equipment.
Statement :II:- The capacity of this drilling machine diameter up to 20 mm
I only
II only
both (a) and (b)
none of these
Which device is used to clamp the round work piece while drilling the work on a drilling machine.
V-block and clamp, bolts and packing pieces.
Machine block, bolts and packing pieces
hand block clamp and bolt
pin block, clamp and bolt
Which is used to raise the pillar drilling machine table.
Rack and pinion
beel gear
spur gear
Maunter gear
Match list I and List II
A. Portable drilling machine – For heavy equipment
B. Sensitive drilling machine – For light works
C. Pillar drilling machine – Automatic feed
In radial drilling machine small notes are available in the table.
Circular
Triangle
Horizontal
Vertical
The name of the part ‘X’ machine shown in the figure is.
Radial arm
spindle head
base
Feed handle
Which drilling machine is best suited for drilling multiple holes at different marks without disturbing the job setting.
Bach drilling machine
pillar drilling machine
Radial drilling machine
Electrical hand drilling machine
Radial drilling machine denoted by the letter ‘X’ is the name of
Piller
Column
Spindle head
Radial arm
Which process before taping of gang drilling machine is done
a.Reaming
b.drilling
c.both (a) and (b)
d.boring
What is a special feature of radial drilling machine?
It can be used for drilling with high speed steel drill?
It table can be moved in any direction and remains stable can do
Its spindle can be brought to any position
None of the above
Two to one row are fitted spindle head in gang drilling machine
Four
Six
Eight
ten
A drift is used for-
Removal the drill from the machine spindle
Removal a broken drill from work
To fix chuck on the machine spindle
drawing a drill location
While grinding it should be ensured that the direction of grinding is an per the marking of the machine. If the rotation direction of grinding machine is opposite, Then,
grinding process will not be possible
there will be excessive sparking during grinding
grinding wheel will get damaged
none of the above
For abnormal being of grinding wheel.
Run the job on fall face
turn the job on the grinding wheel
Towing and dressing of grinding wheels as required do.
use coolant
The process of removing metal from the surface of workpiece in machine operation in the from of very fine particles by an abrasive to wheel rotating at a high speed is called.
Honing
Drilling
Grinding
Welding
Which type of grinder is shown in the figure below?
stand grinder
bench grinder
portable grinder
swing-frame grinder
Which of the following is the main purpose of the grinding process.
shaping of cutting tool
sharpening of cutting tools
removal of metal in the form of fine particles from unhardened.
all of the above
After putting a thread in the hole with a tap it is found. The creast of the is not complete.
The supply of cooling is not complete
The tip of the cutting edge of the tap is broken
The size of the holeis less then the size of the drill
The size of the hole is larger than the size of the to drill.
Another name for finishing tap is-
Intermediate tap
Tapper tap
Bread forming tap
Bottoming tap
After drilling a hole with a tap it is found that the head of the hole is not fully formed, this defect is caused by?
Hole size slightly larger than the tap drill.
Insufficient supply of cooling
Cutting edge of the tape is broken
Hole size slightly smaller then the tap drill
Which is the correct tap drill for tapping an M16 tap?
14 mm
14.16 mm
15.03 mm
15.08 mm
The depth rod of vernier calliper———– attached.
Fix jaw
Movable jaw
vernier scale
fine setting screw
What is the type of gauge shown in the figure marked ‘X’?
Internal measurement
External measurement
Measurement of depth
Measure of length
Name the part marked ‘X’ in the given figure
fix Jawab
movable Jaw
vernier scale
plug qauge
Which of the following instrument provide actual dimension directly?
inside caliper
outside caliper
vernier caliper
plug gauge
Indentify the vernier caliper shown in the
Digital vernier caliper
Dial vernier caliper
Knife edge vernier caliper
Depth gauge vernier caliper
How many micron is the least count of the micrometer?
1
10
100
None of these
What is the maximum distance that can be measured by outside micrometer?
100 mm
50 mm
25 mm
None of these
The value of a thimble scale in a metric micrometer.
1 mm
0.02 mm
0.4 mm
0.01 mm
(0-25 mm) zero checking of micrometer is done on-
Test piece
setting ringaina
surface plate
straight edge
The part of a vernier bevel protractor, which is generally it is used as a base while measuring angles?
Blade
Stock
Disk
Main scale
How many vernier parts can one division of an vernier bevel protractor be divided.
25
20
12
10
Name the part marked ‘X’ in the figure
Spindle
Anvil
Thimble
Barrel/sleeve
Hacksaw blades are designated according to their:
Length
Type
Pitch
All of the above
Which gauge should be used to measure fine vacuum?
Compound gauge
Thermocouple vacuum gauge
Barometer
Manometer
…………….. is device used for lifting things that are too hot to handle.
Floor protector
Burr remover
Fire extinguisher
Tong
Pressure difference of air can be measured with ……………..
Thermocouple
Anemometer
Humidistat
Manometer
What is the action being performed in the figure given below?
