“Dry ice” is________________?
“Dry ice” is________________?
A. Moisture free ice
B. Solid helium
C. Solid carbon dioxide
D. None of these
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On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?
On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will____________________?A. Increase
B. Decrease
C. Remain same
D. Increase in summer and will decrease in winterWork done may be calculated by the expression ∫ p dA for _____________ processes ?
Work done may be calculated by the expression ∫ p dA for _____________ processes ?A. Non-flow reversible
B. Adiabatic
C. Both A. and B
D. Neither A. nor BA liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?
A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?A. Sub-cooled
B. Saturated
C. Non-solidifiable
D. None of theseWhich of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ?
Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ?A. Expansion valve
B. Condenser
C. Refrigerator
D. CompressorA gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be _____________ c.c?
A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be _____________ c.c?A. 2.73
B. 28.3
C. 273
D. 283Specific heat of a gas for a reversible adiabatic process is________________?
Specific heat of a gas for a reversible adiabatic process is________________?A. Negative
B. Zero
C. Infinity
D. None of these