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MCQs

Total Questions : 1709 | Page 155 of 171 pages
Question 1541. A fluid in equilibrium can’t sustain_________________?
  1.    tensile stress
  2.    compressive stress
  3.    shear stress
  4.    bending stress
  5.    all of the above
 Discuss Question
Answer: Option C. -> shear stress
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1542. Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called________________?
  1.    adhesion
  2.    cohesion
  3.    viscosity
  4.    compressibility
  5.    surface tension
 Discuss Question
Answer: Option A. -> adhesion
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1543. The pressure at a point in a fluid will not be same in all the directions when the fluid is________________?
  1.    moving
  2.    viscous
  3.    viscous and static
  4.    inviscous and moving
  5.    viscous and moving
 Discuss Question
Answer: Option E. -> viscous and moving
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1544. Which of the following is dimensionless ________________?
  1.    specific weight
  2.    specific volume
  3.    specific speed
  4.    specific gravity
  5.    specific viscosity
 Discuss Question
Answer: Option D. -> specific gravity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1545. Specific weight of water in S.I. units is equal to_________________?
  1.    1000 N/m3
  2.    10000 N/m3
  3.    9.81 xlO3 N/m3
  4.    9.81 xlO6N/m3
  5.    9.81 N/m3
 Discuss Question
Answer: Option C. -> 9.81 xlO3 N/m3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1546. A balloon lifting in air follows the following principle_________________?
  1.    law of gravitation
  2.    Archimedes principle
  3.    principle of buoyancy
  4.    all of the above
  5.    continuity equation
 Discuss Question
Answer: Option D. -> all of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1547. The bulk modulus of elasticity with increase in pressure___________________?
  1.    increases
  2.    decreases
  3.    remains constant
  4.    increases first upto certain limit and then decreases
  5.    unpredictable
 Discuss Question
Answer: Option A. -> increases
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1548. In a static fluid__________________?
  1.    resistance to shear stress is small
  2.    fluid pressure is zero
  3.    linear deformation is small
  4.    only normal stresses can exist
  5.    viscosity is nil
 Discuss Question
Answer: Option D. -> only normal stresses can exist
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1549. The increase of temperature results in_________________?
  1.    increase in viscosity of gas
  2.    increase in viscosity of liquid
  3.    decrease in viscosity of gas
  4.    decrease in viscosity of liquid
  5.    A. and D. above
 Discuss Question
Answer: Option D. -> decrease in viscosity of liquid
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 1550. A perfect gas_________________?
  1.    has constant viscosity
  2.    has zero viscosity
  3.    is incompressible
  4.    is of theoretical interest
  5.    none of the above
 Discuss Question
Answer: Option E. -> none of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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