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Chemical Engineering Basics MCQs

Chemical Engineering Objective Questions

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246. Earing is a defect found in steels after the following metal working operation (s).
A. Deep drawing
B. Rolling
C. Extrusion
D. Wire drawing
Discussion
247. The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
A. 60 - 100
B. 400 - 700
C. 1200 -1500
D. 2000 - 2300
Discussion
248. Sudden immersion/dipping of red hot steel bar in water makes it
A. Malleable & tough
B. Ductile & soft
C. Brittle & hard
D. None of these
Discussion
249. The product out from a cupola is called
A. Wrought iron
B. Pig iron
C. Cast iron
D. None of these
Discussion
250. A jet engine turbine blade is normally manufactured by
A. Forging
B. Shell moulding
C. Investment casting
D. Pressure die casting
Discussion
251. Energy of the sun arises mainly from __________ reactions.
A. Fusion
B. Fission
C. Combustion
D. None of these
Discussion
252. LASER
A. Stands for Light Amplification by Stimulated Emission of Radiation
B. Has the same intensity as visible light
C. Can't be used for cutting metals
D. None of these
Discussion

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