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.

Which of the following heat treatment processes is usually applied to castings ?
A Tempering
B Annealing
C Normalising
D Carburising
Correct Answer: Carburising
A material is capable of resisting softening at high temperature, because of its property termed as____________________?
A Hot temper
B Hot hardness
C Fatigue
D Creep
Correct Answer: Hot hardness
When an isolated thermodynamic system executes a process ___________________?
A Work is done
B Heat transfer takes place
C Mass flow occurs across the boundary of the system
D No chemical reaction takes place within the system
Correct Answer: No chemical reaction takes place within the system
The main constituent of bones is ______________________?
A CaF2
B Ca3(PO4)2
C CaCO3
D CaCl2
Correct Answer: Ca3(PO4)2
Which of the following alloying elements is present in maximum percentage in high speed steel ?
A Molybdenum
B Chromium
C Tungsten
D Vanadium
Correct Answer: Molybdenum
Baffles provided on the shell side of a shell and tube heat exchanger are meant for _____________________?
A Providing support for the tubes
B Improving heat transfer
C Both A & B
D Preventing the fouling of tubes & stagnation of shell side fluid
Correct Answer: Both A & B
While the bin cards are used in the effective stores management, the queuing theory is associated with the _______________ time ?
A Waiting
B Idle
C Inspection
D Tool replacement
Correct Answer: Waiting
______________________ iron is produced by the annealing of white cast iron?
A Malleable
B Nodular
C Ductile
D Grey
Correct Answer: Malleable
With increase in impurities in metals, their corrosion resistances____________________?
A Increase
B Decrease
C Remain same
D May increase or decrease; depending on the type of metal
Correct Answer: Decrease
In the blast furnace, incorporation of water vapour in the blast gives the following effect ?
A Increases the reducing potential of the gas
B Increases the flame temperature
C No significant change occurs
D Increases the hydrogen content in the metal
Correct Answer: Increases the reducing potential of the gas