A. From an air conditioned room maintained at 20°c
B. From outside atmosphere at 1°c
C. From coal yard side
D. From a side where cooling tower is located nearby
A. Power consumption per unit of air delivered is low
B. Volumetric efficiency is high
C. It is best suited for compression ratios around 7:1
D. The mositure in air is condensed in the intercooler
A. Centrifugal compressor
B. Axial compressor
C. Pumps
D. All of the above
A. Compressor efficiency
B. Isothermal efficiency
C. Volumetric efficiency
D. Mechanical efficiency
A. It allows maximum compression to be achieved
B. It greatly affects volumetric efficiency
C. It results in minimum work
D. It permits isothermal compression
A. These are used to dampen pulsations ,
B. These act as reservoir to- take care of sudden demands
C. These increase compressor efficiency
D. These knock out some oil and mositure
A. Large quantity of air at high pressure
B. Small quantity of air at high pressure
C. Small quantity of air at low pressure
D. Large quantity of air at low pressure
A. Cool the air
B. Decrease the delivery temperature for ease in handling
C. Cause mositure and oil vapour to drop out
D. Reduce volume
A. Large quantity of air at high pressure
B. Small quantity of air at high pressure
C. Small quantity of air at low pressure
D. Large quantity of air at low pressure
A. Lowest
B. Highest
C. Anything.
D. Atmospheric