The minimum capacity (water) of recovery cylinder is ………………
10.9 kg
11.9 kg
12.9 kg
None of these
Fuel, heat and ……….. must be present in combination for the fire to continue to burn.
Hydrogen
Oxygen
Water
Nitrogen
Dry powder extinguishers are used on ……… type of fire.
Class A
Class B
Class C
Class D
……….. extinguishers may be filled with carbon-tetrachloride and bromochlorodifluoro-methane (BCF).
Halon
Foam
Water
CO2
Which tube is kept in the first aid box for healing injury?
Soframycin
Boroline
Betadine
Penicillin
Which of the following is artificial respiration method?
Schafers method
Sylvester method
Labored method
All of these
First aid includes-
dettol
cotton
safety pin
all of these
Which of the following is not a personal safety equipment for legs?
Barrier
Asbestos safety boot
Anti-static footwear
Bump camp
The shape of warning signs is-
Circular
Square
Triangular
None of these
The shape of prohibitive signs is-
Circular
Square
Triangular
None of these
The shape of mandatory signs is-
Circular
Square
Triangular
None of these
The background colour of the informative signs is
White
Green
Red
Yellow
The background colour of warning signs is-
White
Green
Red
Yellow
The function of compound gauge is-
a.to measure the pressure
b.to measure the vacuum
c.to measure the temperature
d.both (a) and (b)
What will be the effect of providing higher capacity OLP?
Current drawn will be high
Motor winding will not be protected from damage
Compressor will be cooled
There will be unnecessary tripping
If a worker has suffered from electric shock, he should be…….
Given an alcoholic drink
Given a cold drink
Made a walk
Kept warm and covered
Which one of the following is not the cost due to an accident?
Cost due to damage to machines, tools, material and property
Cost of lost time of the injured person
Cost of compensation and medical aid
Cost due to increase in production
How long a rescue breath needs to be?
Delivered over 2 seconds
Delivered over 1 seconds
Long enough to make the chest rise
A small puff of air
There is an accident-
Unplanned event
Uncontrollable event
Undesirable event
All of the above
Which of the following is not an expense incurred due to an accident?
Expenses due to wear and tear of machinery, tools, materialse and property
Loss of time of the injured person
The cost of compensation and medical
Expenses due to increase in production
There is a safe way of doing things-
An effective and correct way of doing
An old method of doing
Quick method of working
Normal way of working
The best way to avoid accident is-
To work in the old method
To act in one’s own method
Related to job, machine and place of work
Use of safety equipment
In case of an accident, the victim should-
Be asked to rest
Inquiry about the accident
Provide first aid immediately
Should be left on its own without treatment
What should be used to clean an oily floor?
Cotton waste
Adding water
By adding saw dust
By spraying CO2 or sand
Fire is a mixture of-m
Fuel, light and oxygen
Fuel, heat and oxygen
Fuel, heat and CO2
Fuel, light and N2
How long should the relief breath last?
Should be given for 2 seconds
Should be given for 1 second
Should be given till the chest rises
A small puff of air should be given
What should never be put on a burn?
Aloevera
Water
Coacoa butter
Dry sterile dressing
Shown figure of tool which given below is?
Flaring tool
Tube cutter
Swaging tool
Pitching tool
Which of the following causes food at room temperature get spoiled?
Spices
Due to micro-organism
Due to air contact
None of these
Which of the following is accomplished in the process of refrigeration is done?
a.The temperature can be increase or decrease
b.The temperature can be controlled
c.Both (a) and (b)
d.None of the above
For safety purpose where is the approximate place to store food items?
In cold environment
In normal environment
In hot environment
None of the above
Which of the following can be done by the process of refrigeration?
Control of cooling temperature
Reduce the temperature
Increase the temperature
All of these
How can a technician in the RAC trade remain accident free and happy throughout life?
a.By adopting safety rules
b.By making use of safety tools a habit
c.Both (a) and (b)
d.None of the above
Cooling of an internal environment means-
lowering the temperature of that region
raising the temperature of that region
neglecting the temperature of that region
None of these
If a fire on electric wires is to be extinguished, then-
What should be poured it
pouring sand or soil
CTC fire extinguisher
None of the above
What can be the result of a machine in the absence of complete information?
Refinement
Accident
Don’t know
None of these
Which of the following events is not an accident?
Leaving the hammer from the hand and hitting the person standing in front.
Injuries to fingers due to sudden break of hacksaw blades
Cutting off your finger to earn money from insurance company
Fracture of arm due to slipping on oil on the floor
Which of the following is not the cause of the accident?
lack of interest in work
over active
over eager
undisciplined
Which of the following equipment is not the cause of accident?
Mushroom head chisel
Wide mouth spanner
Worn vernier calipers
Blend of tight saws
The main cause of industrial accident is-
Carelessness
Unsafe hand tools
Unprotected layout
All of these
What comes under unsafe clothing in the workshop?
Loose cloths
Tie
Muffler
All of these
The best way to avoid accident is-
Wearing safety equipment
Precaution related to job machine and work area obey
Doing things in his own way
By working like a skilled worker
Technical students must be practice during their studies-
Protective measures
Hand tools
To work on machines
All of these
To extinguish fire in electrical workshops-
Fire extinguishers should be available
Buckets filled with sand should be available
There should be an over tank filled with water for the provision of water
All the above three items should be available
Which liquid, air pressure in CTC fire extinguisher is filled with?
Carbon tetrachloride (CCl4)
Carbon dioxide (CO2)
Bromochloro-di-fluoro methane (CBrCIF₂)
None of these
To extinguish a fire caused by petrol is used for-
Foam type fire extinguishers
Sand bucket
Bucket of water
Dry powder fire extinguishers
Which is generally used to extinguished the fire caused by electricity?
Of water
Oil
RRB
None of these
Which of the following fire extinguishers can be used to extinguish all types of fires?
CTC fire extinguisher
CO2 fire extinguisher
Dry powder fire extinguisher
All of these
Consider the following statements-
Statement I: Carbon dioxide gas helps in combustion it occurs.
Statement II: Oxygen gas does not help in burning. Which of the above statement is/are correct?
Statement I is correct
Statement II is correct
Both statements I and II are correct
Both statements I and II are incorrect
In which of the following, cold water shower is used for extinguish the fire?
Kerosene oil
Paper
LPG gas
Electric wire
The simplest method of artificial respiration is
Sylvester method
Shaffer’s method
Mouth to mouth respiration
None of these
First aid box should be keep well prepared and
On important place
In the field of machining
On place of easy accessible
In right position
If a patient does not respond will to mouth to mouth resuscitation, a first aid should-
