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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

Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?
A Sinter
B Coke
C Iron ore
D Limestone
Correct Answer: Coke
Constituents of stellite are ____________________?
A Zinc, copper & nickel
B Cobalt, chromium & tungsten
C Zinc, aluminium & nickel
D Nickel, cobalt & vanadium
Correct Answer: Cobalt, chromium & tungsten
Which of the following pairs is not correctly matched ?
A Uranium – 233 : Fertile material
B Binding energy : Mass defect
C Scattering: Absorption cross-section
D Number of nucleons : Mass number
Correct Answer: Uranium – 233 : Fertile material
When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the _________________?
A Partial pressure of water vapour is less than the total pressure
B Humidity is < 100% & dew point temperature of air has not reached
C Dew point temperature of air has not reached & air is not saturated fully
D Air is fully saturated
Correct Answer: Air is fully saturated
Specific gravity of hot metal (pig iron) is ______________ times that of the blast furnace slag ?
A 2
B 3
C 0.8
D 6
Correct Answer: 3
What happens, when SO2 is passed through a solution of H2S in water ?
A Precipitation of sulphur takes place
B H2SO3 is formed
C Oleum is formed
D None of these
Correct Answer: Precipitation of sulphur takes place
Pick out the wrong statement?
A Complete unity of command exists in a line organisation
B Line organisation is net suitable for expansion and growth of an industry
C In line and staff organisation, “line” executes and “staff directs
D None of these
Correct Answer: None of these
Identify the false statement?
A Martensitic steels are less susceptible to pitting corrosion than austenitic steels
B Pitting corrosion is usually very localised
C Hydrogen embrittlement is facilitated by tensile stress
D Stress corrosion cracking is facilitated by tensile stress
Correct Answer: Martensitic steels are less susceptible to pitting corrosion than austenitic steels
Steels with high carbon equivalent have poor Weldability, because in these steels during welding________________?
A Carbon and other alloying elements get oxidised from the weld pool
B Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld
C Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
D Segregation of carbon and other element occurs in the weld pool leading to poor properties of
Correct Answer: Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld
Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium_______________?
A Nitrate
B Sulphate
C Carbonate
D Chloride
Correct Answer: Nitrate
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