Gradually varied flow is :
A. steady uniform
B. non-steady non-uniform
C. non-steady uniform
D. steady non-uniform
During the opening of a valve in a pipe line, the flow is :
A. steady
B. unsteady
C. uniform
D. laminar
In the case of steady flow of a fluid, the acceleration of any fluid particle is :
A. constant
B. variable
C. zero
D. zero
Flow of water in a pipe about 3 meters in diameter can be measured by :
A. orifice plate
B. venture
C. rotameter
D. pitot tube
Rotameter is a device used to measure :
A. absolute pressure
B. velocity of fluid
C. flow
D. rotation
The time oscillation of a floating body with increase in metacentric height will be :
A. same
B. higher
C. lower
D. lower/high
In an immersed body, centre of pressure is :
A. at the center of gravity
B. above the center of gravity
C. below be center of gravity
D. could be above or below
Differential monometer is used to measure :
A. pressure in pipes, channels etc.
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
The two important forces for a floating body are :
A. buoyancy, gravity
B. buoyancy, pressure
C. buoyancy, inertial
D. inertial, gravity
