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Chemical Engineering Basics

Chemical Engineering Basics
__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Alumina
Magnesia
Zirconia
Beryllia

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Chemical Engineering Basics
Routing in production, planning & control is concerned with the

Sequence of operation to be performed
Progress of work performed
Authorisation of work to be performed
Balancing of load on machines

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Chemical Engineering Basics
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

0.44
0.33
0.25

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Chemical Engineering Basics
Buoyancy force depends on the __________ the liquid.

Viscosity of
Depth of immersion in
Displaced mass of
Surface tension of

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Chemical Engineering Basics
Which of the following is an example of cathodic protection of metals against corrosion ?

Case hardened steel
Painted steel
Lead lined reactor
Galvanised iron

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Chemical Engineering Basics
For the same heat input & compression ratio, efficiency of Otto cycle is higher than that of diesel cycle, because in Otto cycle.

Heat rejection is lower
Maximum temperature is higher
Combustion is at constant volume
Expansion & compression are isentropic

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