Refrigeration and Air Conditioning Objective Questions and Answers

99. The most suitable refrigerant for a commercial ice plant is

100. Leaks in brine system can be detected by

101. Big refrigeration plants (of capacity of the order of 1000 tons) usually employ following type of refrigeration plant

102. For ammonia system, the pipe should be of following material

103. In an atmospheric cooling tower, the temperature of the circulating water can be reduced to

104. If ice in a plant is made at ? 6?C and if temperature difference between ice and refrigerant is 5?C, then refrigerant temperature is

105. The refrigerant is never filled to more than 80% of the rated capacity while refilling the refrigerant cylinder because

Mechanical Engineering Objective Questions { Refrigeration and Air Conditioning }