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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

Carbon percentage is the same in cast iron and_________________?
A Wrought iron
B Pig iron
C Mild steel
D High silicon (14%) iron
Correct Answer: Pig iron
Nickel (56%) and molybdenum (17%) alloys are called________________?
A Monel
B Hastelloy C
C Inconel
D Bronzes
Correct Answer: Hastelloy C
Specify the material of construction suitable for handling concentrated HNO3 at 100°C ?
A High silicon iron, Kel-F and Teflon
B Tin and wood
C Silicone rubber
D Stainless steel
Correct Answer: High silicon iron, Kel-F and Teflon
Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?
A Tungsten steel
B Molybdenum steel
C Nickel-chrome steel
D Cobalt steel
Correct Answer: Nickel-chrome steel
Heavy duty bearings are usually made of___________________?
A White metal
B Phosphorous bronze
C Monel
D Zinc
Correct Answer: White metal
Pure nickel is___________________?
A Ferromagnetic above its curie point (i.e., 415°C)
B Having h.c.p. crystal lattice
C Ferromagnetic at room temperature
D Not resistant to oxidation at high temperature
Correct Answer: Ferromagnetic at room temperature
White metal is an alloy of___________________?
A Lead, tin and cadmium
B Copper, tin and zinc
C Copper and lead
D None of these
Correct Answer: None of these
Fatigue strength of a material increases by_____________________?
A Having notches in the specimen
B Rise in temperature
C Under stressing the specimen
D Having scratches on the surface
Correct Answer: Under stressing the specimen
An elastic behaviour of materials is expressed in terms of_______________?
A Hysteresis loop area
B Stress-strain curve
C Relaxation time
D None of these
Correct Answer: Relaxation time
The formation of oxide film on a metal due to atmospheric exposure reduces its____________?
A Toughness
B Stiffness
C Creep limit
D All A., B. & C.
Correct Answer: Creep limit
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