Lakshya Education MCQs

Question: The vapour pressure over the concave surface is
Options:
A. Less man the vapour pressure over the plane surface
B. Equal to the vapour pressure over the plane surface
C. Greater than the vapour pressure over the plane surface
D. Zero
Answer: Option A

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More Questions on This Topic :

Question 1. Principle of similitude forms the basis of
  1.     Comparing two identical equipments
  2.     Designing models so that the result can be converted to prototypes
  3.     Comparing similarity between design and actual equipment
  4.     Hydraulic designs
Answer: Option B
Question 2. The equation of continuity holds good when the flow
  1.     Is steady
  2.     Is one dimensional
  3.     Velocity is uniform at all the cross sections
  4.     All of the above
Answer: Option D
Question 3. Pitot tube is used for measurement of
  1.     Pressure
  2.     Flow
  3.     Velocity
  4.     Discharge
Answer: Option C
Question 4. According to chezy's formula, the discharge through an open channel is (where a = area of flow, c = chezy's constant, m = hydraulic mean depth, and i = uniform slope in bed)
  1.     A × √(m × i)
  2.     C × √(m × i)
  3.     AC × √(m × i)
  4.     mi × √(A × C)
Answer: Option C
Question 5. The vapour pressure over the concave surface is
  1.     Less man the vapour pressure over the plane surface
  2.     Equal to the vapour pressure over the plane surface
  3.     Greater than the vapour pressure over the plane surface
  4.     Zero
Answer: Option A
Question 6. The equation of continuity holds good when the flow
  1.     Is steady
  2.     Is one dimensional
  3.     Velocity is uniform at all the cross sections
  4.     All of the above
Answer: Option D

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