A. parallel to central axis flow
B. parallel to outer surface of pipe
C. of equal yelocity in a flow
D. along which the pressure drop is uniform
E. which occurs in all flows
Related Mcqs:
- The region between the separation streamline and the boundary surface of the solid body is known as_________________?
A. wake
B. drag
C. lift
D. boundary layer
E. aerofoil section - 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 - 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 - 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 - The line of action of the buoyant force acts through the centroid of the ___________________?
A. submerged body
B. volume of the floating body
C. volume of the fluid vertically above the body
D. displaced volume of the fluid
E. none of the above - During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type - 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 - What is defined as the current assets minus inventories and prepaid expenses ?
A. Profit margin ratio
B. Price-earnings ratio
C. Return of investment ratio
D. Quick ratio - The detention time (t) of a settling tank, may be defined as the time required for_________________?
A. A particle to travel along its length
B. A particle to travel from top surface to bottom sludge zone
C. The flow of sewage to fill the tank
D. None of these - In a free vortex motion, the radial component of velocity everywhere is ________________?
A. maximum
B. minimum
C. zero
D. non-zero and finite
E. unpredictable
