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.

Industrial workers working in leather tanning & manufacturing units are prone to suffer from ___________________?
A Respiratory ailments (e.g. bronchitis)
B Skin diseases (e.g. dermatitis)
C Silicosis
D Blurred vision
Correct Answer: Skin diseases (e.g. dermatitis)
Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by_______________?
A Chlorination
B Treating in biological oxygen pond
C Chemical coagulation
D None of these
Correct Answer: Treating in biological oxygen pond
Ionisation potential employed in the industrial electrostatic precipitator is of the order of_______________?
A 30 to 70 kV DC
B 30 to 70 kV AC
C 230 V AC
D 230 V DC
Correct Answer: 30 to 70 kV DC
Noise level during normal conversation among men is about ______________ decibels?
A 10
B 45
C 90
D 115
Correct Answer: 45
Exposure to small amount of ______________ results in high blood pressure & heart disease in human beings?
A Hydrogen sulphide
B Mercury
C Cadmium
D Asbestos
Correct Answer: Cadmium
Which of the following acts as a natural source of air pollution ?
A Forest fire
B Deforestation
C Volcanic eruption
D None of these
Correct Answer: Volcanic eruption
Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes________________?
A Fading of dyes on textiles
B Corrosion, tarnishing & soiling of metals
C Reduced strength of textiles
D All A., B. and C.
Correct Answer: All A., B. and C.
Tri-sodium phosphate is used in boiler water treatment to reduce____________________?
A Turbidity
B Caustic embrittlement
C Suspended silica
D Dissolved oxygen
Correct Answer: Caustic embrittlement
Which of the following is the most major constituents of air pollutants ?
A Oxides of sulphur
B Oxides of nitrogen
C Carbon monoxide
D Hydrogen sulphide
Correct Answer: Oxides of sulphur
______________ cannot control the noise pollution ?
A Use of silencers
B Green house gases
C Vibration damping
D Tree plantation
Correct Answer: Green house gases