PPSC Sub Engineer Civil Past Papers

PPSC Sub Engineer Civil Past Papers MCQs curated from previous years' tests to help you understand key concepts, exam patterns, and important questions for effective preparation.

PPSC Sub Engineer Civil Past Papers

For pipes, laminar flow occurs when Reynolds number is:

A. less than 2000
B. between 2000 and 3000
C. more than 3000
D. less than 3000

The fluid forces considered in the Naiver Stokes equation are_:

A. Gravity, pressure and viscous
B. gravity, pressure and turbulent
C. pressure, viscous and turbulent
D. gravity, viscous and turbulent

All the terms of energy in Bernoulli’s equation have dimension of:

A. energy
B. work
C. mass
D. length

For hypersonic flow, the Mach number is :

A. greater than unity
B. greater than 2
C. greater than 4
D. greater than 10

Normal depth in open channel flow is the depth of flow corresponding to:

steady flow
B. unsteady flow
C. laminar flow
D. uniform flow
E. critical flow

Pitot tube is used for measurement of:

A. flow
B. velocity
C. discharge
D. viscosity

Mach number is significant in:

A. supersonics, as with projectiles and jet propulsion
B. full immersion
C. all of the above
D. none of the above

The equation of continuity holds good when the flow :

A. is steady
B. is one dimensional
C. velocity is uniform at all
D. all of the above

A large Reynold number is indication of:

A. smooth and streamline flow
B. laminar flow
C. steady flow
D. highly turbulent flow

For pipes, turbulent flow occurs when Reynolds number is:

A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000

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