Discussion
Home ‣ Mechanical Engineering ‣ Hydraulic Machines See What Others Are Saying!
- Question
Which of the following statement is correct?
Options- A. In an impulse turbine, the water impinges on the buckets with pressure energy.
- B. In a reaction turbine, the water glides over the moving vanes with kinetic energy.
- C. In an impulse turbine, the pressure of the flowing water remains unchanged and is equal to atmospheric pressure.
- D. In a reaction turbine, the pressure of the flowing water increases after gliding over the vanes.
- Correct Answer
- In an impulse turbine, the pressure of the flowing water remains unchanged and is equal to atmospheric pressure.
- 1. Tool life is measured by the
Options- A. number of pieces machined between tool sharpenings
- B. time the tool is in contact with the job
- C. volume of material removed between tool sharpenings
- D. all of the above Discuss
- 2. A rectangular beam subjected to a bending moment is shown in the below figure. The upper layer of the beam will be in tension.
Options- A. True
- B. False Discuss
- 3. Kerosene is distilled at
Options- A. 65° to 220°C
- B. 220° to 345°C
- C. 345° to 470°C
- D. 470° to 550°C Discuss
- 4. The steering of a ship means
Options- A. movement of a complete ship up and down in vertical plane about transverse axis
- B. turning of a complete ship in a curve towards right or left, while it moves forward
- C. rolling of a complete ship side-ways
- D. none of the above Discuss
- 5. The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (?) is equal to
Options- A. 90° and 180°
- B. 45° and 225°
- C. 180° and 270°
- D. 270° and 360° Discuss
- 6. The acceleration of the particle moving with simple harmonic motion is inversely proportional to the displacement of the particle from the mean position.
Options- A. Yes
- B. No Discuss
- 7. The centrifugal compressors are generally used for refrigerants that require
Options- A. small displacements and low condensing pressures
- B. large displacements and high condensing pressures
- C. small displacements and high condensing pressures
- D. large displacements and low condensing pressures Discuss
- 8. The section modulus (Z) of a beam is given by
Options- A. I/y
- B. I.y
- C. y/I
- D. M/I Discuss
- 9. The Euler's equation for the motion of liquids is based upon the assumption that
Options- A. the fluid is non - viscous, homogeneous and incompressible
- B. the velocity of flow is uniform over the section
- C. the flow is continuous, steady and along the stream line
- D. all of the above Discuss
- 10. Cutting and forming operations can be performed in a single operation in a
Options- A. simple die
- B. progressive die
- C. compound die
- D. combination die Discuss
More questions
Correct Answer: all of the above
Correct Answer: False
Correct Answer: 220° to 345°C
Correct Answer: turning of a complete ship in a curve towards right or left, while it moves forward
Correct Answer: 45° and 225°
Correct Answer: No
Correct Answer: large displacements and low condensing pressures
Correct Answer: I/y
Correct Answer: all of the above
Correct Answer: combination die
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.