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The chiller dehydrator removes which of the following from refrigerant:
water and noncondensable gases
Cooling of air without any condensation of moisture is purely sensible cooling
True
In which of the following system there is no reduction in the power consumption by the fan even though the load on the system has come down:
Constant air volume system
The condensing unit must be located at the lower level than expansion coil in an air conditioning system to avoid pressure drop in the refrigerant
False
The airflow ________ with the increase in outlet air velocity and its height from the floor level:
Increase
If the surrounding temperature rises by 10F , the skin temperature rises by:
3%
Evaporative cooling is the process by which air is subjected to a spray of recirculated water:
The purpose of reheat coils in the air conditioning system is to _____ the relative humidity in the room when the sensible load comes down:
decrease
The load on the condenser will decrease with increase in the compression ratio:
Forced-draft towers have ____ air-entrance velocities and ____ exit velocities.
high, low
Comfort conditions are attained by merely controlling the temperature.
Backward curved blade fans are used for ______ capacities and static pressure requirements:
Higher
Ducturns reduce the pressure loss in square elbows to as much as ______:
80%
Frictional loss is independent to the air velocity in the duct:
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