DIRECT EXPANSION AIR CONDITIONING - Quiz

1) Which tool is used for descaling the condenser tubes in shell and tube condenser?

Steel brush Brass brush Sponge brush Teflon fibre brush

2) What is the expansion of PMV used in VRV system?

Prime Mover Valve Pass Modulate Valve Phase Modulate Valve Pulse Modulating Valve

3) Which electronic component senses the temperature in indoor unit of VRV system?

Resistor Thyristor Transistor Thermistor

4) Which type of AC system is operated by VRV system?

Package AC Central plant AC Multizone split ACs Indirect ACs

5) Which set of components are used in FCU?

Air filter, blower, condenser Compressor, fan, condenser Air filter, cooling coil, blower motor Cooling coil, condenser, fan motor