Chemical Engineering MCQs

6108 MCQs  (Page 30 of 611)

Attempt Chemical Engineering Quiz
The ratio of the shear stress to the principal stress on a principal plane is______________________?
A. 0
B. 1
C. 1/2
D. 1/3
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Machinability of hard alloys and tool steels is improved by_____________________?
A. Spheroidising
B. Annealing
C. Tempering
D. Normalising
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Runge-Kutta method is used to solve a/an __________________________?
A. Ordinary differential equation of nth order
B. Simultaneous non-linear equation
C. Linear differential equation
D. None of these
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_______________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten ?
A. Stellite
B. High speed steel
C. Cermet
D. Alnico
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The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?
A. 0.2
B. 0.4
C. 0.6
D. 0.8
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Which one of the following is incombustible ?
A. H2
B. Ccl4
C. C2h2
D. S
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As the fluid flow rate increases, the float of the Rotameter____________________?
A. Rises in the tube
B. Rotates at higher speed
C. Rotates at lower speed
D. Drops down in the tube
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High speed steel tools retain their hardness upto a temperature of __________________ °C?
A. 500
B. 750
C. 900
D. 1100
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Transformation range for ferrous material is the temperature interval during which ___________________ is formed during its heating?
A. Cementite
B. Austenite
C. Martensite
D. Pearlite
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Which of the following is not a charge material for cupola ?
A. Limestone
B. Iron scrap
C. Iron ore
D. Pig iron
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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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