REFRIGERATION OBJECTIVE QUESTIONS

REFRIGERATION OBJECTIVE QUESTIONS



1. ONE TON OF REFRIGERATION EQUALS TO

A. 2.5 KW

B. 1.5 KW

C. 3.5 KW

D. 4.5 KW



2. VAPOUR COMPRESSION  CYCLE IS SOMEWHAT LIKE

A. CARNOT CYCLE

B. RANKINE CYCLE

C. REVERSED CARNOT CYCLE

D. REVERSED RANKINE CYCLE



3. WHICH OF THE FOLLOWING USES AIR AS REFRIGERANT

A. ERICSSON

B. STIRLING

C. CARNOT

D. BELL COLEMAN



4. AMMONIA ABSORBPTION REFRIGERATION CYCLE REQUIRES

A. VERY LITTLE WORK INPUT

B. MAXIMUM WORK INPUT

C. ZERO WORK INPUT

D. NEARLY SAME AS IN VAPOUR COMPRESSION  CYCLE



5. IN VAPOUR REFRIGERATION CYCLE THE CONDITION OF THE REFRIGERANT IS SATURATED LIQUID

A. AFTER PASSSING THROUGH THE CONDENSER

B. AFTER PASSING THROUGH EVAPORATOR

C. AFTER PASSING THROUGH EXPANSION THROTTLING VALVE

D. BEFORE ENTERING EXPANSION VALVE



6. IN VAPOUR COMPRESSION CYCLE THE CONDITION OF THE REFRIGERANT IS VERY WET VAPOUR

A. AFTER PASSING THROUGH COMPRESSOR

B. AFTER PASSING THROUGH EXPANSION THROTTLING VALVE

C. AFTER PASSING THROUGH CONDENSER

D. BEFORE ENTERING COMPRESSOR



7. THE BOILING POINT OF AMMONIA IS

A. -1000 C

B. -500 C

C. -33.30 C

D. 00 C



8. THE VAPOUR COMPRESSION REFRIGERATOR EMPLOYS THE FOLLOWING CYCLE

A. RANKINE

B. CARNOT

C. BRAYTON

D. REVERSED CARNOT



9. THE MOISTURE OF A REFRIGERANT IS REMOVED BY

A. EVAPORATOR

B. DEHIMIDIFIER

C. EXPANSION SAFETY VALVE

D. DRIERS



10. THE REFRIGERANT FOR A REFRIGERATOR SHOULD HAVE

A. HIGH SENSIBLE HEAT

B. HIGH LATENT HEAT

C. HIGH TOTAL HEAT

D. LOW SENSIBLE HEAT