M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

thumb

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