Chemical Engineering Basics
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

Length of the pipe
Velocity of the fluid
Density of the fluid
Diameter of the pipe

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Chemical Engineering Basics
Which of the following is not a characteristic observed in material failure by fatigue fracture ?

Initiation of crack from below the surface does not occur
Plastic deformation of material does not occur
Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface
Initation of crack occurs on the surface of the machine part

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Chemical Engineering Basics
Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

Counter flow with unequal heat capacities
Parallel flow with unequal heat capacities
Counter flow with equal heat capacities
Parallel flow with equal heat capacities

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