A. top side of main
B. bottom side of main
C. left side of main
D. right side of main
E. any location
Related Mcqs:
- To aviod moisture troubles, the compressed air main line should __________________?
A. rise gradually towards the point of use
B. drop gradually towards the point of use
C. be laid vertically
D. be laid exactly horizontally
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%. - Maximum work is done in compressing air when the compression is_________________?
A. isothermal
B. adiabatic
C. polytropic
D. any one of the above
E. none of the above - What will be the volume of air at 327°C if its volume at 27°C is 1.5 m3/mt ?
A. 3 m3/mt
B. 1.5 m3/mt
C. 18 m3/mt
D. 6 m3/mt
E. 0.75 m3/mt - 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 - The clearance volume of the air compressor is kept minimum because____________________?
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
E. none of the above - A closed gas turbine in which fuel is burnt directly in the air is not possible because of__________________?
A. high pressure ratio
B. increasing gas temperature
C. high specific volume
D. high friction losses
E. paucity of 02 - The air entry velocity m a rocket as compared to aircraft is_________________?
A. same
B. more
C. less
D. zero
E. dependent on power and speed - In which case the air-fuel ratio is likely to be maximum _________________?
A. 2-stroke engine
B. 4-stroke petrol engine
C. 4-stroke diesef engine
D. multi-cylinder engine
E. gas turbine
