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MCQs

Total Questions : 3218 | Page 2 of 322 pages
Question 11. Curve III in the above diagram represents a/an
  1.    Dilatent fluid
  2.    Pseudo plastic fluid
  3.    Ideal plastic
  4.    None of these
 Discuss Question
Answer: Option B. -> Pseudo plastic fluid
Question 12. A hydraulic ram acts as a/an __________ pump.
  1.    Centrifugal
  2.    Reciprocating
  3.    Impulse
  4.    Parallel cylinder
 Discuss Question
Answer: Option C. -> Impulse
Question 13. The inherent characteristic of an equal percentage valve relating flow rate 'q' with valve stem movement 'x' are described by the equation
  1.    dq/dx = K
  2.    dq/dx = K.q
  3.    dq/dx = K/q
  4.    dq/dx = Kq²
 Discuss Question
Answer: Option A. -> dq/dx = K
Question 14. The capacity of an accumulator is the maximum
  1.    Energy which it can store
  2.    Discharge which it can deliver
  3.    Liquid which it can store
  4.    None of these
 Discuss Question
Answer: Option A. -> Energy which it can store
Question 15. What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately?
  1.    0.003
  2.    0.01
  3.    0.1
  4.    0.3
 Discuss Question
Answer: Option A. -> 0.003
Question 16. For an unstable equilibrium of a floating body (where, M = metacentre.)
  1.    M is above G
  2.    M is below G
  3.    M & G coincide
  4.    None of these
 Discuss Question
Answer: Option B. -> M is below G
Question 17. Drag force acting on a body does not depend upon the
  1.    Density of the fluid
  2.    Density of the body
  3.    Velocity of the body
  4.    Projected area of the body
 Discuss Question
Answer: Option B. -> Density of the body
Question 18. For an incompressible fluid, the bulk modulus of elasticity is
  1.    5 kg/m³
  2.    ∞ N/m²
  3.    1 N
  4.    0 N/m
 Discuss Question
Answer: Option B. -> ∞ N/m²
Question 19. Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer.
  1.    U-tube water
  2.    U-tube mercury
  3.    Inclined tube mercury
  4.    Inclined tube water
 Discuss Question
Answer: Option D. -> Inclined tube water
Question 20. A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an __________ fluid.
  1.    Newtonion
  2.    Non-Newtonion
  3.    Ideal
  4.    Incompressible
 Discuss Question
Answer: Option A. -> Newtonion

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