Chemical Engineering — Test 132

Non-colloidal solution is an example of the _______________ fluid?

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun’s equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 × 103 VOM + 10.94 × 106 V2 OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is_________________?

For very low pressure and high discharge rate, the compressor used is a/an ______________ compressor?

The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?

Rise of liquid in a capillary tube is due to_________________?

The excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the___________________?

Co-efficient of discharge (Cd) is defined as actual discharge/theoretical discharge and is equal to Cc . Cv; where Cc = Co-efficient of contraction and Cv = co-efficient of velocity. Cd of an orifice is usually about__________________?

The head loss in turbulent flow in a pipe varies________________?

The fluid property, due to which, mercury does not wet the glass is__________________?

The ratio of inertial forces to elastic forces is called the __________ number?