Fluid Mechanics and Hydraulics Machines (3141906) MCQ

MCQs of Motion of Fluid Particles and Streams

MCQ No - 1

Which of the following is an example of laminar flow?

(A) Underground flow
(B) Flow past tiny bodies
(C) The flow of oil in measuring instruments
(D) all of these

D
MCQ No - 2

The flow in a pipe is laminar when Reynold number is

(A) less than 2000
(B) between 2000 and 4000
(C) more than 4000
(D) none of these

A
MCQ No - 3

The flow in a pipe is neither laminar nor turbulent when Reynold number is

(A) less than 2000
(B) between 2000 and 4000
(C) more than 4000
(D) none of these

B
MCQ No - 4

The flow in a pipe is turbulent when Reynold number is

(A) less than 2000
(B) between 2000 and 4000
(C) more than 4000
(D) none of these

C
MCQ No - 5

The flow in which conditions do not change with time at any point is known as

(A) 1-D flow
(B) steady flow
(C) streamline flow
(D) uniform flow

B