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Chemical Engineering Basics

Chemical Engineering Basics
Thermal efficiency of an internal combustion engine is around __________ percent.

65
80
8
35

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Chemical Engineering Basics
The most detrimental impurity in high pressure boiler feed water is

Silica
Suspended salt
Dissolved salt
Turbidity

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Chemical Engineering Basics
During sensible cooling of air, its wet bulb temperature

Increases & the dew point decreases
Increases but dew point remains constant
Decreases but dew point remains constant
Decreases & the dew point increases

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Chemical Engineering Basics
Steel produced from phosphatic iron is __________ in nature.

Malleable
Ductile
Tough
Brittle

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Chemical Engineering Basics
Oxygen cylinders used for autogenous (cutting/welding) purposes are

Welded steel cylinders
Seamless & made of steel
Heat treated before use
Made by sand casting

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

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

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