CHILLER SYSTEM - Quiz

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

3 K Cal/hr 4 K Cal/hr 5 K Cal/hr 6 K Cal/hr

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

Start the loads non sequentially Start the loads when not needed Stop the loads when not required Start and stop the loads sequentially

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

Liquid line temperature Pressure drop in discharge line Condenser inlet water temperature Condenser outlet water temperature

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

Faster heat transfer Quick dehumidification No eliminators are required Can be used in small systems

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

Heating control is easy High cost of maintenance Control valves are eliminated Cooling coil can be eliminated