Chemical Engineering Basics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Engineering Basics, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemical Engineering Basics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chemical Engineering Basics mcq questions that explore various aspects of Chemical Engineering Basics problems. Each MCQ is crafted to challenge your understanding of Chemical Engineering Basics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemical Engineering Basics MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemical Engineering Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chemical Engineering Basics knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Engineering Basics MCQs | Page 45 of 136

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Q441.
For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

a.

linearly

b.

exponentially

c.

logarithmically

d.

inversely

Discuss
Answer: (a).linearly
Q442.
Air standard Otto cycle is more efficient than the diesel cycle for the same

a.

heat addition & compression ratio.

b.

heat addition & pressure.

c.

compression ratio & pressure.

d.

cylinder dimension & rpm.

Discuss
Answer: (a).heat addition & compression ratio.
Q443.
In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

a.

percentage elongation

b.

brinell hardness

c.

tensile strength

d.

all 'a' , 'b' & 'c'

Discuss
Answer: (a).percentage elongation
Q444.
A suitable lubricant used for watches is

a.

metallic soap solution

b.

grease

c.

palm oil

d.

hazel-nut oil

Discuss
Answer: (d).hazel-nut oil
Q445.
Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

a.

white

b.

cast

c.

wrought

d.

pig

Discuss
Answer: (c).wrought
Q446.
A fluid is termed as the Newtonion fluid, when the shear stress is __________ the velocity gradient.

a.

independent of

b.

inversely proportional to

c.

directly proportional to

d.

none of these

Discuss
Answer: (c).directly proportional to
Q447.
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

a.

length of the pipe.

b.

diameter of the pipe.

c.

density of the fluid.

d.

velocity of the fluid.

Discuss
Answer: (a).length of the pipe.
Q448.
When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

a.

decreases & increases.

b.

increases & increases.

c.

increases & decreases.

d.

decreases & decreases.

Discuss
Answer: (a).decreases & increases.
Q449.
Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

a.

SiO₂

b.

Al₂O₃

c.

MnO₂

d.

P

Discuss
Answer: (a).SiO₂
Q450.
The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel.

a.

carbon

b.

manganese

c.

both a & b

d.

neither 'a' nor 'b'

Discuss
Answer: (a).carbon
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