9.RRB ALP CBT2 RAC Question bank

RAC

For large capacity refrigeration plants more than 100 TR, the reciprocating compressor are not suitable because of:

• High pressure
• High volume flow rate
• Both (a) and (b)
• None of these

Pressure relief valves are mounted on ———  in a water cooled condenser system,

• Compressor
• Receiver
• Condenser
• None of these

A low side float valve maintains the level of refrigerant in:

• Condenser
• Evaporator
• Flooded evaporator
• None of these

In an air cooled condenser, the condensing temperature is maintained within desired limits by

• Varying the air quantity through the condenser
• Varying the temperature of the surrounding air
• Varying both quantity and temperature of surrounding air
• None of these