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MCQs

Total Questions : 110 | Page 2 of 11 pages
Question 11. What happens to the viscosity of liquid and gas when the temperature is increased?
  1.    Both increases
  2.    Both decreases
  3.    For liquid increases and for gas decreases
  4.    For liquid decreases and gas increases
 Discuss Question
Answer: Option D. -> For liquid decreases and gas increases
Answer: (d).For liquid decreases and gas increases
Question 12. Orifice type viscometer covert viscosity to _______________
  1.    Force
  2.    Pressure
  3.    Displacement
  4.    Potential difference
 Discuss Question
Answer: Option B. -> Pressure
Answer: (b).Pressure
Question 13. Rotameter type viscometer converts viscosity to angular displacement.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 14. Which of the following represents Hagen-poissule equation?
  1.    µ = (πd⁴ΔP)/(128Q’L)
  2.    µ = (d⁴ΔP)/(128Q’L)
  3.    µ = (πd⁴ΔP)/(Q’L)
  4.    µ = (πd⁴)/(128Q’L)
 Discuss Question
Answer: Option A. -> µ = (πd⁴ΔP)/(128Q’L)
Answer: (a).µ = (πd⁴ΔP)/(128Q’L)
Question 15. Which of the following is not converting viscosity to pressure?
  1.    Redwood viscometer
  2.    Saybolt viscometer
  3.    Orifice viscometer
  4.    Rotameter viscometer
 Discuss Question
Answer: Option D. -> Rotameter viscometer
Answer: (d).Rotameter viscometer
Question 16. Which of the following uses displacement to pressure conversion?
  1.    Flapper nozzle system
  2.    Gyroscope
  3.    Viscometer
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Flapper nozzle system
Answer: (a).Flapper nozzle system
Question 17. Which of the following represents normal value for Pout/Pin?
  1.    Less than 0.2
  2.    Between 0.2 and 0.75
  3.    Between 0.75 and 1
  4.    Greater than 1
 Discuss Question
Answer: Option C. -> Between 0.75 and 1
Answer: (c).Between 0.75 and 1
Question 18. Displacement to pressure systems are used for measuring ___________
  1.    Displacement
  2.    Velocity
  3.    Acceleration
  4.    Force
 Discuss Question
Answer: Option A. -> Displacement
Answer: (a).Displacement
Question 19. Which of the following represents the correct relation between pressure and displacement in flapper nozzle system?
  1.    Direct proportionality
  2.    Inverse proportionality
  3.    Equal
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Inverse proportionality
Answer: (b).Inverse proportionality
Question 20. Which of the following is correct for flapper nozzle system?
  1.    Used in hydraulic system only
  2.    Used in pneumatic system only
  3.    Used in both hydraulic and pneumatic system
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Used in both hydraulic and pneumatic system
Answer: (c).Used in both hydraulic and pneumatic system

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