Pressure at a Point in Compressible Fluid MCQ

Test your knowledge with important Pressure at a Point in Compressible Fluid MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Pressure at a Point in Compressible Fluid MCQs at Bissoy

• A simple U tube manometer connected to a pipe in which liquid is flowing with uniform speed will give which kind of pressure?
  ক

  Absolute Pressure

  খ

  Vacuum Pressure

  গ

  Gauge Pressure

  ঘ

  None of the mentioned
• For dynamic fluid motion in a pipe, the pressure measurement cannot be carried out accurately by manometer.
  ক

  True

  খ

  False
• As we go upwards, at height there is slight decrease in pressure variation.
  ক

  True

  খ

  False
• 7.What is the variation observed in temperature in atmosphere with respect to elevation?
  ক

  It goes on decreasing with height

  খ

  It goes on increasing with height

  গ

  It first increases then decreases

  ঘ

  It first decreases then increases
• Why can’t the density be assumed as constant for compressible fluids?
  ক

  It shows variation with temperature and pressure

  খ

  It remains constant with temperature and pressure

  গ

  It becomes almost constant at very high temperature

  ঘ

  None of the mentioned
• Pressure variation for compressible fluid is maximum for which kind of process?
  ক

  Isothermal

  খ

  Adiabatic

  গ

  Quasi Static

  ঘ

  None of the mentioned
• Calculate the pressure of air at a height of 3500m from sea level where pressure and temperature of air are 10 N/cm2 and 25℃ respectively. The temperature lapse rate is given as 0.0065 ℃ /m. Take density of air at sea level equal to 1.2 kg/m3.
  ক

  19.7 N/cm2

  খ

  9.85 N/cm2

  গ

  4.93 N/cm2

  ঘ

  6.24 N/cm2
• Calculate the pressure at a height of 6500m above the sea level if the atmospheric pressure is 10.145 N/cm2 and temperature is 25℃ assuming air is incompressible. Take density of air as 1.2 kg/m3. Neglect variation of g.
  ক

  4.98 N/cm2

  খ

  2.49 N/cm2

  গ

  1.24 N/cm2

  ঘ

  None of the mentioned
• The barometric pressure at sea level is 760 mm of Mercury while that on a mountain top is 715 mm. If the density of air is assumed constant at 1.2 kg/m3 , what is the elevation of the mountain top?
  ক

  510 m

  খ

  1020 m

  গ

  255 m

  ঘ

  128 m
• If the atmospheric pressure at sea level is 7.5 N/cm2, determine the pressure at a height of 3000m assuming the pressure variation follows isothermal law. The density of air is given as 1.2 km/m3.
  ক

  4.68 N/cm2

  খ

  9.37 N/cm2

  গ

  2.34 N/cm2

  ঘ

  None of the mentioned