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.

The main constituent of rock phosphate is _____________________?
A Mono-calcium phosphate
B Di-calcium phosphate
C Fluorspar
D None of these
Correct Answer: Di-calcium phosphate
Base suspension fertiliser essentially contains___________________?
A 13% N2 and 43% P2O5
B 43% N2 and 13% P2O5
C 43% N2 and 13% K2O
D 43% K2O and 43% P2O5
Correct Answer: 13% N2 and 43% P2O5
Fertiliser value of a nitrogenous fertiliser is expressed in terms of its ______________ content?
A N2
B KNO3
C NO2
D NHO3
Correct Answer: N2
Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature___________________?
A Rate of reaction is very low
B Very high pressure is required resulting in costly pressure vessel
C Space velocity of gas is very low resulting in decreased conversion
D None of these
Correct Answer: Rate of reaction is very low
Triple superphosphate which contains about 46% P2O5 is produced by the reaction of phosphate rock with ortho phosphoric acid of_____________ percent concentration?
A 25-28
B 52-54
C 75-80
D > 98
Correct Answer: 52-54
Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the _______________ process?
A Haber’s
B Stengel
C Le-chatelier’s
D Du-pont’s
Correct Answer: Stengel
Triple superphosphate is chemically represented as_____________________?
A CaF2.3Ca3(PO4)2
B 3Ca3(PO4)2
C Ca(PO3)2
D Ca(H2PO4)2
Correct Answer: CaF2.3Ca3(PO4)2
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an _______________________ reaction?
A Catalytic
B Endothermic
C Exothermic
D Autocatalytic
Correct Answer: Exothermic
Reaction of dilute sulphuric acid with phosphate rock produces ____________________?
A Phosphoric acid
B Superphosphate
C Triple superphosphate
D Gypsum
Correct Answer: Phosphoric acid
Reaction of phosphate rock with 98% H2SO4 produces ______________________?
A Ortho-phosphoric acid
B Superphosphate
C White phosphorous
D None of these
Correct Answer: Ortho-phosphoric acid