M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

thumb

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.

A steel member used in the furnace construction to take the thrust of the brickwork is called___________________?
A Buckstay
B Breast wall
C Armouring
D Baffle
Correct Answer: Buckstay
Basic bricks are not made of ___________________?
A Fireclay
B Magnesite
C Forsterite
D Chromite
Correct Answer: Fireclay
Pyrometric cone equivalent (PCE) value (Segar cone) of ‘Superduty refractories’ is more than 33 which corresponds to a temperature of _____________ °C?
A 1520
B 1630
C 1670
D 1730
Correct Answer: 1730
High thermal conductivity of a refractory material is not important, when it is to be used in the______________________?
A Coke oven regenerators
B Muffle furnace
C Blast furnace
D Recuperators
Correct Answer: Blast furnace
Magnesite bricks are used in those parts of furnaces, which are __________________?
A Subjected to temperature fluctuation
B Required to resist corrosive basic slag
C Subjected to high load
D None of these
Correct Answer: Required to resist corrosive basic slag
Fireclay bricks are never used in the______________?
A Beehive oven
B Coke oven walls
C Zinc roaster
D Lead blast furnace
Correct Answer: Coke oven walls
Resistance to slag attack of a refractory _____________________?
A Depends on the nature of slag & refractory
B Decreases at higher temperature
C Decreases, if defective joints & cracks exist in the refractory
D All A., B. and C.
Correct Answer: All A., B. and C.
Which is not an alumino-silicate refractory ?
A Fireclay bricks
B Mullite bricks
C Tar dolomite bricks
D High alumina bricks
Correct Answer: Tar dolomite bricks
An indication of degree of firing in silica brick is its____________________?
A Specific gravity
B Fusion point
C RUL
D None of these
Correct Answer: Specific gravity
Which refractory must have controlled atmosphere (temperature and humidity) for its safe storage ?
A Tar bonded dolomite bricks
B Fireclay bricks
C Mullite bricks
D Magnesite bricks
Correct Answer: Tar bonded dolomite bricks