The normal range of velocity of steam in pipes is __________ m/sec. 0.1-0.5 10-20 1-5 80-100 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. Fluid in Flared out Ring plate Nozzle or rim TRUE ANSWER : ? YOUR ANSWER : ?
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always 1 < 1 Equal to the order of reaction >1 TRUE ANSWER : ? YOUR ANSWER : ?
Bubble cap tray is the most commonly used tray in large distillation column, because It incurs less pressure drop as compared to any other try designed for the same duty Of its flexibility and nearly constant efficiency under varying conditions of operation It eliminates the foaming and entrain-ment tendency during operation None of these TRUE ANSWER : ? YOUR ANSWER : ?
Longitundinal stress induced in a thin walled cylindrical storage vessel is PD/6t PD/2t PD/4t PD/3t TRUE ANSWER : ? YOUR ANSWER : ?
An adequate clearance between the tray and the shell wall of a distillation column is provided to Allow for thermal expansion and facilitate installation Avoid back-trapping Drain the liquid from the tray when the unit is not in operation None of these TRUE ANSWER : ? YOUR ANSWER : ?
An underdesigned steam trap will None of these Waste steam Back up condensate and cause water hammer in steam line Destroy itself of acceleration wear due to rapid recycling TRUE ANSWER : ? YOUR ANSWER : ?
The shell side pressure drop in a shell and tube heat exchanger is maximum for __________ baffle. Segmental Orifice Disk and ring Independent of the type of TRUE ANSWER : ? YOUR ANSWER : ?
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row. Diamond None of these Chain Zig-zag TRUE ANSWER : ? YOUR ANSWER : ?