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
E. from any one of the above locations
Related Mcqs:
- Which is false statement about advantages of multistage compressor in comparison to single stage compressor_________________?
A. less power requirement
B. better mechanical balance
C. less loss of air due to leakage past the cylinder
D. more effective lubrication
E. lower volumetric efficiency - The capacity of compressor will be highest when its intake temperature is___________________?
A. lowest
B. highest
C. anything.
D. atmospheric
E. none of the above - Free air is the air at________________?
A. atmospheric conditions at any specific location
B. 20°C and 1 kg/cm2 and relative humidity of 36%
C. 0°C and standard atmospheric conditions
D. 15°C and 1 kg/cm2
E. 25°C, 1 kg/cm2 and relative humidity of 50%. - Standard air is the air at_____________________?
A. atmospheric conditions at any specific location
B. 20°C and 1 kg/cm2 and relative humidity 36%
C. 0°C and standard atmospheric conditions
D. 15°C and 1 kg/cm2
E. 25°C, 1 kg/cm2 and RH of 60%. - An ideal air compressor cycle without clearance on p-v diagram can be represented by following processes________________?
A. one adiabatic, two isobaric, and one constant volume
B. two adiabatic and two isobaric
C. two adiabatic, one isobaric and one constant volume
D. one adiabatic, one isobaric and two constant volume
E. two isobaric, two adiabatic and one constant volume - An ideal air compressor cycle with clearance on p-v diagram can be represented by following processes_______________?
A. one adiabatic, two isobaric, and one constant volume
B. two adiabatic and two isobaric
C. two adiabatic, one isobaric and one constant volume,
D. one adiabatic, one isobaric and two constant volume
E. two isobaric, two adiabatic and one constant volume - For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?
A. centrifugal
B. reciprocating
C. axial
D. screw
E. turbo jet - The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is____________________?
A. heated
B. compressed air before entering the combustion chamber is heated
C. bled gas from turbine is heated and readmitted for complete expansion
D. exhaust gases drive the compressor
E. part of exhaust gases are heated and mixed up with atmospheric air to utilise exhaust heat - In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to ____________________?
A. N.T.P. conditions
B. intake temperature and pressure conditions
C. 0°C and 1 kg/cm2
D. 20°C and 1 kg/cm2
E. none of the above - Air-fuel ratio in a jet engine will be of the order of__________________?
A. 10: 1
B. 15: 1
C. 20 : 1
D. 60 : 1
E. 100 :
