Refrigeration and Air Conditioning Absorption system normally uses the following refrigerant Ammonia Freon-11 CO2 Freon-22 Ammonia Freon-11 CO2 Freon-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The vapour pressure of refrigerant should be Higher than atmospheric pressure Equal to atmospheric pressure Lower than atmospheric pressure Could be anything Higher than atmospheric pressure Equal to atmospheric pressure Lower than atmospheric pressure Could be anything ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow. Less than None of these Greater than Equal to Less than None of these Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Which of the following statement is correct for ammonia as a refrigerant? It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. All of these It is toxic to mucous membranes. It reacts with copper and its alloys. It requires large displacement per TR compared to fluoro carbons. All of these It is toxic to mucous membranes. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The advantage of dry compression is that It results in high volumetric and mechanical efficiency All of these It permits higher speeds to be used It permits complete evaporation in the evaporator It results in high volumetric and mechanical efficiency All of these It permits higher speeds to be used It permits complete evaporation in the evaporator ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In vapour compression cycle, the condition of refrigerant is high pressure saturated liquid After passing through the condenser Before passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve After passing through the condenser Before passing through the condenser Before entering the expansion valve After passing through the expansion or throttle valve ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS