Discussion
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- Question
The sheet of water flowing over a notch or a weir is known as
Options- A. sill or crest
- B. nappe or vein
- C. orifice
- D. none of these
- Correct Answer
- nappe or vein
- 1. The height of a water column equivalent to a pressure of 0.15 MPa is
Options- A. 15.3 m
- B. 25.3 m
- C. 35.3 m
- D. 45.3 m Discuss
- 2. The flow at critical depth in an open channel is called torrential flow.
Options- A. Yes
- B. No Discuss
- 3. The dynamic viscosity of the liquid __________ with rise in temperature.
Options- A. remain unaffected
- B. increases
- C. decreases Discuss
- 4. Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as
Options- A. lift
- B. drag
- C. stagnation pressure
- D. bulk modulus Discuss
- 5. A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be
Options- A.
- B.
- C.
- D.
Discuss
- 6. The most efficient section of a channel is
Options- A. triangular
- B. rectangular
- C. square
- D. trapezoidal Discuss
- 7. When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as
Options- A. centre of pressure
- B. centre of gravity
- C. centre of buoyancy
- D. metacentre Discuss
- 8. A flow in which the quantity of liquid flowing per second is not constant, is called
Options- A. streamline flow
- B. turbulent flow
- C. steady flow
- D. unsteady flow Discuss
- 9. The force per unit length is the unit of
Options- A. surface tension
- B. compressibility
- C. capillarity
- D. viscosity Discuss
- 10. In the manufacturing of lead shots, the property of surface tension is utilised.
Options- A. Agree
- B. Disagree Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: 15.3 m
Correct Answer: No
Correct Answer: decreases
Correct Answer: drag
Correct Answer:
Correct Answer: trapezoidal
Correct Answer: metacentre
Correct Answer: unsteady flow
Correct Answer: surface tension
Correct Answer: Agree
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