Safety valves are provided in chemical equipments to guard against excessive Turbulence Temperature Noise Pressure/pressure fluctuation TRUE ANSWER : ? YOUR ANSWER : ?
In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms. 35 20 30 10 TRUE ANSWER : ? YOUR ANSWER : ?
In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms. . 6.8 3.8 0.5 1.2 TRUE ANSWER : ? YOUR ANSWER : ?
What is the value of 'q' for saturated liquid feed to a distillation column? 1 >1 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the best tube material from thermal conductivity point of view alone? Stainless steel Copper Aluminium Carbon steel TRUE ANSWER : ? YOUR ANSWER : ?
It is not desirable to design a heat exchanger for LMTD correction factor, FT, of less than 0.8 0.99 0.55 0.95 TRUE ANSWER : ? YOUR ANSWER : ?
Rotary driers are most economically designed for the number of heat transfer units (HTU) from 1.5 to 2.5 0.01 to 1 5 to 10 10 to 20 TRUE ANSWER : ? YOUR ANSWER : ?
A 'rupture disc' is provided in chemical equipments as an accessory meant for Avoiding vortex formation Creating turbulence Relieving excess pressure Enhancing mixing rate TRUE ANSWER : ? YOUR ANSWER : ?
Normally, the ratio of the total riser area to the tower cross sectional area (for bubble cap towers of diameter more than 3 ft) is around 0.4-0.6 0.55-0.85 0.1-0.2 0.35-0.75 TRUE ANSWER : ? YOUR ANSWER : ?
Stage efficiency for packed tower varies with the Type & size of packing Operating pressure and column diameter All of these Fluid rates and fluid properties TRUE ANSWER : ? YOUR ANSWER : ?