A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is________________?

Related Mcqs:

For a 25 mm hole drilled in plates to be riveted, the shank diameter of the rivet should be _______________ mm?

A. 25 B. 23 C. 26 D. 27...

The thermal stress in a metallic bar does not depend upon the_____________________?

A. Changes in temperature B. Cross-sectional area C. Both A. and B. D. Neither A. nor B....

Vertical vessels are not supported by____________________?

A. Brackets B. Skirts C. Columns D. Saddles...

The ends of a cylindrical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure ?

A. Flat plate B. Hemispherical C. Torispherical D. Ellipsoidal...

Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 – 1.4 cp and relative volatility < 4) (where ε = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi) ?

A. η = 17 – 61.1 log μ B. η = 24.6 (Δp/μ) C. η = 1.66 – 0.25 log μ D. η = 0.25 log μ – 1.67...