Compressor Quiz

Compressor classified into two (2) types according to

• working principle and hazardous area

• Construction and basic operation

• Construction and working principle

• Hazardous area and cost

This type of compressor is not serviceable, and Its enclosure is sealed.

• Centrifugal compressor

• Scroll Copeland compressor

• Screw compressor

• Bock compressor

The method compression for compressor hermetic, semi-hermetic and open type is

• Reciprocating

• Rotary

• Screw

• Centrifugal

What is the advantages of semi-hermetic compressor

• Low price

• Easy to maintain

• More protection relay

• Quieter and less vibration

Screw type compressor are of the ……. type

• Reciprocating

• Centrifugal

• Scroll

• Rotary

Compression part & its driving motor are constructing or mounted in separate unit

• Scroll compressor

• Semi - hermetic

• Open drive compressor

• Hermetic compressor

Centrifugal compressor used …….to control the speed /capacity of the compressor

• Thermostat

• Guide vanes

• Blade

• Motor

Advantages of screw type compressor

• Less cost

• Contributing to the system longevity

• Low maintenance

• Easy to do maintenance

Which type compressor is best for cost effective..

• Screw

• Centrifugal

• Reciprocating

• Turbo Compressor

What is the main problems in the use of centrifugal compressor?

• High Ampere

• Low Discharge

• Back Flow

• Constant flow