Q. The unit of specific gravity is ___________.

  • (A) kN/m3
  • (B) N/m
  • (C) Pa
  • (D) no unit
πŸ’¬ Discuss
βœ… Correct Answer: (D) no unit

Q. The unit of surface tension is ___________.

  • (A) kN/m3
  • (B) N/m
  • (C) Pa
  • (D) no unit
πŸ’¬ Discuss
βœ… Correct Answer: (B) N/m

Q. The unit of pressure is ___________.

  • (A) kN/m3
  • (B) N/m
  • (C) Pa
  • (D) no unit
πŸ’¬ Discuss
βœ… Correct Answer: (C) Pa

Q. For a liquid having mass 2000 kg and volume 2.5 m3. Calculate mass density.

  • (A) 0.00125 kg/m3
  • (B) 0.00125 kN/m2
  • (C) 800 kg/m3
  • (D) 800 kg/m2
πŸ’¬ Discuss
βœ… Correct Answer: (C) 800 kg/m3

Q. If weight density of liquid is 8.0 kN/m3 , find its specific gravity.

  • (A) 1.23 N
  • (B) 1.23
  • (C) 0.815 N
  • (D) 0.815
πŸ’¬ Discuss
βœ… Correct Answer: (D) 0.815

Q. Whenever a liquid (such as water, oil etc.) is filled in a vessel, it exerts force at all points on the sides and bottom of the container. This force per unit area is called

  • (A) pressure
  • (B) force intensity
  • (C) pressure intensity
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) pressure

Q. In a static liquid, vertical distance from datum line to the free surface of liquid is known as

  • (A) head
  • (B) pressure head
  • (C) depth
  • (D) pressure depth
πŸ’¬ Discuss
βœ… Correct Answer: (B) pressure head

Q. Intensity of pressure (p) is proportional to the pressure head (h)

  • (A) true
  • (B) false
  • (C) all
  • (D) none
πŸ’¬ Discuss
βœ… Correct Answer: (A) true

Q. The air surrounding the earth Possess some weight. Due to its weight, the air exerts some pressure on the surface of the earth. This pressure is known as

  • (A) Atmospheric pressure
  • (B) Absolute Pressure
  • (C) Gauge Pressure
  • (D) Vacuum Pressure
πŸ’¬ Discuss
βœ… Correct Answer: (A) Atmospheric pressure

Q. When pressure is measured with reference to absolute zero pressure it is known as

  • (A) Atmospheric pressure
  • (B) Absolute Pressure
  • (C) Gauge Pressure
  • (D) Vacuum Pressure
πŸ’¬ Discuss
βœ… Correct Answer: (B) Absolute Pressure

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