Chemical Engineering MCQs

Page No. 815

As the fluid flow rate increases, the float of the Rotameter____________________?


aRises in the tube

✓


bRotates at higher speed

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cRotates at lower speed

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dDrops down in the tube

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View Answer Rises in the tube

Which one of the following is incombustible ?


aH2

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bCCl4

✓


cC2H2

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dS

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View Answer CCl4

The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?


a0.2

✓


b0.4

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c0.6

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d0.8

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View Answer 0.2

_______________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten ?


aStellite

✓


bHigh speed steel

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cCermet

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dAlnico

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View Answer Stellite

Runge-Kutta method is used to solve a/an __________________________?


aOrdinary differential equation of nth order

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bSimultaneous non-linear equation

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cLinear differential equation

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dNone of these

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Machinability of hard alloys and tool steels is improved by_____________________?


aSpheroidising

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bAnnealing

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cTempering

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dNormalising

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View Answer Annealing

The ratio of the shear stress to the principal stress on a principal plane is______________________?


a0

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b1

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c1/2

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d1/3

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View Answer 0

Which of the following is a commonly used manometric liquid for low pressure range ?


aEthyl alcohol

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bCarbon tetrachloride

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cGlycerol

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dEthylene glycol

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View Answer Carbon tetrachloride

_______________ has a negative co-efficient of linear expansion?


aIron

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bCopper

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cRubber

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dNickel

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View Answer Copper

Maximum permissible sulphur content in steel is ______________ percent ?


a0.015

✓


b0.055

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c0.505

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d0.805

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View Answer 0.015

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