A. law of gravitation
B. Archimedes principle
C. principle of buoyancy
D. all of the above
E. continuity equation
Related Mcqs:
- The most widely used pump for lifting sewage is_________________?
A. Centrifugal pump
B. Reciprocating pump
C. Pneumatic ejector
D. Air pressure pump - Which one of the following gases is most significant as air pollutant ?
A. Carbondioxide
B. Oxygen
C. Nitrogen
D. Sulphur-dioxide - To avoid an interruption in the flow of a syphon, an air vessel is provided______________?
A. at the inlet
B. at the outlet
C. at the summit
D. ay nay point between inlet and outlet
E. none of the above - A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is__________________?
A. 1
B. 5
C. 7
D. 6 - 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 - Which of the following is dimensionless ________________?
A. specific weight
B. specific volume
C. specific speed
D. specific gravity
E. specific viscosity - Which of the following instrument can be used for measuring speed of an aeroplane ________________?
A. Venturimeter
B. Orifice plate
C. hot wire anemometer
D. rotameter
E. pitot tube - Which of the following manometer has highest sensitivity __________________?
A. U-tube with water
B. inclined U-tube
C. U-tube with mercury
D. micro-manometer with water
E. displacement type - For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal__________________?
A. ratio of inertial force to force due to viscosity
B. ratio of inertial force to force due to gravitation
C. ratio of inertial force to force due to surface tension
D. all the four ratios of inertial force to force due to viscosity, gravitation, surface tension, and elasticity - Two pipe systems can be said to be equivalent, when the following quantites are same______________?
A. friction loss and flow
B. length and diameter
C. flow and length
D. friction factor and diameter
E. velocity and diameter
