(Le/D) for couplings and unions would be_______________?

Related Mcqs:

The longitudinal stress induced in a thin walled cylindrical vessel under internal pressure is_________________?

A. pd/2t B. pd/4t C. pd/t D. pd/8t...

In a _____________ riveted joint, the number of rivets decreases from the innermost row to the outermost row?

A. Chain B. Diamond C. Zig-zag D. None of these...

For identical situation, condensing film coefficient in case of a horizontal condenser is almost ______________ the value expected in case of vertical condenser?

A. Half B. Twice C. Thrice D. Five times...

To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of_________________?

A. (1.2)3/2 B. (1.2)3/5 C. (1.2)2/3 D. (1.2)5/3...

In actual operation of a bubble cap distillation tower, the ______________ at the bottom of the tower is more than that at the top of the tower?

A. Molal flow rate of vapour B. Vapour molecular weight C. Pressure and temperature D. All A., B. and C....