Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 18 of 48)

Attempt Materials and Construction Quiz
Clock pendulums are usually made of _______________ steel?
A. High speed
B. Stainless
C. Heat resisting
D. None of these
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Addition of nickel to copper improves its_________________?
A. Machinability
B. Ductility
C. Strength
D. Hardness
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Addition of ______________ in steel is helpful in increasing the depth of hardness?
A. Chromium
B. Sulphur
C. Vanadium
D. Tungsten
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Copper is dissolved from its ore by H2SO4 in a percolation tank made of_________________?
A. Wood
B. Stainless steel
C. Reinforced concrete lined with lead
D. High silicon iron (14% si)
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Gas holder of a gobar (cow-dung) gas plant is made of___________________?
A. Molybdenum stainless steel
B. Tin
C. Mild steel
D. Aluminium
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For storing water and acid free benzol, use a ______________ vessel?
A. Steel
B. Karbate
C. Stainless steel
D. None of these
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_____________________ is used for determining the tensile strength of steels ?
A. Hydraulic press
B. Universal testing machine
C. Mechanical press
D. None of these
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Softening of hardened steel is done by its_____________________?
A. Normalising
B. Tempering
C. Annealing
D. Carburising
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The ‘bomb’ in the bomb calorimeter is made of___________________?
A. Molybdenum stainless steel
B. Mild steel
C. High silicon iron (14% si)
D. Copper
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Hardened steel is softened by___________________?
A. Normalising
B. Tempering
C. Annealing
D. Carburising
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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