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

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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

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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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