CHILLER SYSTEM

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Refrigeration and Air Conditioning Technician
CHILLER SYSTEM
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Q9823

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How much heat is released from 2 HP motor if 746 W motor releases 3 K Cal/hr?

A 3 K Cal/hr

B 4 K Cal/hr

C 5 K Cal/hr

D 6 K Cal/hr

Q9824

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What is the advantage of electrically interlocked circuit for motors and pumps in a chiller plant?

A Start the loads non sequentially

B Start the loads when not needed

C Stop the loads when not required

D Start and stop the loads sequentially

Q9825

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Which parameter indicates that the central AC system has non condensable gas?

A Liquid line temperature

B Pressure drop in discharge line

C Condenser inlet water temperature

D Condenser outlet water temperature

Q9826

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What is the advantage of air washer compared to cooling coil of AHU?

A Faster heat transfer

B Quick dehumidification

C No eliminators are required

D Can be used in small systems

Q9827

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What is the advantage of variable speed pumping load control in chiller AC plant?

A Heating control is easy

B High cost of maintenance

C Control valves are eliminated

D Cooling coil can be eliminated

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