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
