Flow through Pipe - II Starter Quiz

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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

Head loss due to sudden expansion is given by ___________.

• Ah_L =
• Bh_L =
• Ch_L =
• Dh_L =

Question 3

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

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

Question 4

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

• A
• B
• C
• D

Question 5

The most useful equation in the analysis of turbulent flow

• AReynolds’s equation
• BNavier - Stokes’s equation
• CEuler’s equation
• DNone of the above

Question 6

Velocity distribution for laminar flow through pipes is given by

(r = radius of pipe, R = distance between axis of pipe to the boundary)

• AU_max = U (1- )
• BU= U_max (1- )
• CU_max =U (1 - )
• DU=U_max (1 - )

Question 7

The fanning friction factor (f_f) is

• AEqual to Darcy’s friction factor (f_D)
• BHalf of Darcy’s friction factor (f_D)
• COne fourth of Darcy’s friction factor (f_D)
• DNone of above

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