Process Equipment and Plant Design MCQs

For a cylinderical vessel of moderate height, the weld joint efficiency for joints parallel to the cylinderical axis is given as 1.0, while for joints along the girth (circumference) it is given as 0.8. In calculating the shell wall thickness using code formula for an internally pressurised cylinderical vessel, what value of weld joint efficiency should be used?

A claming section before the liquid flows into the downcomer is privided to

Movement of pipeline caused by thermal expansion is taken care by providing

The retention time of material in a rotary dryer depends upon its

In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

Saddle supports are used for supporting __________ vessels.

$$\frac{{{{\text{L}}_{\text{e}}}}}{{\text{D}}}$$ for 90° elbow (medium radius) and 90° square elbow would be respectively around

The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure.