Mechanical Engineering - Hydraulics and Fluid Mechanics
Exercise :: Hydraulics and Fluid Mechanics - Section 5
41.
A differential manometer is used to measure
A. atmospheric pressure B. pressure in pipes and channels C. pressure in venturimeter D. difference of pressures between two points in a pipe
Answer: Option D
Explanation:
42.
The metacentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is
Answer: Option C
Explanation:
43.
The point at which the resultant pressure on an immersed surface acts, is known as
A. centre of gravity B. centre of depth C. centre of pressure D. centre of immersed surface
Answer: Option C
Explanation:
44.
A tank of uniform cross-sectional area (A ) containing liquid upto height (H 1 ) has an orifice of cross-sectional area (a ) at its bottom. The time required to bring the liquid level from H 1 to H 2 will be
Answer: Option C
Explanation:
45.
The torque required to overcome viscous resistance of a collar bearing is (where R 1 and R 2 = External and internal radius of collar)
Answer: Option D
Explanation:
