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


cRotates at lower speed


dDrops down in the tube


View Answer Rises in the tube

Which one of the following is incombustible ?


aH2


bCCl4


cC2H2


dS


View Answer CCl4

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


a0.2


b0.4


c0.6


d0.8


View Answer 0.2

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


aStellite


bHigh speed steel


cCermet


dAlnico


View Answer Stellite

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


aOrdinary differential equation of nth order


bSimultaneous non-linear equation


cLinear differential equation


dNone of these



Machinability of hard alloys and tool steels is improved by_____________________?


aSpheroidising


bAnnealing


cTempering


dNormalising


View Answer Annealing

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


a0


b1


c1/2


d1/3


View Answer 0

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


aEthyl alcohol


bCarbon tetrachloride


cGlycerol


dEthylene glycol


View Answer Carbon tetrachloride

_______________ has a negative co-efficient of linear expansion?


aIron


bCopper


cRubber


dNickel


View Answer Copper

Maximum permissible sulphur content in steel is ______________ percent ?


a0.015


b0.055


c0.505


d0.805


View Answer 0.015

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