question_answer

Horizontal tube of non-uniform cross-seed. has radii of 0.1 m and 0.05 m respectively at M and N. For a streamline How of liquid, the rate of liquid flow is

A)  changing continuously with time

B)  greater at M than at N

C)  greater at N than at M

D)  same at M and N

Correct Answer: C

Solution :

Not Available from equation of continuity \[{{A}_{1}}{{V}_{1}}={{A}_{2}}{{V}_{2}}\]therefore velocity of fluid at N is greater than that at M.