The water, alcohol and ammonia have same refrigerating effect at different altitudes.

More Questions from Heat Transfer, Refrigeration and Air Conditioning

• The wet bulb temperature at 100% relative humidity is __________ dew point temperature.
• Thermal diffusivity of a substance is given by (where h = Thermal diffusivity, ρ = Density of substance, S = Specific heat, and k = Thermal conductivity)
• The counter-current flow heat exchanger can transfer __________ heat than parallel flow heat exchanger.
• The natural convection air cooled condensers are used in
• The conditioned air supplied to the room must have the capacity to take up
• A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be
• Which of the following would lead to a reduction in thermal resistance?
• The process, generally used in winter air-conditioning to warm and humidity the air, is called
• Which of the following refrigerant has the highest freezing point.
• In mechanical refrigeration system, the refrigerant occurs as liquid between condenser and expansion valve.

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