A. on the surface at which resultant pres-sure acts
B. on the surface at which gravitational force acis
C. at which all hydraulic forces meet
D. similar to metacentre
E. where pressure equivalent to hydraulic thrust will act
Related Mcqs:
- If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be_________________?
A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
E. 7 meters of water column - The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be __________________?
A. 2 metres of water column
B. 3 metres of water column
C. 3.5 metres of water column
D. 4 m of water column
E. none of the above - The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is____________________?
A. 2.4 m
B. 3.0 m
C. 4.0 m
D. ”2.5 m
E. 5.0 m - A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at water 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 total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be ________________?
A. 500 kg
B. 1000 kg
C. 1500 kg
D. 2000 kg
E. 4000 kg - At the center 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 - Center of pressure on an inclined plane is___________________?
A. at the centroid
B. above the centroid
C. below the centroid
D. at metacentre
E. at center of pressure - Center of pressure compared to e.g. is___________________?
A. above it
B. below it
C. at same point
D. above or below depending on area of body
E. none of the above - In the case of steady flow of a fluid, the acceleration of any fluid particle is________________?
A. constant
B. variable
C. zero
D. zero under limiting conditions
E. never zero - Surface energy per unit area of a surface is numerically equal to _____________________?
A. atmospheric pressure
B. surface tension
C. force of adhesion
D. force of cohesion
E. viscosity
