In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ _____________ cms?

Related Mcqs:

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

A. Decreases upwards B. Increases upwards C. Remains same throughout D. May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell...

In distillation columns, bubble caps are held in place over trays by ________________?

A. Rivets B. A hold down bar C. Bolts D. Both B. and C....

The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is___________________?

A. 0 B. ∞ C. 1 D. Minimum...

An under-designed steam trap will___________________?

A. Waste steam B. Destroy itself of acceleration wear due to rapid recycling C. Back up condensate and cause water hammer in steam line D. None of these...

For a cylindrical vessel of moderate height, the weld joint efficiency for joints parallel to the cylindrical 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 cylindrical vessel, what value of weld joint efficiency should be used ?

A. 0.8 B. 0.9 C. 1.0 D. (0.8)0.5...