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.

Speisses is a mixture of the following ?
A Arsenides of heavy metals
B Antimonides of heavy metals
C Arsenides & antimonides of heavy metals
D Iron, cobalt and nickel
Correct Answer: Arsenides of heavy metals
Factor of safety in machine design is defined as the ratio of ultimate stress to _____________ stress ?
A Working
B Bearing
C Yield
D None of these
Correct Answer: Working
Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the ______________ temperature of air?
A Wet bulb
B Dry bulb
C Saturation
D Dew point
Correct Answer: Wet bulb
The elastic strain in copper is due to the__________________?
A Motion of dislocations
B Stretching of atomic bonds
C Breakage of atomic bonds
D None of the above
Correct Answer: Motion of dislocations
Which of the following fastening devices has a head at one end and a nut fitted to the other ?
A Bolt
B Stud
C Top bolt
D None of these
Correct Answer: Stud
Chromium molybdenum steel cannot be welded using ______________ welding ?
A Thermit
B Electrical resistance
C Oxy-acetylene
D Any of these
Correct Answer: Electrical resistance
Nitriding of a steel part does not increase its__________________?
A Grain size
B Fatigue limit
C Surface hardness
D Wear resistance
Correct Answer: Grain size
Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by_________________?
A Conduction
B Convection
C Radiation
D Both A. & B.
Correct Answer: Radiation
Evaporative cooling process employs a combination of cooling and humidification in which the____________________?
A Sensible heat is added
B Sensible heat is removed and the latent heat is added
C Latent heat is removed
D Sensible heat is added and latent heat is removed
Correct Answer: Sensible heat is removed and the latent heat is added
Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?
A Tempering
B Hardening
C Annealing
D Normalising
Correct Answer: Annealing