A. mass of liquid displaced
B. viscosity of the liquid
C. pressure of the liquid displaced
D. depth of immersion
E. none of the above
Related Mcqs:
- According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to_________________?
A. the weight of the body
B. more than the weight of the body
C. less than the weight of the body
D. weight of the fluid displaced by the body
E. weight of body plus the weight of the fluid displaced hy the body - Center of buoyancy is the___________________?
A. centroid of the displaced volume of fluid
B. center of pressure of displaced volume
C. e.g. of floating ‘body
D. does not exist
E. none of the above - 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
E. none of die above - Hardness of steel depends on_________________?
A. amount of carbon it contains
B. the shape and distribution of the car-bides in iron
C. method of fabrication
D. contents of alloying elements
E. the quality of ore from which it is made - The hardness of steel primarily depends on _____________________?
A. %age of carbon
B. %age of alloying elements
C. heat treatment employed
D. method of manufacture
E. shape of carbides and their distribution in iron - Surface tension__________________?
A. acts in the plane of the interface normal to any line in the surface
B. is also known as capillarity
C. is a function of the curvature of the interface
D. decreases with fall in temperature
E. has no units - A metal with specific gravity of o floating in a fluid of same specific gravity a will____________________?
A. sink to bottom
B. float over fluid
C. partly immersed
D. be fully immersed with top surface at fluid surface
E. none of the above - A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?
A. 0.5
B. 0.4
C. 0.515
D. 0.5
E. none of the above - Rotameter is a device used to measure______________?
A. absolute pressure
B. velocity of fluid
C. flow
D. rotation
E. velocity of air - The difference of pressure between the inside and outside of a liquid drop is _______________?
A. p = Txr
B. p = T/r
C. p = T/2r
D. p = 2T/r
E. none of the above
