Discussion
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- Question
Co-efficient of velocity is __________ the coefficient of discharge.
Options- A. less than
- B. more than
- C. equal to
- D. not related to
- Correct Answer
- more than
- 1. Most commonly used joint in the underground pipe lines is the
Options- A. sleevejoint
- B. coupling
- C. flange
- D. expansion joint Discuss
- 2. If the discharge of a centrifugal pump is throttled, then its suction lift
Options- A. increases
- B. decreases
- C. remains unchanged
- D. data insufficient to predict Discuss
- 3. Buna-S is also known as
Options- A. teflon
- B. PTFE
- C. SBR
- D. polycrylates Discuss
- 4. Which of the following is a copolymer?
Options- A. PVC
- B. Bakelite
- C. Polythene
- D. Teflon Discuss
- 5. Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent.
Options- A. 1-1000
- B. 1000-1500
- C. 1500-2000
- D. 2000-2500 Discuss
- 6. Hydraulic mean depth (Dm) for a circular pipe of diameter 'D' flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum
Options- A. flow rate
- B. mean velocity
- C. both 'a' & 'b'
- D. neither 'a' nor 'b' Discuss
- 7. The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10-6m2/s).
Options- A. 24000
- B. 24
- C. 0.24
- D. 0.44 Discuss
- 8. The velocity profile for turbulent flow through a closed conduit is
Options- A. logarithmic
- B. parabolic
- C. hyperbolic
- D. linear Discuss
- 9. The pitot static tube does not measure the __________ pressure.
Options- A. static
- B. total
- C. difference in static & dynamic
- D. all (a), (b) and (c) Discuss
- 10. The resistance wire used in a hot wire anemometer for conducting electrical current is made of
Options- A. copper
- B. tungsten
- C. chromium
- D. aluminium Discuss
Fluid Mechanics problems
Search Results
Correct Answer: sleevejoint
Correct Answer: increases
Correct Answer: SBR
Correct Answer: Bakelite
Correct Answer: 1-1000
Correct Answer: mean velocity
Correct Answer: 0.44
Correct Answer: logarithmic
Correct Answer: all (a), (b) and (c)
Correct Answer: tungsten
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