1000+ Fluid Mechanics Question Bank with Answers Pdf - 1
Question: 1
The angle of contact between mercury and solid surface is
(A) 0°
(B) 45°
(C) 90°
(D) More than 90°
Ans: D
More than 90°
Question: 2
A submerged body is subjected to a buoyancy equal to the weight of the fluid displaced by it. This principle is known as
(A) Archimede's principle
(B) Bourden's principle
(C) Newton's principle
(D) None of the above
Ans: A
Archimede's principle
Question: 3
Venturimeter is a device based on
(A) Bernauli's principle
(B) Euler's equation
(C) Navier-Stokes equation
(D) Reynolds equation
Ans: A
Bernauli's principle
Question: 4
The most efficient theoretical section to get maximum discharge for a given cross section is
(A) circular
(B) trapezoidal
(C) rectangular
(D) triangular
Ans: A
circular
Question: 5
In a forced vertex motion, the velocity of flow is
(A) directly proportional to the square of its radial distance from the axis of rotation
(B) inversely proportional to its radial distance from the axis of rotation
(C) inversely proportional to its radial distance from the axis of rotation
(D) directly proportional to its radial distance from axis of rotation
Ans: D
directly proportional to its radial distance from axis of rotation
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