Related Questions

If a truck can carry 10 to 16 boxed refrigerators, then what is the least number of refrigerators that 4 trucks can carry?
A 40
B 52
C 48
D 64
The evaporator used in household refrigerators is
A Frosting evaporator
B Non-frosting evaporator
C Defrosting evaporator
D None of these
A survey of City A found an average of 3.2 people per household and an average of 1.2 DVD players per household . If 48,000 people live in City A, how many DVD players are there in City A?
A 15,000
B 16,000
C 18,000
D 40,000
Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors?
A Low cost
B Wide speed range
C Stability
D High starting torque
The commonly used coolant in refrigerators is
A Ammonia
B Nitrogen
C Freon
D Oxygen
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and
A Carbon dioxide
B Sulphur dioxide
C Lithium bromide
D R-12
Refrigerants commonly used for domestic refrigerators are
A Ethyl chloride or methyle chloride
B Freon-12
C Propane
D NH3 or CO2
Most of the domestic refrigerators work on the following refrigeration system
A Vapour compression
B Vapour absorption
C Carnot cycle
D Electrolux refrigerator
Refrigerators keep food unspoiled because ---
A at its low temperature, bacteria and moulds are inactive
B at its low temperature, the germs are killed
C at its low temperature, the germs are frozen
D it sterilizes the food
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be
A High, of the order of 25°
B As low as possible (3 to 11°C)
C Zero
D Any value

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