M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

What is the Laplace transform of impulse input having magnitude „X‟ ?

A X
B X2
C 1/X
D 1
Correct Answer: 1

An aneroid barometer measures the _____________ pressure?

A Atmospheric
B Absolute
C Vacuum
D Gage
Correct Answer: Absolute

The unit of ‘time constant’ of a system is the same as that of___________________?

A Velocity
B Time
C (Time)-1
D None of these
Correct Answer: Time

____________ stability method uses open loop transfer function?

A Nyquist
B Mikhailov
C Ruth
D None of these
Correct Answer: Nyquist

Which of the following is not a differential pressure flow meter ?

A Rotameter
B Flow nozzle
C Orificemeter
D Venturimeter
Correct Answer: Rotameter

Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) ?

A V/nRT
B nRT/V
C nRT/P
D P/nRT
Correct Answer: V/nRT

Degree to which an instrument indicates the changes in measured variable without dynamic error is called its ___________________?

A Speed of response
B Reproducibility
C Fidelity
D Static characteristics
Correct Answer: Fidelity

Temperature measurement by optical pyrometer is done above ____________ point, which is 1063°C ?

A Antimony
B Gold
C Silver
D Nickel
Correct Answer: Gold

Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere ?

A Platinum-platinum + rhodium
B Iron-constantan
C Copper-constantan
D Chromel-alumel
Correct Answer: Platinum-platinum + rhodium

In an exothermic chemical reactor, the manipulated variable is the flow rate of_______________?

A Coolant
B Reactants
C Product
D None of these
Correct Answer: Coolant