Civil Engineering MCQs

2965 MCQs  (Page 260 of 297)

Alcohol is used in manometers because_____________________?
A. It has low vapour pressure
B. It is clearly
C. It has low surface tension
D. It can provide longer column due to low density
Units of surface tension are_________________?
A. Energy/unit area
B. Distance
C. Both of the above
D. It has no units
Choose the correct relationship_________________?
A. Specific gravity = gravity x density
B. Dynamicviscosity = kinematicviscosity x density
C. Gravity = specific gravity x density
D. Kinematicviscosity = dynamicviscosity x density
For manometer, a better liquid combination is one having______________?
A. Higher surface tension
B. Lower surface tension
C. Surface tension is no criterion
D. High density and viscosity