Pick out the wrong statement?

1213Chemical EngineeringMedium

AKarbate is an acid resistant material of construction

BAlloys are harder than their component elements

CNichrome, a steel alloyed with 10% Ni and 20% Cr can be used upto a temperature of 1100°C

DPresence of silicon in steel decreases its electrical resistance

Correct answer

D. Presence of silicon in steel decreases its electrical resistance

Explanation

The correct answer is Presence of silicon in steel decreases its electrical resistance.

Related Chemical Engineering MCQs

View all 8342 MCQs →

MCQ #1215

Naphtha yield in straight run distillation of crude oil may be about ________ percent?

Ans: 6Read →

MCQ #1211

The value of fouling factor depends upon the________?

Ans: All A., B. and C.Read →

MCQ #1216

A typical example of a physical system with under damped characteristic is a________?

Ans: Spring loaded diaphragm valveRead →

MCQ #1210

Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is________?

Ans: 58.65Read →

MCQ #3298

The experimental response of the controlled variable y(t) for a step change of magnitude ‘P’ in the manipulated variable x(t) is shown below: The appropriate transfer function of the process is________?

Ans: (Q/P) e-TdS/(Q/R) (S + 1)Read →

MCQ #5384

Which of the following has maximum hydrogen/carbon ratio (by weight)?

Ans: GasolineRead →