# Category: Fluid Mechanics

## The bulk modulus of elasticity with increase in pressure__________________?

A. increases
B. decreases
C. remains constant
D. increases first up to certain limit and then decreases
E. unpredictable

## Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem_________________?

A. Venturimeter
B. Orifice plate
C. nozzle
D. pitot tube
E. all of the above

## Which of the following meters is not associated with viscosity____________________?

A. Red wood
B. Say bolt
C. Engler
D. Orsat
E. none of the above

A. 1
B. 1.2
C. 0.8
D. 0.75
E. 1.25

A. mass
B. momentum
C. energy
D. work
E. force

A. 1000 kg
B. 4000 kg
C. 2000 kg
D. 8000 kg
E. 16000 kg

## Resultant pressure of the liquid in the case of an immersed body acts through____________________?

A. centre of gravity
B. centre of pressure
C. metacentre
D. centre of buoyancy
E. in between e.g. and centre of pressure

## Choose the wrong statement ?

A. any weight, floating or immersed in a liquid, is acted upon by a buoyant force
B. Buoyant force is equal to the weight of the liquid displaced
C. The point through which buoyant force acts, is called the center of buoyancy
D. Center of buoyancy is located above the center of gravity of the displaced liquid v
E. Relative density of liquids can be determined by means of the depth of flotation of hydrometer

A. MlL°T2
B. MlL°Tx
C. MlL r2
D. MlL2T2
E. MlL°t

## The flow in which conditions do not change with time at any point, is known as_________________?

A. one dimensional flow
B. uniform flow