Fluid Mechanics for Chemical

Open channel liquid flow is most conveniently measured by a__________________? A. Hot wire anemometerB. Notch C. Rotameter D. Segmental orifice

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 ? A. Froude numberB. 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_______________________? A. Submerged bodyB. 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 __________________? A. High density B. Low compressibility C. Low capillary actionD. Very low vapor pressure

Surge tanks are provided in high pressure water pipelines to___________________? A. Store a definite quantity of water all the timeB. 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_______________________? A. HyperbolicB. Parabolic C. Linear D. None of these

With increase in the temperature, viscosity of a liquid____________________? A. IncreasesB. Decreases C. Remain constant D. May increase or decrease; depends on the liquid

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_____________________? A. Amount of energy stored B. Flow rate through accumulator C. Rate of falling of ram D. Volume available in the cylinder