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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

In chemical dehumidification of air___________________?
A Both specific humidity & dry bulb temperature increases
B Both specific humidity & dry bulb temperature decreases
C Specific humidity decreases & dry bulb temperature increases
D Specific humidity increases & dry bulb temperature decreases
Correct Answer: Specific humidity decreases & dry bulb temperature increases
Fire refining process is employed in case of___________________?
A Tin
B Copper
C Zinc
D Aluminium
Correct Answer: Copper
The two elements required to form substitutional solid solution should not have___________________?
A Same crystalline structure
B Same valency
C Widely differing electronegativity
D Same atomic sizes
Correct Answer: Widely differing electronegativity
The temperature at which ferromagnetic material can no longer be magnetized by the outside forces, is termed as the____________________?
A Critical point
B Curie temperature
C Inversion temperature
D Eutectic temperature
Correct Answer: Curie temperature
Wohler test is a destructive test to find out the ___________________ strength of a prepared metal specimen ?
A Creep
B Fatigue
C Endurance
D Tensile
Correct Answer: Fatigue
Primary designation of steel is based on its__________________?
A Hardness & tensile strength
B Carbon content
C Iron content
D Alloying elements content
Correct Answer: Alloying elements content
Powder metallurgy is used to produce__________________?
A High precision components with complex cavities and sharp features
B Components of large size
C Porosity free components
D Components of such alloys whose constituents do not form alloys readily
Correct Answer: Porosity free components
The most important function of a washer is to provide bearing area and washers are normally specified by their hole diameters. The diameter of washer as compared to the nut is__________________?
A More
B Less
C Same
D More but less than the diameter of bolt
Correct Answer: More
Moist climate is the most favourable factor in the site selection far a_________________?
A Steel plant
B Textile factory
C Petroleum refinery
D Coke oven battery
Correct Answer: Textile factory
Cold cracking in the heat affected zone of a high strength steel weld can take place because of the___________________?
A Retained austenite
B Martensite formation
C Relatively high sulphur content in the base metal
D Sufficient hydrogen present in the welding arc
Correct Answer: Martensite formation
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