Mechanical Engineering MCQs

A. One dimensional flow
B. Uniform flow
C. Steady flow
D. Turbulent flow

A. The direction and magnitude of the velocity at all points are identical
B. The velocity of successive fluid particles, at any point, is the same at successive periods of time
C. The magnitude and direction of the velocity do not change from point to point in the fluid
D. The fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

A. Maximum
B. Minimum
C. Zero
D. Non-zero and finite

A. 0.83
B. 0.6
C. 0.4
D. 0.3

A. Wake
B. Drag
C. Lift
D. Boundary layer

A. The direction and magnitude of the velocity at all points are identical
B. The velocity of successive fluid paiticles, at any point, is the same at successive periods of time
C. The magnitude and direction of the velocity do not change from point to point in the fluid
D. The fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each pleasure

A. Crest
B. Nappe
C. Sill
D. Weir top

A. Specific gravity of liquids
B. Specific gravity of solids
C. Specific gravity of gases
D. Relative humidity

A. Principle of conservation of mass holds
B. Velocity and pressure are inversely proportional
C. Total energy is constant throughout
D. The energy is constant along a stream-line but may vary across streamlines

A. Supersonics, as with projectiles and jet propulsion
B. Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C. Simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls
D. All of fhe above