Chemical Engineering MCQs

6108 MCQs  (Page 38 of 611)

Attempt Chemical Engineering Quiz
Stainless steel is welded using__________________?
A. Oxy-acetylene flame
B. Oxy-hydrogen flame
C. Arc welding
D. Inert gas arc welding
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All of the following alloying elements of steel increases hardness but sacrifice ductility, except________________?
A. Nickel
B. Vanadium
C. Molybdenum
D. Chromium
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The maximum thickness of the metal which can be welded using ultrasonic welding is _____________ mm ?
A. 0.5
B. 3
C. 10
D. 25
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The best guide to judge the general quality of water is the measurement of its__________________?
A. Ph value
B. Electrical conductivity
C. Turbidity
D. Dissolved oxygen content
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A material in which the atoms are arranged regularly in some directions but not in others, is termed as ‘mesomorphous material’; an example of which is_________________?
A. Lead
B. Glass
C. Mica
D. Silver
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In case of simple harmonic motion, displacement is proportional to the_________________?
A. Velocity
B. Acceleration
C. Both a. & b.
D. Neither a. nor b.
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Which of the following is preferred for riveting ?
A. Lap joint
B. Butt joint
C. Either a. or b.
D. Neither a. nor b.
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Friction factor for fluid flow in pipe does not depend upon the________________?
A. Pipe length
B. Pipe roughness
C. Fluid density & viscosity
D. Mass flow rate of fluid
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Alloys having more than 80% copper are generally more______________________?
A. Abrasion resistant
B. Corrosion resistant
C. Prone to season cracking
D. Machinable
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__________________ is used for tying the steel columns to concrete foundation?
A. Grouting
B. Eyebolt
C. Anchor bolts
D. Refractory castables
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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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