RRB/SSC JE Mech: Engg. Fluid Mechanics Quiz 2

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Question 1

The physical interpretation of equation

• AIncompressible
• BSteady flow
• CIrrotational flow continuity equation
• DZero acceleration of fluid particle

Question 2

The equation signifies the

• AIn compressible continuity equation
• BSteady flow
• CIrotational flow
• DZero acceleration of fluid particle

Question 3

A manometer is used to measure the pressure of a gas in a tank. The fluid used has a specific gravity of 0.85 and the manometer column height is 55 cm, as shown in figure. If the local atmospheric pressure is 96 kPa, what is the absolute pressure in the tank?

• A4.6 kPa
• B98.6 kPa
• C100.6 kPa
• D200 kPa

Question 4

The coefficient of discharge for an orifice meter is in the range

• A0.97 to 0.99
• B0.93 to 0.98
• C0.62 to 0.65
• D0.51 to 0.55

Question 5

Multi stage centrifugal pumps in series are used for

• Ahigh discharge
• Bhigh head 
• Chigh pressure
• Dhigh efficiency

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