Hydraulics and Fluid Mechanics MCQs with answers PDF for test preparation. Includes Fluid Mechanics MCQ Civil Engineering PDF download, Hydraulics and Fluid Mechanics MCQ PDF download, and Fluid Mechanics questions and solutions PDF.
Hydrometer is used to determine ____ ?
A. specific gravity of solids
B. specific gravity of gases
C. specific gravity of liquids
D. All of themFor hypersonic flow, the Mach number is _____ ?
A. greater than 4
B. greater than 2
C. unity
D. All of themNormal depth in open channel flow is the depth of flow corresponding to _____ ?
A. critical flow
B. uniform flow
C. steady flow
D. unsteady flowPitot tube is used for measurement of _____ ?
A. velocity
B. dsscharge
C. pressure
D. All of themTotal energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream _____ ?
A. keeps on decreasing
B. may increase/decrease
C. keeps on increasing
D. remains constantEquation of continuity holds good when the flow _____ ?
A. velocity is uniform at all the cross sec-tions
B. is steady
C. is one dimensional
D. All of themA large Roynold number is indication of _____ ?
A. steady flow
B. highly turbulent flow
C. smooth and streamline flow
D. laminar flowIn a forced vortex, the velocity of flow everywhere within the fluid is _____ ?
A. zero
B. non-zero finite
C. maximum
D. minimumTwo pipe systems can be said to be equivalent, when the following quantites are same ______ ?
A. flow and length
B. friction factor and diameter
C. length and diameter
D. friction loss and flowAt the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be _____ ?
A. maximum
B. zero
C. minimum
D. could be any value