FILLING BLANKS-REFRIGERATION COMPONENTS

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 FILLING BLANKS REFRIGERATION

COMPONENTS

Fill in the blanks increases deep understanding as well as knowledge. Especially fill in the blanks in University Question Papers is of utmost importance. 

  1. Oil separator

 Oil separator is always placed in the ————-line.

  1. Crank case

A crank case heater is connected in such a way so that it is ———–when the compressor is off.

  1. Compressor

The compressor is called the ————- of the refrigeration unit.

  1. Anemometer

Anemometer is used to measure the ————–.

  1. Dehydrator

Dehydrator is used to remove —————-from the refrigeration system.

  1. Refrigerant Leakage

———–to detect the leakage of Freon refrigerants.

  1. Thermo-couple

Thermo-couple is used to measure —————–.

  1. Ton of refrigeration

One ton of refrigeration is equal to ————–kJ/hour.

  1. Heat rejected in condenser

In a refrigeration system, heat rejected in the condenser is equal to the sum of —————- and———-.

  1. Sensible heat

Temperature difference senses—————-heat.

  1. Refrigerant

Chemical name of R-134a is ————————————.

  1. Horse power

One Horse power in S.I. units is equal to —————Watts.

  1. Running capacitor

Running capacitor is used to improve —————–.

  1. Condenser

Due to poor cooling in the condenser,——————-increases.

  1. Cooling capacity

Cooling capacity decreases with the decrease of————–pressure. Tons of refrigeration decreases with the increase of —————pressure.

  1. COP

COP increases with the increase of ———————pressure.

  1. Solenoid valve

Solenoid valve is fitted in the —————–line.

  1. Sight glass

Bubbles in the sight glass indicates————–of refrigerant in the refrigeration circuit.

The compressor never stops when there is —————of refrigerant.

    1. Ice

Ice is —————- than water.

  1. Saturated air

In the saturated air, dry bulb temperature, wet bulb temperature and ————-temperature are same.

  1. Boiling point

The normal boiling point of ammonia is ———————. Water is used as a refrigerant ————— ——-refrigeration.

  1. Specific heat

The highest specific heat is for —————.

  1. Entropy

—————-is constant in a reversible adiabatic process.

  1. Refrigerator capacity

The capacity of a refrigerator is expressed in —————–.

  1. Water cooler capacity

The capacity of a water cooler is expressed in —————–. The air conditioner capacity is expressed in —————–.

  1. Air refrigerant

Air is used as a refrigerant in the ————————-air conditioning.

  1. Vapor absorption system

There is no ———–part in a vapor absorption system. The gases charged in an absorption system are ————– and ———-. The pressure in the various parts of an absorption system is ——————.

  1. Piping

The material of piping in vapor absorption is—————–.The material of pipe with R-134a is ———————. Liquid refrigerant —————-in the evaporator.

    1. Receiver

Receiver is fitted after the —————-unit.

  1. Accumulator

 Accumulator is fitted between ————– and ————–. An accumulator separates ————-and ————.

  1. Muffler

The function of the muffler in a refrigeration system is to reduce ———-. Cooling in the evaporator is due to ———-heat transfer.

  1. Expansion process

The expansion process is at —————– enthalpy. The expansion process changes high pressure high temperature liquid into low pressure ——- and ——– . The expansion valve in small refrigeration unit is a ————————.

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