Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is Same More Less More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein TRUE ANSWER : ? YOUR ANSWER : ?
In a shell and tube heat exchanger for a given heat transfer surface area, smaller diameter tubes are favoured as compared to larger diameter ones ; because the smaller diameter tubes Are easier to clean Are less prone to fouling None of these Can be fitted into a smaller shell diameter hence the cost of the heat exchanger would be less TRUE ANSWER : ? YOUR ANSWER : ?
Thickness of the frame of a plate and frame filter as compared to that of plates is Same More Either A or B Less TRUE ANSWER : ? YOUR ANSWER : ?
A minimum clearance of about __________ mm is maintained between the distillation column wall and the bubble cap. 19 76 38 95 TRUE ANSWER : ? YOUR ANSWER : ?
Power required for agitation depends upon the Agitator type & speed of agitation Size of agitator & the tank Height & properties of the liquid All of these TRUE ANSWER : ? YOUR ANSWER : ?
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the Liquid gradient on the tray Lower static submergence Small downcomer liquid seal Lower skirt clearance TRUE ANSWER : ? YOUR ANSWER : ?
In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less. 20-25 43864 43959 44119 TRUE ANSWER : ? YOUR ANSWER : ?
A cylindrical storage tank can have a self supported conical roof, If the thickness of the roof is more than that of the cylindrical shell If its diameter is more than 50 meters If its diameter is less than 15-20metres Irrespective of its diameter TRUE ANSWER : ? YOUR ANSWER : ?
The force due to wind load acting on a tall vessel depends upon its Height Outside diameter Shape All of these TRUE ANSWER : ? YOUR ANSWER : ?
Rotary driers are most economically designed for the number of heat transfer units (HTU) from 0.01 to 1 5 to 10 1.5 to 2.5 10 to 20 TRUE ANSWER : ? YOUR ANSWER : ?