A. horizontal straight line
B. vertical straight line
C. straight inclined line
D. curved line
E. none of the above
Related Mcqs:
- On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by_______________?
A. horizontal straight line
B. vertical straight line
C. straight inclined line
D. curved line
E. none of the above - On Millier chart, the constant pressure lines_________________?
A. diverge from left to right
B. diverge from right to left
C. are equally spaced throughout
D. first rise up and then fall
E. none of the above - Steam exhaust from high pressure turbine is reheated in _____________________?
A. boiler drum
B. superheater tubes
C. economiser
D. a separate coil
E. a separate coil located in convection path - When the flow parameters at any given instant remain same at every point, then flow is said to be___________________?
A. quasi static
B. steady state
C. laminar
D. uniform
E. static - 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 - The size of a boiler drum in pulverised fuel fired boiler,as its size and capacity, (steam pressure and flow ratings) increase __________________?
A. increases
B. decreases
C. remains unchanged
D. increases/decreases depending on steam temperature requirements
E. unpredictable - Efficiency of a thermal cycle increases by ________________?
A. regeneration
B. reheating of steam
C. both A. and B.
D. cooling of steam
E. none of the above - The fusible plug in small boilers is located ________________?
A. in the drum
B. in the fire tubes
C. above steam dome
D. over the combustion chamber
E. at the inlet of chimney - Boiler H.P. is defined as the ________________ ?
A. steam evaporation rate per kg of fuel fired
B. work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam
C. the evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam
D. work done by 1 kg of steam at saturation condition
E. heat consumed in evaporating 1 kg water at 0°C to steam at 100°C and 1.033 kg/cm pressure
