71. Flow at constant rate through a tapering pipe is
i) steady flow
ii) uniform flow
iii) unsteady flow
iv) non-uniform flow
The correct answer is
i) steady flow
ii) uniform flow
iii) unsteady flow
iv) non-uniform flow
The correct answer is
72. Drag force is a function of
i) projected area of the body
ii) mass density of the fluid
iii) velocity of the body
The correct answer is
i) projected area of the body
ii) mass density of the fluid
iii) velocity of the body
The correct answer is
73. The increase in meta centric height
i) increases stability
ii) decreases stability
iii) increases comfort for passengers
iv) decreases comfort for passengers
The correct answer is
i) increases stability
ii) decreases stability
iii) increases comfort for passengers
iv) decreases comfort for passengers
The correct answer is
74. Select the correct statement
75. Least possible value of correction factor for
i) kinetic energy is zero
ii) kinetic energy is 1
iii) momentum is zero
iv) momentum is 1
The correct statements are
i) kinetic energy is zero
ii) kinetic energy is 1
iii) momentum is zero
iv) momentum is 1
The correct statements are
76. Choose the wrong statement
77. For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is
78. The flow which neglects changes in a transverse direction is known as
79. For measuring flow by a venturimeter, if should be installed in
80. Which of the following instrument can be used for measuring speed of an aeroplane
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