Fluid Machines QUESTIONS AND ANSWERS

Civil Engineering : Fluid Machines QUESTIONS AND ANSWERS :: part1 : 6 to 10

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.An ideal fluid is

one which obeys Newton's law of viscosity

frictionless and incompressible

very viscous

frictionless and compressible

7.Metacentric height for small values of angle of heel is the distance between the

centre of gravity and centre of buoy-ancy

centre of gravity and metacentre

centre of buoyancy and metacentre

free surface and centre of buoyancy

8.A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, then i) the ball will move to the front ii) the bubble will move to the front iii) the ball will move to the rear iv) the bubble will move to the rear Find out which of the above statements are correct ?

(i) and (ii)

(i)and(iv)

(ii) and (iii)

(iii) and (iv)

9.The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is

at the centroid of the submerged area

always above the centroid of the area

always below the centroid of the area

none of the above

10.The eddy viscosity for turbulent flow is

a function of temperature only

a physical property of the fluid.