Refrigeration and Air Conditioning Freon group of refrigerants are Nontoxic and non-inflammable Non-inflammable and toxic Toxic Inflammable Nontoxic and non-inflammable Non-inflammable and toxic Toxic Inflammable ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The leaks in a refrigeration system using Freon are detected by Using reagents Smelling Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting Using reagents Smelling Sulphur sticks which on detection gives white smoke Halide torch which on detection produces greenish flame lighting ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The bypass factor of a cooling coil decreases with Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows Decrease in fin spacing and decrease in number of rows Increase in fin spacing and increase in number of rows Increase in fin spacing and decrease in number of rows Decrease in fin spacing and increase in number of rows ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The operating temperature of a cold storage is -2°C. The heat leakage from the surrounding is 30 kW for the ambient temperature of 40°C. The actual C.O.P. of refrigeration plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is 3.72 kW 1.86 kW 18.6 kW 7.44 kW 3.72 kW 1.86 kW 18.6 kW 7.44 kW ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The domestic refrigerator uses following type of compressor Centrifugal Axial Piston type reciprocating Miniature sealed unit Centrifugal Axial Piston type reciprocating Miniature sealed unit ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The change in evaporator temperature in a refrigeration cycle, as compared to change in condenser temperature, influences the value of C.O.P. Equally More Less Unpredictable Equally More Less Unpredictable ANSWER DOWNLOAD EXAMIANS APP
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