A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is__________________? A. 0.83B. 0.6 C. 0.4 D. 0.3 E. none of the above
In a free vortex motion, the radial component of velocity everywhere is ________________? A. maximum B. minimumC. zero D. non-zero and finite E. unpredictable
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to___________________? A. head of water (h) B. h2C. V/T D. h2 E. h3/1.
A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? A. 0.5 B. 0.4C. 0.515 D. 0.5 E. none of the above
A streamline is defined as the line ________________? A. parallel to central axis flow B. parallel to outer surface of pipeC. of equal yelocity in a flow D. along which the pressure drop is uniform E. which occurs in all…
General energy equation holds for_________________? A. steady flow B. turbulent flow C. laminar flowD. non-uniform flow E. all of the above
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as_________________? A. one dimensional flow B. uniform flow C.…
The flow which neglects changes in a transverse direction is known as ____________________? A. one dimensional flow B. uniform flow C. steady flow D. turbulent flow E. streamline flow
The flow in which conditions do not change with time at any point, is known as _____________________? A. one dimensional flow B. uniform flowC. steady flow D. turbulent flow E. streamline flow
Flow occurring in a pipeline when a valve is being opened is ______________________? A. steadyB. unsteady C. laminar D. vortex E. rotational