Lakshya Education MCQs

Question: Viscosity of water in comparison to mercury is
Options:
A. Higher
B. Lower
C. Same
D. Higher/lower depending on temperature
Answer: Option A

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More Questions on This Topic :

Question 1. The pressure less than atmospheric pressure is known as
  1.     Suction pressure
  2.     Vacuum pressure
  3.     Negative gauge pressure
  4.     All of these
Answer: Option D
Question 2. In a reciprocating pump, air vessels are used to
  1.     Smoothen the flow
  2.     Reduce suction head
  3.     Increase delivery head
  4.     Reduce acceleration head
Answer: Option D
Question 3. The centre of gravity of the volume of the liquid displaced is called
  1.     Centre of pressure
  2.     Centre of buoyancy
  3.     Metacentre
  4.     None of these
Answer: Option B
Question 4. The rise or depression of liquid in a tube due to surface tension will increase in size of tube will
  1.     Increase
  2.     Remain unaffected
  3.     May increase or decrease depending on the characteristics of liquid
  4.     Decrease
Answer: Option D
Question 5. A turbine develops 10000 kw under a head of 25 meters at 135 r.p.m. its specific speed is
  1.     175.4 r.p.m.
  2.     215.5 r.p.m.
  3.     241.5 r.p.m.
  4.     275.4 r.p.m
Answer: Option C
Question 6. Viscosity of water in comparison to mercury is
  1.     Higher
  2.     Lower
  3.     Same
  4.     Higher/lower depending on temperature
Answer: Option A

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