Hydraulics and fluid mechanics MCQ with Answers

Hydraulics and fluid mechanics MCQ with Answers

216) 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 is:

10.4 s

217) The point at which the resultant pressure on an immersed surface acts, is known as

Answer is:

centre of pressure

218) A notch is used to measure __________ of liquids.

Answer is:

discharge

219) A flow is called sonic, if the Mach number is unity.

Answer is:

Agree

220) An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,

Answer is:

2.50%

41
42
43
44
45
46
47