Discussion
Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
- Question
One poise is equal to
Options- A. 0.1 N-s/m2
- B. 1 N-s/m2
- C. 10 N-s/m2
- D. 100 N-s/m2
- Correct Answer
- 0.1 N-s/m2
- 1. The Cippoletti weir is a __________ weir.
Options- A. rectangular
- B. triangular
- C. trapezoidal
- D. circular Discuss
- 2. The hydraulic mean depth or the hydraulic radius is the ratio of
Options- A. area of flow and wetted perimeter
- B. wetted perimeter and diameter of pipe
- C. velocity of flow and area of flow
- D. none of these Discuss
- 3. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
Options- A. narrow-crested weir
- B. broad-crested weir
- C. Ogee weir
- D. submerged weir Discuss
- 4. A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is
Options- A. 3.53 kN
- B. 33.3 kN
- C. 35.3 kN
- D. none of these Discuss
- 5. When the Mach number is less than unity, the flow is called
Options- A. sub-sonic flow
- B. sonic flow
- C. super-sonic flow
- D. hyper-sonic flow Discuss
- 6. Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.
Options- A. plus
- B. minus Discuss
- 7. When a body is placed over a liquid, it will sink down if
Options- A. gravitational force is equal to the upthrust of the liquid
- B. gravitational force is less than the upthrust of the liquid
- C. gravitational force is more than the upthrust of the liquid
- D. none of the above Discuss
- 8. A flow whose streamline is represented by a straight line, is called __________ dimensional flow.
Options- A. one
- B. two
- C. three
- D. four Discuss
- 9. The metacentric height is the distance between the
Options- A. centre of gravity of the floating body and the centre of buoyancy
- B. centre of gravity of the floating body and the metacentre
- C. metacentre and centre of buoyancy
- D. original centre of buoyancy and new centre of buoyancy Discuss
- 10. The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)
Options- A.
- B.
- C.
- D.
Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: trapezoidal
Correct Answer: area of flow and wetted perimeter
Correct Answer: submerged weir
Correct Answer: 35.3 kN
Correct Answer: sub-sonic flow
Correct Answer: minus
Correct Answer: gravitational force is more than the upthrust of the liquid
Correct Answer: one
Correct Answer: centre of gravity of the floating body and the metacentre
Correct Answer:
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.