Chemical Engineering MCQs

Page No. 807

Friction factor for fluid flow in pipe does not depend upon the________________?


aPipe length


bPipe roughness


cFluid density & viscosity


dMass flow rate of fluid


View Answer Pipe length

Which of the following is preferred for riveting ?


aLap joint


bButt joint


cEither A. or B.


dNeither A. nor B.


View Answer Butt joint

In case of simple harmonic motion, displacement is proportional to the_________________?


aVelocity


bAcceleration


cBoth A. & B.


dNeither A. nor B.


View Answer Acceleration

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_________________?


aLead


bGlass


cMica


dSilver


View Answer Lead

The best guide to judge the general quality of water is the measurement of its__________________?


apH value


bElectrical conductivity


cTurbidity


dDissolved oxygen content



The maximum thickness of the metal which can be welded using ultrasonic welding is _____________ mm ?


a0.5


b3


c10


d25


View Answer 3

All of the following alloying elements of steel increases hardness but sacrifice ductility, except________________?


aNickel


bVanadium


cMolybdenum


dChromium


View Answer Nickel

Stainless steel is welded using__________________?


aOxy-acetylene flame


bOxy-hydrogen flame


cArc welding


dInert gas arc welding


View Answer Inert gas arc welding

Fibre glass is a composite material of_________________?


aGlass fibre in a polymer matrix


bGlass fibre in a metallic matrix


cPolymer fibre in a glassy matrix


dBoth ‘b’ & ‘c’



One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m-1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is____________________?


a100


b900


c9000


d10000


View Answer 10000

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