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Chemical Engineering Basics

Chemical Engineering Basics
The most important material handling system in an integrated steel plant is the

Belt conveyor
Truck
Overhead hoists & cranes
Diesel locomotive

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Chemical Engineering Basics
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Gr, Gr0.25
Gr0.33, Gr0.25
Gr0.25, Gr0.33
Gr0.25, Gr

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Chemical Engineering Basics
Ignition of fuel in a diesel engine is by

Fuel injection
None of these
Hot compressed air
Spark

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

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Chemical Engineering Basics
A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/seC₂ is

8.82
10.88
0.95
9.81

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Chemical Engineering Basics
Consideration of the creep is the most important in case of the

Flywheel of steam engine
Piston of an I. C. engine
Cycle chain
Blades of gas turbine

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