A. Boyle’s law
B. Archimedes principle
C. Pascal’s law
D. Newton’s formula
E. Chezy’s equation
Related Mcqs:
- The pressure at a point in a fluid will not be same in all the directions when the fluid is________________?
A. moving
B. viscous
C. viscous and static
D. inviscous and moving
E. viscous and moving - The normal stress in a fluid will be constant in all directions at a point only if_________________?
A. it is incompressible
B. it has uniform viscosity
C. it has zero viscosity
D. it is frictionless
E. it is at rest. - The normal stress is same in all directions at a point in a fluid ___________________?
A. only when the fluid is frictionless
B. only when the fluid is incompressible and has zero viscosity
C. when there is no motion of one fluid layer relative to an adjacent layer
D. irrespective of the motion of one fluid layer relative to an adjacent layer
E. in case of an ideal fluid - For very great pressures, viscosity of moss gases and liquids __________________?
A. remains same
B. increases
C. decreases
D. shows erratic behaviour
E. none of the above. - Dynamic viscosity of most of the liquids with rise in temperature____________________?
A. increases
B. decreases
A. remains unaffected
D. unpredictable
E. none of the above - 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 - 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 - 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 meters of water column
B. 3 meters of water column
C. 3.5 meters of water column
D. 4 m of water column
E. none of the above - In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to_________________?
A. sin 9
B. sin 9
C. casS
D. cos 9
E. tan 9
