Open channel liquid flow is most conveniently measured by a__________________?
A. Hot wire anemometer
B. Notch
C. Rotameter
D. Segmental orifice
Fluid Mechanics for Chemical
Which of the following may be termed as a variable orifice flow-meter ?
Which of the following may be termed as a variable orifice flow-meter ?
A. Rotameter
B. Pitot tube
C. V-notch
D. All A., B. and C.
Which of the following is not dimension-less ?
Which of the following is not dimension-less ?
A. Froude number
B. Kinematic viscosity
C. Pressure co-efficient
D. None of these
The line of action of the buoyant force passes through the centre of gravity of the_______________________?
The line of action of the buoyant force passes through the centre of gravity of the_______________________?
A. Submerged body
B. Displaced volume of the fluid
C. Volume of fluid vertically above the body
D. Horizontal projection of the body
Mercury is an ideal barometric fluid mainly due to its __________________?
Mercury is an ideal barometric fluid mainly due to its __________________?
A. High density
B. Low compressibility
C. Low capillary action
D. Very low vapor pressure
Surge tanks are provided in high pressure water pipelines to___________________?
Surge tanks are provided in high pressure water pipelines to___________________?
A. Store a definite quantity of water all the time
B. Reduce the water hammer
C. Facilitate easy dismantling of pipeline for cleaning and maintenance
D. None of these
The velocity distribution in direction normal to the direction of flow in plane Poiseuille flow is_______________________?
The velocity distribution in direction normal to the direction of flow in plane Poiseuille flow is_______________________?
A. Hyperbolic
B. Parabolic
C. Linear
D. None of these
With increase in the temperature, viscosity of a liquid____________________?
With increase in the temperature, viscosity of a liquid____________________?
A. Increases
B. Decreases
C. Remain constant
D. May increase or decrease; depends on the liquid
The continuity equation in ideal fluid flow states that__________________?
The continuity equation in ideal fluid flow states that__________________?
A. Net rate of inflow into any small volume must be zero
B. Energy is not constant along a streamline
C. Energy is constant along a streamline
D. There exists a velocity potential
Capacity of a hydraulic accumulator is defined in terms of maximum_____________________?
Capacity of a hydraulic accumulator is defined in terms of maximum_____________________?
A. Amount of energy stored
B. Flow rate through accumulator
C. Rate of falling of ram
D. Volume available in the cylinder