Pressure Vessels and Engines MCQ with Answers

increase

decrease

remain same

may increase/decrease depending on clearance volume

air stream blocking the passage

motion of air at sonic velocity

unsteady periodic and reversed flow

air stream not able to follow the blade contour

centrifugal compressors deliver prac-tically constant pressure over a considerable range of capacities

Axial flow compressors have a sub-stantially constant delivery at variable pressures

centrifugal compressors have a wider stable operating range than axial flow compressors

axial flow compressors are bigger in diameter compared to centrifugal type

net work output and heat supplied

net work output and work done by turbine

actual heat drop and isentropic heat drop

net work output and isentropic heat drop

Brayton or Atkinson cycle

Carnot cycle

Rankine cycle

Erricsson cycle