A turbine develops 10000 kW under a head of 25 metres at 135 r.p.m. Its specific speed is

Question: A force while acting on a body may
[A].

change its motion

[B].

balance the forces, already acting on it

[C].

give rise to the internal stresses in it

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
[A].

equal to

[B].

equal and opposite to

[C].

less than

[D].

greater than

Answer: Option B

Explanation:

No answer description available for this question.

Question: Newton’s second law motion __________ a relation between force and mass of a moving body.
[A].

gives

[B].

does not give

Answer: Option A

Explanation:

No answer description available for this question.