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MCQs

Total Questions : 1709 | Page 154 of 171 pages
Question 1531. A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury ?
  1.    the metal piece will simply float over the mercury
  2.    the metal piece will be immersed in mercury by half
  3.    whole of the metal piece will be immersed with its top surface just at mercury level
  4.    metal piece will sink to the bottom
  5.    none of the above
 Discuss Question
Answer: Option C. -> whole of the metal piece will be immersed with its top surface just at mercury level
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1532. An ideal flow of any fluid must fulfill the following______________?
  1.    Newton’s law of motion
  2.    Newton’s law of viscosity
  3.    Pascal’ law
  4.    Continuity equation
  5.    Boundary layer theory
 Discuss Question
Answer: Option D. -> Continuity equation
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1533. A fluid is said to be ideal, if it is________________?
  1.    incompressible
  2.    inviscous
  3.    viscous and incompressible
  4.    inviscous and compressible
  5.    inviscous and incompressible
 Discuss Question
Answer: Option E. -> inviscous and incompressible
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1534. Practical fluids____________________?
  1.    are viscous
  2.    possess surface tension
  3.    are compressible
  4.    possess all the above properties
  5.    possess none of the above properties
 Discuss Question
Answer: Option D. -> possess all the above properties
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1535. Fluid is a substance which offers no resistance to change of_________________?
  1.    pressure
  2.    flow
  3.    shape
  4.    volume
  5.    temperature
 Discuss Question
Answer: Option C. -> shape
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1536. Liquids________________?
  1.    cannot be compressed
  2.    occupy definite volume
  3.    are not affected by change in pressure and temperature
  4.    GO are not viscous
  5.    none of the above
 Discuss Question
Answer: Option E. -> none of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1537. If no resistance is encountered by displacement, such a substance is known as___________________?
  1.    fluid
  2.    water
  3.    gas
  4.    perfect solid
  5.    ideal fluid
 Discuss Question
Answer: Option E. -> ideal fluid
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1538. The value of mass density in kgsecVm4 for water at 0°C is_______________?
  1.    1
  2.    1000
  3.    100
  4.    101.9
  5.    91
 Discuss Question
Answer: Option D. -> 101.9
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1539. Mercury does not wet glass. This is due to property of liquid known as_________________?
  1.    adhesion
  2.    cohesion
  3.    surface tension
  4.    viscosity
  5.    compressibility
 Discuss Question
Answer: Option C. -> surface tension
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1540. The tendency of a liquid surface to contract is due to the following property_________________?
  1.    cohesion
  2.    adhesion
  3.    viscosity
  4.    surface tension
  5.    elasticity
 Discuss Question
Answer: Option D. -> surface tension
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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