Chemical Engineering MCQs

A. Temperature remains constant
B. Compressibility is greater than zero
C. Density does not change with pressure & temperature
D. Is frictionless

A. Velocity head
B. Pressure
C. Point velocity
D. None of these

A. H1/2
B. H5/2
C. H2/5
D. H3/2

A. Reciprocating
B. Centrifugal
C. Volute
D. Rotary vacuum

A. For reynolds number greater than 300
B. When there is no vortex formation
C. For unbaffled tank
D. None of these

A. Very precise control of
B. Unidirectional
C. Multidirectional
D. None of these

A. Fluid particles move in an orderly manner
B. Momentum transfer is on molecular scale only
C. Shear stress is caused more effectively by cohesion than momentum transfer
D. Shear stresses are generally larger than in a similar laminar flow

A. Total pressure
B. Total energy
C. Velocity head
D. None of these

A. That is traced by all the fluid particles passing through a given point
B. Along which a fluid particle travels
C. Such that at every point on it, the velocity is tangential to it
D. None of these

A. Reynolds number at the orifice
B. Ratio of orifice dia to pipe dia
C. Both a. and b.
D. None of the above parameters, and has a constant value of 0.61