The circumferential (hoop) stress in a thin walled cylinderical vessel under internal pressure is pd/t pd/4t pd/3t pd/2t TRUE ANSWER : ? YOUR ANSWER : ?
Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 250 to 500 600 to 700 100 to 150 50 to 100 TRUE ANSWER : ? YOUR ANSWER : ?
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder Is easy to fabricate Both A & B Neither A nor B Has greater structural strength TRUE ANSWER : ? YOUR ANSWER : ?
In shell and tube heat exchangers, straight tie rods are used to None of these Hold baffle in space Fix the tubes in position Account for thermal strain TRUE ANSWER : ? YOUR ANSWER : ?
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing. 20-40 100-150 43835 1000-1500 TRUE ANSWER : ? YOUR ANSWER : ?
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type. Flared out Nozzle or rim Ring plate Fluid in TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method? Sensible heat changes for vapour & liquid are negligibly small Heat of mixing of normal liquid is assumed to be zero Reflux is not a saturated liquid Molar latent heat of the two components are equal TRUE ANSWER : ? YOUR ANSWER : ?
Lap joints are preferred for plates having thickness __________ mm. > 5 43961 > 3 < 12.5 TRUE ANSWER : ? YOUR ANSWER : ?
The LMTD correction factor (FT) is applied in __________ heat exchangers. 1-1 cocurrent All of these All multipass Double pipe TRUE ANSWER : ? YOUR ANSWER : ?
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling. None of these CO₂ NH₃ SO₂ TRUE ANSWER : ? YOUR ANSWER : ?