Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the force of cohesion force of friction force of adhesion force of diffusion TRUE ANSWER : ? YOUR ANSWER : ?
The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 2/3 1/3 1/2 1/4 TRUE ANSWER : ? YOUR ANSWER : ?
The resultant of all normal pressures acts vertically upwards at e.g. of body at center of pressure at metacentre TRUE ANSWER : ? YOUR ANSWER : ?
The peoperty by virtue of which a liquid opposes relative motion between its different layers is called osmosis viscosity co-efficient of viscosity surface tension TRUE ANSWER : ? YOUR ANSWER : ?
For measuring flow by a venturimeter, if should be installed in vertical line inclined line with upward flow horizontal line in any direction and in any location. TRUE ANSWER : ? YOUR ANSWER : ?
Mercury is often used in barometer because the height of barometer will be less its vapour pressure is so low that it may be neglected both (B) and (C) it is the best liquid TRUE ANSWER : ? YOUR ANSWER : ?
According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to more than the weight of the body weight of the fluid displaced by the body less than the weight of the body the weight of the body TRUE ANSWER : ? YOUR ANSWER : ?
Coefficient of velocity for Borda’s mouth piece running full is 0.855 0.707 0.611 1.00 TRUE ANSWER : ? YOUR ANSWER : ?
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is zero at the mid plane and varies linearly with distance from mid plane constant over the cross section zero at plates and increases linearly to midpoint parabolic distribution across the section TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is demensionless specific gravity specific weight specific volume specific speed TRUE ANSWER : ? YOUR ANSWER : ?