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A. high velocity
B. high pressure
C. weak material
D. low pressure
E. low viscosity
Answer
D. low pressure
Submitted by: Engr. Abdul Hafeez
Civil Engineering Mcqs
Bernoulli equation deals with the law of conservation of____________________?
A. mass
B. momentum
C. energy
D. work
E. force
Answer
C. energy
Submitted by: Engr. Abdul Hafeez
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc__________________?
A. 10 kg
B. 100 kg
C. 1000 kg
D. 1 kg
E. 10,000 kg
Answer
A. 10 kg
Submitted by: Engr. Abdul Hafeez
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
E. none of the above
Answer
C. more than 4000
Submitted by: Engr. Abdul Hafeez
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to________________?
A. 1 Pa
B. 91Pa
C. 981 Pa
D. 9810 Pa
E. 98,100 Pa
Answer
D. 9810 Pa
Submitted by: Engr. Abdul Hafeez
In order that flow takes place between two points in a pipeline, the differential pressure between thes^ points must be more than_________________?
A. frictional force
B. viscosity
C. surface friction
D. all of the above
E. none of the above
Answer
D. all of the above
Submitted by: Engr. Abdul Hafeez
A large Roynold number is indication of_________________?
A. smooth and streamline flow
B. laminar flow
C. steady flow
D. turbulent flow
E. highly turbulent flow
Answer
E. highly turbulent flow
Submitted by: Engr. Abdul Hafeez
Reynolds number is significant in____________________?
A. supersonics, as with projectile and jet propulsion
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
D. all of the above
E. none of the above
Answer
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
Submitted by: Engr. Abdul Hafeez
Froude number is significant in____________________?
A. supersonics, as with projectile and jet propulsion
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
D. all of the above
E. none of the above
Answer
C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
Submitted by: Engr. Abdul Hafeez
The equation of continuity holds good when the flow __________________?
A. is steady
B. is one dimensional
C. velocity is uniform at all the cross sec-tions
D. all of the above
E. none of the above
Answer
D. all of the above
Submitted by: Engr. Abdul Hafeez