1. The viscosity of liquids decreases with increase in temperature due to
(A) Decreased cohesive forces
(B) Increased cohesive forces
(C) Decreased molecular momentum transfer
(D) Increased molecular momentum transfer

2. In Newtonian fluids, the shear stress is
(A) directly proportional to the viscosity
(B) inversely proportional to the viscosity
(C) directly proportional to the deformation rate
(D) directly proportional to the shear strain

3. The correct statement is

(A) Fire point is higher than the flash point

(B) Fire point is lower than the flash point

(C) There is no relation between Fire point and the flash point
(D) Sometimes Fire point is higher and some time is Flash point

4. Inacentrifugal pump the liquid enters the pump
(A) at the centre (B) at the top
(C) at the bottom (D) from sides

5. 116 type of flow in which the velocity at any given time does not change with respect
to space is called
(A) Uniform flow (B) Compressible flow
(C) Steady flow (D) Rotational flow

6. Aventurimeter is preferred to an orifice plate because
(A) It is cheaper (B) It is easy to install
(C) Energy loss is less (D) It has very high life

7. Hydraulic radius of a Notch is equal to
(A) Area divided by the square of wetted perimeter
(B) Area divided by the wetted perimeter
(C) Wetted perimeter divided by area
(D) Square root of area

8. The unit of Chezy's constant 'C' in the Chezy's formula is
(A) m/s (B) m/s?
(C) m/s (೧) 712/6

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