Fluid Mechanics MCQ Questions & Answers | Chemical Engineering

A. Shear stress to gravitational stress

B. Drag stress to shear stress

C. Inertial stress to shear stress

D. Inertial stress to gravitational stress

A. Incompressible

B. Non-viscous

C. Both A and B

D. Neither A nor B

A. Keep the pipe in proper orientation

B. Make the pipe joint leak-proof

C. Account for contraction/expansion of pipe due to temperature changes of the surroundings

D. Account for the pressure variation side the pipeline

A. Pipe becomes smoother with use

B. Friction factor increases linearly with time

C. Absolute roughness decreases with time

D. Absolute roughness increases linearly with time

A. 8400 Pa/m

B. 12600 Pa/m

C. 18900 Pa/m

D. 16800 Pa/m

A. Molten sodium (used as a coolant in Fast Breeder Reactor)

B. Moderately viscous vegetable oil used in soap industry

C. Thick molten soap at 80°C

D. None of the above

A. Q ∝ N : H ∝ N² : P ∝ N³

B. Q ∝ N² : H ∝ N³ : P ∝ N

C. Q ∝ N : H ∝ N³ : P ∝ N²

D. Q ∝ N³ : H ∝ N : P ∝ N²

A. $$\frac{{{{\text{Q}}_1}}}{{{{\text{Q}}_2}}}$$

B. $$\frac{{{{\text{Q}}_2}}}{{{{\text{Q}}_1}}}$$

C. $$\frac{{{{\text{Q}}_2} - {{\text{Q}}_1}}}{{{{\text{Q}}_1}}}$$

D. $$\frac{{{{\text{Q}}_2} - {{\text{Q}}_1}}}{{{{\text{Q}}_2}}}$$

A. D Δp/8L

B. D Δp/4L

C. 8 . V_avg/D

D. 4 . V_avg/D

A. Is a positive displacement pump

B. Is a centrifugal pump

C. Is a non-positive displacement pump

D. Can be started with delivery valve closed