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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.

All Topics  9594

Thermistors which have a very high temperature co-efficient of resistivity belong to the class of solid called________________?
A Dielectrics
B Insulators
C Semi conductors
D Conductors
Correct Answer: Semi conductors
Gain margin is equal to the_________________?
A Amplitude ratio
B Reciprocal of amplitude ratio
C Gain in P controller
D Gain in P-I controller
Correct Answer: Reciprocal of amplitude ratio
Which of the following shows maximum dip effect (indicating reverse direction of temperature change) ?
A Mercury thermometer
B Radiation pyrometer
C Bimetallic thermometer
D Thermocouple
Correct Answer: Mercury thermometer
Composition of natural gas is determined by the_________________?
A Haldane apparatus
B Mass spectrometer
C Chromatograph
D Both B. and C.
Correct Answer: Both B. and C.
Photoelectric pyrometers are suitable in the temperature range of ________________ °C?
A 400-1600
B 800-1600
C 800-2500
D 400-1000
Correct Answer: 800-1600
Flame photometry is used for the determination of compositional analysis of_______________?
A Solids
B Alkali metals
C Natural gas
D Isotopes
Correct Answer: Alkali metals
In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the _____________ variable?
A Load
B Manipulated
C Controlled
D None of these
Correct Answer: Controlled
Continuous measurement of specific gravity of a liquid is done by __________________?
A Hydrometer
B Contact-type electric indicators
C Displacement meter
D Both A. and C.
Correct Answer: Both A. and C.
Which of the following is not classified as a thermo electric pyrometer ?
A Resistance thermometer
B Thermocouple
C Optical pyrometer (disappearing filament type)
D Radiation pyrometer
Correct Answer: Optical pyrometer (disappearing filament type)
If response of a control system is to be free of offset and oscillation, the most suitable controller is_________________?
A Proportional controller
B Proportional-derivative (PD) controller
C Proportional-integral (PI) controller
D Proportional integral-derivative (PID) controller
Correct Answer: Proportional integral-derivative (PID) controller
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