Hydraulics and Fluid Mechanics MCQs | Page - 2

Dear candidates you will find MCQ questions of Hydraulics and Fluid Mechanics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

M

Mr. Dubey • 52.26K Points
Coach 

Q. The unit of viscosity is

(A) Metres² per sec
(B) kg-sec/metre
(C) Newton-sec per metre²
(D) Newton-sec per meter
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. Select the correct statement

(A) Weber's number is the ratio of inertia force to elastic force.
(B) Weber's number is the ratio of gravity force to surface tension force.
(C) Weber's number is the ratio of viscous force to pressure force.
(D) Weber's number is the ratio of inertia force to surface tension force.
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. Choose the wrong statement. Alcohol is used in manometer, because

(A) Its vapour pressure is low
(B) It provides suitable meniscus for the inclined tube
(C) Its density is less
(D) It provides longer length for a given pressure difference
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid

(A) Remains horizontal
(B) Becomes curved
(C) Falls on the front end
(D) Falls on the back end
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. A pressure of 25 m of head of water is equal to

(A) 25 kN/ m²
(B) 245 kN/ m²
(C) 2500 kN/m²
(D) 2.5 kN/ m²
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. The hammer blow in pipes occurs when

(A) There is excessive leakage in the pipe
(B) The pipe bursts under high pressure of fluid
(C) The flow of fluid through the pipe is suddenly brought to rest by closing of the valve
(D) The flow of fluid through the pipe is gradually brought to rest by closing of the valve
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. The resultant upward pressure of the fluid on an immersed body is called

(A) Up-thrust
(B) Buoyancy
(C) Center of pressure
(D) All the above are correct
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

(A) Narrow-crested weir
(B) Broad-crested weir
(C) Ogee weir
(D) Submerged weir
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. If the surface of liquid is convex, men

(A) Cohesion pressure is negligible
(B) Cohesion pressure is decreased
(C) Cohesion pressure is increased
(D) There is no cohesion pressure
View Answer Discuss Share

M

Mr. Dubey • 52.26K Points
Coach 

Q. The atmospheric pressure with rise in altitude decreases

(A) Linearly
(B) First slowly and then steeply
(C) First steeply and then gradually
(D) Unpredictable
View Answer Discuss Share

Jump to

Download our easy to use, user friendly Android App from Play Store. And learn MCQs with one click.

Image