Q. Planck's law holds good for all coloured bodies.

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Q. In mechanical refrigeration system, the refrigerant has the maximum temperature

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Q. The capacity of a domestic refrigerator is in the range of

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Q. The condition of refrigerant after passing through the condenser in a vapour compression system is

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Q. The leakage in a refrigeration system using freon is detected by

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Q. The product of Reynolds number and Prandtl number is known as

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Q. Carbon dioxide is

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Q. The reduced ambient air cooling system has

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Q. The heat of sun reaches to us according to

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Q. The specific humidity during humidification process

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Q. A condenser of refrigeration system rejects heat at the rate of 120 kW, while its compressor consumes a power of 30 kW. The coefficient of performance of the system will be

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Q. A refrigerant with the highest critical pressure is

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Q. In a shell and tube heat exchanger, baffles are provided on the shell side to

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Q. The average value of thermal conductivity for water at 20° C saturate is about 0.51.

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Q. In aqua-ammonia absorption refrigeration system, incomplete rectification leads to accumulation of water in

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Q. The central air conditioning system has __________ overall efficiency as compared to individual systems.

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Q. The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as

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Q. An ordinary passenger aircraft requires a cooling system of capacity.

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Q. In air-conditioning of aeroplanes, using air as a refrigerant, the cycle used is

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Q. The thermal diffusivity for solids is generally less than those for liquids and gases.

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