A. Always below the centre of gravity of the area
B. Coincident with centroid of area if its plane is vertical
C. Always above the centroid of the area
D. Independent of the inclination of area
Related Mcqs:
- The ratio between the force causing a body to slide along a plane and the force normal to the plane is called __________________?
A. Coefficient of friction
B. Coefficient of internal friction
C. Coefficient of resistance
D. All are correct - At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?
A. Submerged exit gradient
B. Critical exit gradient
C. Balanced exit gradient
D. All are correct - The resultant pressure of water on the face of dam is equal to ____________________ ?
A. 1/2 WH2
B. 1/2 WH
C. WH
D. All are correct - The precipitation that occurs because of frontal disturbances during the movement of barometric low pressure is called ____________________?
A. Hurricane
B. Cyclonic
C. Orographic
D. Convective - The mass per unit volume of a liquid at standard temperature and pressure is called ____________________?
A. Specific weight
B. Specific gravity
C. Mass density
D. None of these - Aeration holes are provided to reduce the inside saturation pressure ____________________?
A. In a weir with end contractions
B. In a suppressed weir
C. In a cippoletti weir
D. In all weir - Pilot tube is a device, which convert velocity head of flowing water into pressure by ____________________?
A. H = v2/2g
B. H = v/g
C. H = v2 / g2
D. H = v2 / g - When the air in a atmosphere is fully saturated with the vapours present in it, then the pressure exerted by such wet air mass will be called ____________________?
A. Vapour pressure
B. Saturation pressure
C. Partial pressure
D. Atmospheric pressure - In study of a granular material sliding on plane ground, the angle between the perpendicular and the surface in static condition is called ___________________?
A. Angle of friction
B. Angle of internal friction
C. Angle of repose
D. All are correct - A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?
A. Turbulent flow
B. Laminar flow
C. Rotational flow
D. Circular flow
