Fluid Mechanics MCQs with answers Page - 12

Here, you will find a collection of MCQ questions on Fluid Mechanics. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 833.24K Points
Coach

Q. Transition length for a turbulent fluid entering into a pipe is around __________ times the pipe diameter.

  • (A) 5
  • (B) 50
  • (C) 500
  • (D) 1000

A

Admin • 833.24K Points
Coach

Q. The maximum discharge through a circular channel takes place, when the depth of the fluid flow is __________ times the pipe diameter.

  • (A) 0.25
  • (B) 0.5
  • (C) 0.66
  • (D) 0.95

A

Admin • 833.24K Points
Coach

Q. The uniformity of a gas fluidised bed depends upon the __________ of the solid particles.

  • (A) Size
  • (B) Surface properties
  • (C) Both A and B
  • (D) Neither A nor B

A

Admin • 833.24K Points
Coach

Q. Transition length for turbulent flow in smooth pipe is equal to __________ times the pipe diameter.

  • (A) 0.5
  • (B) 5
  • (C) 50
  • (D) 100

A

Admin • 833.24K Points
Coach

Q. Maintenance cost of a __________ pump for a particular duty is the least.

  • (A) Gear
  • (B) Volute
  • (C) Reciprocating
  • (D) Centrifugal

A

Admin • 833.24K Points
Coach

Q. For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).

  • (A) Increase
  • (B) Decrease
  • (C) Remain constant
  • (D) Either A or B; depends on other factors

A

Admin • 833.24K Points
Coach

Q. I.D. of 1/4" schedule 40 pipe is 0.364". I.D. of a 1/2" schedule 40 pipe would be __________ inch

  • (A) 0.474
  • (B) 0.5
  • (C) 0.622
  • (D) 4.728

A

Admin • 833.24K Points
Coach

Q. The valve commonly used in pipes larger than 2" dia is a

  • (A) Globe valve
  • (B) Plug-cock
  • (C) Gate valve
  • (D) Check valve

A

Admin • 833.24K Points
Coach

Q. The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is _________ the mean velocity of flow.

  • (A) Directly proportional to
  • (B) Directly proportional to square of
  • (C) Inversely proportional to
  • (D) Inversely proportional to square of

A

Admin • 833.24K Points
Coach

Q. A pitched-blade turbine draws __________ a straight blade turbine.

  • (A) Less power than
  • (B) More power than
  • (C) Same power as
  • (D) Data insufficient to predict

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.