A. above it
B. below it
C. at same point
D. above or below depending on area of body
E. none of the above
Related Mcqs:
- 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 - The center of pressure of a surface subjected to fluid pressure is the point_______________?
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 - 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 - 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 - The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is___________________?
A. more
B. less
C. same
D. could be more or less depending on other factors
E. none of the above - The pressure of reheat steam after passing through reheater compared to inlet condition is _________________?
A. more
B. less
C. equal
D. may be more or less depending on capacity of reheater
E. none of the above - 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 total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if___________________?
A. the area is horizontal
B. the area is vertical
C. the area is inclined
D. all of the above
E. none of the above - The high pressure boiler is oiie producing steam at a pressure more than_________________?
A. atmospheric pressure
B. 5 kg/cm2
C. 10 kg/cm2
D. 40 kg/cm2
E. 75-80 kg/cm2
