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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

Consideration of the creep is the most important in case of the_____________________?
A Blades of gas turbine
B Piston of an I. C. engine
C Flywheel of steam engine
D Cycle chain
Correct Answer: Blades of gas turbine
Fine grained steels have____________________?
A High brittleness
B Higher tendency to distort
C High ductility
D None of these
Correct Answer: High ductility
If Reynolds number is greater than 1, then the_____________________?
A Viscous force is larger than the inertia force
B Inertia force is larger than the viscous force
C Inertia force is larger than the surface tension force
D Inertia force is larger than the gravitational force
Correct Answer: Inertia force is larger than the viscous force
Normalising of an object does not________________________?
A Refine coarse grain structure obtained during hot working
B Improve ductility
C Improve yield strength
D Improve mechanical properties
Correct Answer: Improve ductility
As per international norms, the maximum permissible value of noise level in the industrial environment is _____________ decibels as measured at a distance of 1.5 meters from the source of noise?
A 110
B 85
C 60
D 45
Correct Answer: 85
The delivery pressure of boiler feed water pump compared to the boiler steam pressure is___________________?
A Same
B Slightly less
C Slightly more
D Much more
Correct Answer: Slightly more
The trace metal present in insulin is____________________?
A Cu
B Zn
C Fe
D Ni
Correct Answer: Zn
For a first order chemical reaction, the concentration of the reactant decreases __________________ with time?
A Linearly
B Exponentially
C Logarithmically
D Inversely
Correct Answer: Linearly
High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from _______________ percent ?
A 5 to 10
B 15 to 25
C 45 to 50
D 75 to 80
Correct Answer: 45 to 50
Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be_______________?
A More
B Less
C Same
D Either more or less; depends on the climatic conditions
Correct Answer: Less
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