Lakshya Education MCQs

Question: The product of mass and acceleration of flowing liquid is called
Options:
A. Inertia force
B. Viscous force
C. Gravity force
D. Pressure force
Answer: Option A

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More Questions on This Topic :

Question 1. When a body is placed over a liquid, it will float if
  1.     Gravitational force is equal to the up-thrust of the liquid
  2.     Gravitational force is less than the up-thrust of the liquid
  3.     Gravitational force is more than the up-thrust of the liquid
  4.     None of the above
Answer: Option B
Question 2. If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in
  1.     Neutral equilibrium
  2.     Stable equilibrium
  3.     Unstable equilibrium
  4.     None of these
Answer: Option B
Question 3. When a body is placed over a liquid, it will float if
  1.     Gravitational force is equal to the up-thrust of the liquid
  2.     Gravitational force is less than the up-thrust of the liquid
  3.     Gravitational force is more than the up-thrust of the liquid
  4.     None of the above
Answer: Option B
Question 4. To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than
  1.     2.4 m above the hydraulic gradient
  2.     6.4 m above the hydraulic gradient
  3.     10.0 m above the hydraulic gradient
  4.     5.0 above the hydraulic gradient
Answer: Option B
Question 5. An impulse turbine is used for
  1.     Low head of water
  2.     High head of water
  3.     Medium head of water
  4.     High discharge
Answer: Option B
Question 6. The flow ratio in case of francis turbine varies from
  1.     0.15 to 0.3
  2.     0.4 to 0.5
  3.     0.6 to 0.9
  4.     1 to 1.5
Answer: Option A

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