Turbo Machines Test Questions

MCQ: Meridonial velocity is the resultant of _____________ components of fluid velocity.

  1. radial and tangential
  2. tangential and axial
  3. radial and axial
  4. unpredictable

Releted Questions

Turbo Machines Test Questions

MCQ: What is the effect of increasing flow coefficient (Φ) in an axial flow compressor on blade loading coefficient (Ψ)?

  1. Blade loading coefficient (Ψ) increases
  2. Blade loading coefficient (Ψ) decreases
  3. Blade loading coefficient (Ψ) remains constant
  4. Unpredictable

B

MCQ: What is the ratio of the actual work absorbed by an axial flow compressor to the theoretical work called?

  1. Work input factor
  2. Workdone factor
  3. Both a. and b.
  4. None of the above

C

MCQ: ___________ can be defined as the ratio of the pressure rise in rotor blades to the pressure rise in stages in an axial flow compressor.

  1. Degree of pressure
  2. Degree of reaction
  3. Pressure ratio
  4. Reaction ratio

B

MCQ: What is the ratio of isentropic work to Euler work in an centrifugal compressor called?

  1. Work coefficient
  2. Velocity coefficient
  3. Pressure coefficient
  4. Flow coefficient

C

MCQ: The ratio of actual whirl velocity to the ideal whirl velocity in the centrifugal compressor is called as _________.

  1. velocity factor
  2. slip factor
  3. work factor
  4. none of the above

B

Multiple Choice Questions and Answers