Civil Engineering Mcqs MCQs

21. Mach number is significant in___________________?

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
✅ The correct answer is option A.

27. What is the basic accounting equation ?

A. Assets = liability + owner’s equity
B. Liability = assets + owners’ equity
C. Owner’s equity = assets + liability
D. Owner’s equity = liability – assets
✅ The correct answer is option A.
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