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.

A material in which the atoms are arranged regularly in some directions but not in others, is termed as ‘mesomorphous material’; an example of which is_________________?

A Lead
B Glass
C Mica
D Silver
Correct Answer: Lead

The best guide to judge the general quality of water is the measurement of its__________________?

A pH value
B Electrical conductivity
C Turbidity
D Dissolved oxygen content
Correct Answer: Electrical conductivity

The maximum thickness of the metal which can be welded using ultrasonic welding is _____________ mm ?

A 0.5
B 3
C 10
D 25
Correct Answer: 3

All of the following alloying elements of steel increases hardness but sacrifice ductility, except________________?

A Nickel
B Vanadium
C Molybdenum
D Chromium
Correct Answer: Nickel

Stainless steel is welded using__________________?

A Oxy-acetylene flame
B Oxy-hydrogen flame
C Arc welding
D Inert gas arc welding
Correct Answer: Inert gas arc welding

Fibre glass is a composite material of_________________?

A Glass fibre in a polymer matrix
B Glass fibre in a metallic matrix
C Polymer fibre in a glassy matrix
D Both ‘b’ & ‘c’
Correct Answer: Glass fibre in a polymer matrix

One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m-1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is____________________?

A 100
B 900
C 9000
D 10000
Correct Answer: 100

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about ____________ MeV?

A 20
B 200
C 500
D 2000
Correct Answer: 20

On being hit with a hammer, ___________________ will readily fracture?

A Brass
B Mild steel
C Cast iron
D Lead
Correct Answer: Cast iron

The usual energy consumption in electric arc furnace steel making is _____________ KWh/ton of steel ?

A 60 – 100
B 400 – 700
C 1200 -1500
D 2000 – 2300
Correct Answer: 400 – 700