Home / Engineering / Fluid Mechanics and Hydraulic Machines MCQs / Page 8

Fluid Mechanics and Hydraulic Machines MCQs | Page - 8

Dear candidates you will find MCQ questions of Fluid Mechanics and Hydraulic Machines 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 • 51.43K Points
Coach 

Q. 71) For an impulse turbine which of the following statements is correct :

(A) It makes use of a draft tube
(B) It is not exposed to atmosphere
(C) It is most suited for low head installations
(D) It operates with initial complete conversion of pressure head to velocity head.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 72) Which of the following statements is correct in case of a Pelton wheel :

(A) It can operate at optimum efficiency at all high speeds
(B) It is kept entirely submerged in water below the tail race.
(C) It gives optimum efficiency at runaway speed
(D) It operates by converting the available energy fully into kinetic energy before entering the rotor.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 73) The effective (or net) head at the turbine is

(A) The sum of gross head plus head loss in penstock and the velocity head at the turbine exit.
(B) The difference between gross head minus the head loss in penstock
(C) The difference between the gross head minus head loss in penstock and the velocity head at the turbine exit
(D) The sum of gross head plus the head loss in the penstock.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 74) The difference between the power obtained from the turbine shaft and power supplied by water at its entry to the turbine is equal to

(A) Sum of hydraulic and mechanical losses
(B) Sum of mechanical and volumetric losses
(C) Mechanical losses
(D) Hydraulic losses.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 75) Which of the following statements is a definition of the hydraulic efficiency of a turbine?

(A) The ratio of power available at the turbine shaft to that supplied to it by runner.
(B) The ratio of the power supplied by the runner to the power available at the shaft.
(C) The ratio of power utilized by runner to that supplied by the water at entry to the turbine.
(D) The ratio of power supplied by water at entry to the power utilized by runner.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 76) Which of the following surge tank is also called a throttled surge tank?

(A) Inclined surge tank.
(B) Expansion chamber surge tank.
(C) Restricted orifice surge tank.
(D) None of the above
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 77) Which of the following types of impeller is used for centrifugal pumps dealing with muds?

(A) One-side shrouded
(B) Two -sides shrouded
(C) Double section
(D) Open.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 78) Which of the following statements is correct with reference to an impeller with backward curved vanes?

(A) It has a falling head - discharge characteristic.
(B) It has rising head - discharge characteristic
(C) It is easier to fabricate.
(D) It cannot run at speeds other than the design speed.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 79) The head developed by a centrifugal pump may be expressed as

(A) H = (Vw2 u2 + Vw1 u2)/g
(B) H = Vw2 u2 /g
(C) H = Vw1 u1 /g
(D) None of the above.
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach 

Q. 80) With reference to a centrifugal pump which of the following statements is incorrect?

(A) The discharge control valve is fitted in the delivery pipe.
(B) The suction pipe is provided with a foot valve and a strainer.
(C) The suction pipe has larger diameter as compared to the discharge pipe.
(D) The discharge control valve is fitted in the suction pipe.
View Answer Discuss Share

Previous

Next

Explore Sets

Fluid Mechanics and Hydraulic Machines MCQs Set 1

Fluid Mechanics and Hydraulic Machines MCQs Set 2

Fluid Mechanics and Hydraulic Machines MCQs Set 3

Fluid Mechanics and Hydraulic Machines MCQs Set 4

Fluid Mechanics and Hydraulic Machines MCQs Set 5

Fluid Mechanics and Hydraulic Machines MCQs Set 6

Fluid Mechanics and Hydraulic Machines MCQs Set 7

Fluid Mechanics and Hydraulic Machines MCQs Set 8

Fluid Mechanics and Hydraulic Machines MCQs Set 9

Fluid Mechanics and Hydraulic Machines MCQs Set 10

Fluid Mechanics and Hydraulic Machines MCQs Set 11

Fluid Mechanics and Hydraulic Machines MCQs Set 12

Fluid Mechanics and Hydraulic Machines MCQs Set 13

Fluid Mechanics and Hydraulic Machines MCQs Set 14

Fluid Mechanics and Hydraulic Machines MCQs Set 15

Fluid Mechanics and Hydraulic Machines MCQs Set 16

Fluid Mechanics and Hydraulic Machines MCQs Set 17

Fluid Mechanics and Hydraulic Machines MCQs Set 18

Fluid Mechanics and Hydraulic Machines MCQs Set 19

Fluid Mechanics and Hydraulic Machines MCQs Set 20

Fluid Mechanics and Hydraulic Machines MCQs Set 21

Fluid Mechanics and Hydraulic Machines MCQs Set 22

Fluid Mechanics and Hydraulic Machines MCQs Set 23

Explore More Categories

Click on category to learn MCQs of that category.

Biotechnology Engineering

Chemical Engineering

Civil Engineering

Computer Science Engineering

Electrical Engineering

Electronics and Communication Engineering

Information Technology Engineering (IT)

Mechanical Engineering

Production Engineering

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

Image

Menu

Donate Us

Quiz

Forum

Hindi MCQs

Topics

Test Series

Programming Questions

Advance Search

Shop

Duo Test

Login

Sign Up