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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

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

A Venturimeter

B Orificemeter

C Magnetic flow meter

D Hot wire anemometer

Review Detailed Answer

Correct Answer: Magnetic flow meter

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

A Zero

B 1st

C 2nd

D 3rd

Review Detailed Answer

Correct Answer: 1st

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

A Overdamped

B Critically damped

C Underdamped

D Highly fluctuating

Review Detailed Answer

Correct Answer: Critically damped

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

A 120°

B 30°

C 180°

D 90°

Review Detailed Answer

Correct Answer: 90°

Hot wire anemometer is used for the measurement of___________________?

A Flow rates of fluids

B Flow rates of granular solids

C Very high temperature

D Thermal conductivity of gases

Review Detailed Answer

Correct Answer: Flow rates of fluids

Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is________________?

A Chromel-alumel

B Iron-constantan

C Platinum-platinum + rhodium

D None of these

Review Detailed Answer

Correct Answer: Chromel-alumel

Which of the following is never used as an element of industrial resistance thermometer ?

A Lead

B Nickel

C Copper

D 30% iron + 70% nickel

Review Detailed Answer

Correct Answer: Lead

Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an_______________?

A Chromel-alumel thermocouple

B Optical pyrometer

C Radiation pyrometer

D Either B. or C.

Review Detailed Answer

Correct Answer: Either B. or C.

Liquid flow rate in an open channel cannot be measured by a/an __________________?

A Orifice meter

B Cipolletti weir

C Rectangular weir

D V-notch

Review Detailed Answer

Correct Answer: Orifice meter

Conversion formula for converting amplitude ratio (AR) into decibels is ________________?

A Decibel = 20 log10 (AR)

B Decibel = 20 loge (AR)

C Decibel = 20 log10 (AR)0.5

D Decibel = 20 loge (AR)0.5

Review Detailed Answer

Correct Answer: Decibel = 20 log10 (AR)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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

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

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

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

Hot wire anemometer is used for the measurement of___________________?

Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is________________?

Which of the following is never used as an element of industrial resistance thermometer ?

Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an_______________?

Liquid flow rate in an open channel cannot be measured by a/an __________________?

Conversion formula for converting amplitude ratio (AR) into decibels is ________________?