Chemical Engineering Mcqs

E.m.f. generated by thermocouples is of the order of ________________?

(A) Milli volts
(B) Micro volts
(C) Volts
(D) Kilo volts

Submitted By :Ali Uppal

Liquid argon level in a pressurised storage tank (at 3 kg/cm2) is measured by a/an ____________________?

(A) Gage glass
(B) External float gage
(C) Differential pressure gage
(D) None of these

Submitted By :Ali Uppal

Mercury manometer (U-tube type) exemplifies a ______________ order system?

(A) Zero
(B) First
(C) Second
(D) Third

Submitted By :Ali Uppal

Which of the following is not a mechanical pressure sensing element ?

(A) Bellows
(B) Diaphragm
(C) Bourdon tube
(D) U-tube

Submitted By :Ali Uppal

The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an _____________ thermocouple?

(A) Chromel-alumel
(B) Iron-constantan
(C) Platinum-platinum/rhodium
(D) None of these

Submitted By :Ali Uppal

Thermal conductivity cell is the primary element of a/an _____________ analyser?

(A) Oxygen
(B) Carbon dioxide
(C) Carbon monoxide
(D) Sulphur dioxide

Submitted By :Ali Uppal

The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly__________________?

(A) Linear
(B) Non-linear
(C) Parabolic
(D) Hyperbolic

Submitted By :Ali Uppal

For an input forcing function, X(t) = 2t2, the Laplace transform of this function is________________?

(A) 2/s2
(B) 4/s2
(C) 2/s3
(D) 4/s3

Submitted By :Ali Uppal

The unit step response of the transfer function 1/(s2 + 2s + 3) _______________________?

(A) Has a non-zero slope at the origin
(B) Has a damped oscillatory characteristics
(C) Is overdamped
(D) Is unstable

Submitted By :Ali Uppal

The operation of a Rotameter is based on ________________?

(A) Variable flow area
(B) Rotation of a turbine
(C) Pressure drop across a nozzle
(D) Pressure at a stagnation point

Submitted By :Ali Uppal

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