Mechanical Engineering MCQs

2075 MCQs  (Page 159 of 208)

Carbonation of coal is the process of________________________?
A. Pulverising coal in inert atmosphere
B. Heating wood in a limited supply of air at temperatures below 300°c
C. Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel
D. Binding the pulverised coal into brick-ettes
Fluid is a substance that___________________?
A. Cannot be subjected to shear forces
B. Always expands until it fills any container
C. Has the same shear stress.at a point regardless of its motion
D. Cannot remain at rest under action of any shear force
Practical fluids___________________?
A. Are viscous
B. Possess surface tension
C. Are compressible
D. Possess all the above properties