A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type
Related Mcqs:
- To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than_______________?
A. 2.4 m above the hydraulic gradient
B. 6.4 m above the hydraulic gradient
C. 10.0 m above the hydraulic gradient
D. 5.0 above the hydraulic gradient
E. none of the above - Flow occurring in a pipeline when a valve is being opened is ______________________?
A. steady
B. unsteady
C. laminar
D. vortex
E. rotational - The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is___________________?
A. 1.5
B. 2.0
C. 3.0
D. 4.0 - For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of___________________?
A. 100 cm
B. 120 cm
C. 140 cm
D. 160 cm - The self-cleansing velocity of water flowing through pipe lines, is___________________ ?
A. 2 metres/sec
B. 1 metre/sec
C. 0.5 metre/sec
D. 0.25 metre/sec - A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is __________________?
A. 9,000 kg
B. 13,500 kg
C. 18,000 kg
D. 27,000 kg
E. 30,000 kg - At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_______________?
A. minimum
B. maximum
C. zero
D. negative value
E. could be any value - Flow of water in a pipe about 3 meters in diameter can be measured by_________________?
A. orifice plate
B. venturi
C. rotameter
D. pitot tube
E. nozzle - For hypersonic flow, the Mach number is___________________?
A. unity
B. greater than unity
C. greater than 2
D. greater than 4
E. greater than 10 - The velocity of jet of water travelling out of opening in a tank filled with water is proportional to___________________?
A. head of water (h)
B. h2
C. V/T
D. h2
E. h3/1.
