Materials and Construction MCQs

479 MCQs  — Chemical Engineering MCQs  (Page 26 of 48)

Attempt Materials and Construction Quiz
Molten phthalic anhydride is stored in a/an _______________ vessel?
A. Aluminium
B. Nickel clad steel
C. Lead lined steel
D. Glass lined steel
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Cermets are ______________ materials?
A. Refractory
B. Reinforced
C. Abrasive
D. Fully metallic
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Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as_____________________?
A. Sherardizing
B. Parkerising
C. Anodising
D. None of these
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Galvanised iron is___________________?
A. Harder
B. Protected from rusting
C. Alumina coated iron
D. None of these
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Most common stainless steel type 316, which is highly resistant to corrosion contains______________?
A. 16-13% cr 10-14% ni and 2-3% mo
B. 20-22% cr, and 8-10% ni
C. 2-4% cr, 22% ni and 2-4% mo
D. None of these
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Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and_________________?
A. Moving mercury and graphite
B. Graphite and moving mercury
C. Moving mercury and carbon
D. Moving mercury and crimped steel wire
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The material of construction of pressure mills used for squeezing out the juice from sugar cane is__________________?
A. Stainless steel
B. Cast iron
C. Mild steel
D. Monel
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Addition of ______________ to the steel helps in increasing the residual magnetism in steel used for making magnets?
A. Chromium
B. Nickel
C. Tungsten
D. Cobalt
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Caustic soda can be stored in _____________ drums?
A. Steel
B. Cast iron
C. Brass
D. Gun metal
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Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ?
A. Invar
B. Constantan
C. Chromel
D. Alumel
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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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