Chemical Engineering:: Chemical Engineering Basics

When the wavelength of incident X-rays increases, the angle of diffraction

A. decreases.
B. increases.
C remains constant.
D. shows no systematic variation.

Sudden fall of atmospheric pressure by a large amount is an indication of the

A. rain
B. cold wave
C storm
D. fair weather

Which of the following fastening devices has a head at one end and a nut fitted to the other ?

A. Bolt
B. Stud
C Top bolt
D. None of these

Energy of the sun arises mainly from __________ reactions.

A. fusion
B. fission
C combustion
D. none of these

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

A. parabolic
B. hyperbolic
C straight line
D. none of these

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