Chemical Engineering MCQs

Page No. 399

The ______________ of a vapor pressure thermometer is a primary element?


aPointer

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bBourdon tube

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cBulb

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dNone of these

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View Answer Bulb

Mass spectrometer is used for the composition analysis of____________________?


aAlloys

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bSolids

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cIsotopes

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dNone of these

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View Answer Isotopes

Specific gravity of a liquid cannot be measured by a/an __________________?


aAnemometer

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bSpecific gravity bottle

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cPycnometer

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dHydrometer

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View Answer Anemometer

Which of the following thermocouple materials does not contain nickel ?


aAlumel

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bChromel

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cConstantan

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dNone of these

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View Answer None of these

Platinum resistance thermometer is the international standard for temperature measurement between __________________?


aTriple point of hydrogen and freezing point of antimony

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b13.81°K to 903.9°K

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cBoth A. and B.

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dNeither A. nor B.

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View Answer Both A. and B.

Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an ________________?


aVenturimeter

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bVenturimeter

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cMagnetic flow meter

✓


dHot wire anemometer

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View Answer Magnetic flow meter

A system with transfer function [(2S/4S) + 1] is of _____________ order?


aZero

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b1st

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c2nd

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d3rd

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View Answer 1st

When the damping co-efficient (ξ) is unity, the system is __________________?


aOverdamped

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bCritically damped

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cUnderdamped

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dHighly fluctuating

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View Answer Critically damped

Phase lag of the sinusoidal response of a first order system is _________________?


a120°

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b30°

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c180°

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d90°

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View Answer 90°

Hot wire anemometer is used for the measurement of___________________?


aFlow rates of fluids

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bFlow rates of granular solids

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cVery high temperature

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dThermal conductivity of gases

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View Answer Flow rates of fluids

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