Mechanical Engineering MCQs

A. Surface tension
B. Cohesion of the liquid
C. Adhesion of the liquid molecules and the molecules on the surface of a solid
D. All of the above

A. Linearly
B. First slowly and then steeply
C. First steeply and then gradually
D. Unpredictable

A. Increase
B. Remain unaffected
C. May increase or decrease depending on the characteristics of liquid
D. Decrease

A. Metres2 per sec
B. Kg sec/meter
C. Newton-sec per meter
D. Newton-sec2 per meter

A. Surface tension
B. Co-efficient of viscosity
C. Viscosity
D. Osmosis

A. At the inlet
B. At the outlet
C. At the summit
D. Ay nay point between inlet and outlet

A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm

A. Cohesion pressure is negligible
B. Cohesion pressure is decreased
C. Cohesion pressure is increased
D. There is no cohesion pressure

A. Viscosity
B. Air resistance
C. Surface tension forces
D. Atmospheric pressure

A. The meta-center should lie above the center of gravity
B. The center of buoyancy and the center of gravity must lie on the same vertical line
C. A righting couple should be formed
D. All the above are correct