Fluid Mechanics mcq Mechanical Engineering Free to Learn

##### Q1. Mercury does not wet glass. This is due to property of liquid known as

(b) cohesion

(c) surface tension

(d) viscosity

Ans: (c) surface tension

##### Q2. Which of the following is demensionless

(a) specific weight

(b) specific volume

(c) specific speed

(d) specific gravity

Ans: (d) specific gravity

##### Q3. A fluid in equilibrium can’t sustain

(a) tensile stress

(b) compressive stress

(c) shear stress

(d) bending stress

Ans: (c) shear stress

(a) linear

(b) parabolic

(c) hyperbolic

(d) inverse type

Ans: (a) linear

(a) Red wood

(b) Say bolt

(c) Engler

(d) Orsat

Ans: (d) Orsat

##### Q6. The ratio of absolute viscosity to mass density is known as

(a) specific viscosity

(b) viscosity index

(c) kinematic viscosity

(d) coefficient of viscosity

Ans: (c) kinematic viscosity

##### Q7. Kinematic viscosity is equal to

(a) dynamic viscosity/density

(b) dynamic viscosity x density

(c) density/dynamic viscosity

(d) 1/dynamicviscosity x density

Ans: (a) dynamic viscosity/density

(a) pascal

(b) poise

(c) stoke

Ans: (c) stoke

##### Q9. The resultant upward pressure of the fluid on an immersed body is called

(a) upthrust

(b) buoyancy

(c) center of pressure

(d) all the above are correct

Ans: (b) buoyancy

##### Q10. The angle of contact in case of a liquid depends upon

(a) the nature of the liquid and the solid

(b) the material which exists above the free surface of the liquid

(c) both of die above

(d) any one of the above

Ans: (c) both of die above

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 Hydraulics and Fluid mechanics MCQ Section-1 Section-2 Section-3 Section-4 Section-5 Section-6