Category: Fluid Mechanics

A. it is the best liquid
B. the height of barometer will be less
C. its vapour pressure is so low that it may be neglected
D. both B. and C.
E. it moves easily

A. fluid
B. water
C. gas
D. perfect solid
E. ideal fluid

A. quasi static
B. steady state
C. laminar
D. uniform
E. static

A. same
B. higher
C. lower
D. lower/higher depending on weight of body
E. unpredictable

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

A. pco2/?2
B. pco2/?2/2
C. 2pa2R2
D. pa2R/2
E. none of the above

A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above

A. pressure in pipe, channels etc.
B. atmospheric pressure
C. very low pressures
D. difference of pressure between two points
E. flow

A. cannot be subjected to shear forces
B. always expands until it fills any container
C. has the same shear stress.at a point regardless of its motion
D. cannot remain at rest under action of any shear force
E. flows

A. when its meatcentric height is zero
B. when the metancentre is above e.g.
C. when its e.g. is below it’s center of buoyancy
D. metacentre has nothing to do with position of e.g. for determining stability
E. none of the above