PGCET Polymer Science Question Paper 2011 With Answers.
PGCET Mechanical Engineering (ME) Question Paper 2011 With Answers
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Each question carries one mark. 50 x 1 50
1. Poise is the unit of
(A) velocity gradient (B) dynamic viscosity
(C) kinematic viscosity (D) mass density.
2. Venturlmeter Is used to measure
(A) discharge (B) average velocity
(C) velocity at a point (D) pressure at a point.
3. If fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called
(A) uniform (B) compressible
(C) laminar (D) steady.
4. A Newtonian fluid is defined as the fluid which
(A) Is incompressible and non-viscous
(B) obeys Newton’s law of viscosity
(C) Is highly viscous
(D) Is compressible and non-viscous.
5. Bernoulli’s equation is derived by making assumption that (A) the flow Is uniform and incompressible
(B) the flow Is non-viscous, uniform and steady
(C) the flow Is steady, non-vIscous, Incompressible and li-rotational
(D) the flow Is non-uniform, steady and compressible.