Mechanical Engineering MCQs

2075 MCQs  (Page 54 of 208)

Attempt Mechanical Engineering Mcqs Quiz
Domestic refrigerator working on vapour compression cycle uses the following type of expansion device____________________?
A. Electrically operated throttling valve
B. Manually operated valve
C. Thermostatic valve
D. Capillary tube
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The domestic refrigerator uses following type of compressor ____________________?
A. Centrifugal
B. Axial
C. Miniature sealed unit
D. Piston type reciprocating
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The refrigerant for a refrigerator should have ___________________?
A. High sensible heat
B. High total heat
C. High latent heat
D. Low latent heat
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Rating of a domestic refrigerator is of the order of__________________?
A. 0.1 ton
B. 5 tons
C. 10 tons
D. 40 tons
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Refrigeration in aeroplanes usually employs the following refrigerant___________________?
A. Co2
B. Freon-11
C. Freon-22
D. Air
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Air refrigeration operates on_____________________?
A. carnot cycle
B. reversed carnot cycle
C. rankine cycle
D. erricson cycle
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For better COP of refrigerator, the pressure range corresponding to temperature in evaporator and condenser must be____________________?
A. Small
B. High
C. Euqal
D. Anything
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Air refrigeration cycle is used in ____________________?
A. Domestic refrigerators
B. Commercial refrigerators
C. Air conditioning
D. Gas liquefaction
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The bank of tubes at the back of domestic refrigerator are _________________?
A. Condenser tubes
B. Evaporator tubes
C. Refrigerant cooling tubes
D. Capillary tubes
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The higher temperature in vapour compression cycle occurs at____________________?
A. receiver
B. expansion valve
C. evaporator
D. condenser discharge
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Word of the Day
28 Sep
Expatriate
a person who lives outside their native country.
ملک بدری، جلا وطن کرن، شہر بدر کرنا

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