Mechanical Engineering MCQs

A. Supersonics, as with projectile 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 forces, and wave making effect, as with ship’s hulls
D. All of the above

A. smooth and streamline flow
B. laminar flow
C. steady flow
D. turbulent flow

A. Is steady
B. Is one dimensional
C. Velocity is uniform at all the cross sections
D. All of the above

D. Keeps on increasing
B. Keeps on decreasing
C. Remains constant
D. May increase/decrease

A. Pressure
B. Flow
C. Velocity
D. Dsscharge

A. Head of water (h)
B. H2
C. V/t
D. H2

A. Parallel to central axis flow
B. Parallel to outer surface of pipe
C. Of equal yelocity in a flow
D. Along which the pressure drop is uniform

A. 0.5
B. 0.4
C. 0.515
D. 0.5

A. Steady
B. Unsteady
C. Laminar
D. Vortex

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