RVUNL ME Quiz 5

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Question 1

A fluid having kinematic viscosity  is flowing through a pipe of diameter  with a velocity of 50 m/sec. The flow is

• ALaminar
• BTurbulent
• CTransition
• DCritical

Question 2

In laminar flow through circular pipe, the friction factor depends upon

• AReynolds number only
• BReynolds and grashof number
• CGrashoff number only
• DFroude number

Question 3

In turbulent flow loss of energy is_______.

• AProportional to first power velocity
• BProportional of approximately square of velocity
• CInversely proportional to velocity
• DInversely proportional to second power of velocity

Question 4

In a Hagen - Poiseuille fluid flow in pipe, the maximum velocity is 1 m/sec then the average velocity is_____.

• A2 m/sec
• B0.5 m/sec
• C1.5 m/sec
• D0.66 m/sec

Question 5

In case of steady uniform laminar flow through pipes,Discharge (Q) is equal to

• A
• B
• C
• D

Question 6

Loss of head due to the sudden expansion of pipe is______.

• A
• B
• C
• D

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