General Science MCQ – 142 (Physics)

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1. In an unbroken stream, the flow of jet of oil can be attributed?
(A) Capillarity
(B) Surface tension
(C) Density
(D) Temperature

2. Newtonian’s fluid example is?
(A) Water
(B) Gel
(C) Colloids
(D) None of the above

3. The point on the body where the resultant forces act is called enter of pressure?
(A) True
(B) False

4. Due to which principle the aircraft flies in the atmosphere?
(A) Newton’s law of viscosity
(B) Bernoulli’s principle
(C) Archimedes principle
(D) Gravitational force

5. What is V, in an equation? V=1/ v*D (v)/Dt?
(A) Volume
(B) Divergence of velocity
(C) Velocity as a function of time
(D) None of the above

6. Under which flow similarity scale, volume, and length fall?
(A) Geometric similarity
(B) Dynamic similarity
(C) Kinematic similarity
(D) Dimensionless number

7. The shock wave is formed in?
(A) Transonic flow
(B) Incompressible flow
(C) Supersonic flow
(D) Subsonic flow

8. For a fluid which of the following is a suitable flow model?
(A) Finite control volume approach
(B) Infinitesimal fluid element approach
(C) Molecular approach
(D) All three models can be applied based on the requirement

9. Under which flow similarity, the force of inertia falls?
(A) Kinematic similarity
(B) Geometric similarity
(C) Dynamic similarity
(D) None of the above

10. Which of the following is the ratio of Reynolds’s number?
(A) Inertia force to viscous force
(B) Pressure force to viscous force
(C) Inertia force to viscous force
(D) Viscous force to viscous force

General Science MCQ – 141 (Chemistry)