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Chemical Engineering Basics MCQ Question with Answer

Chemical Engineering Basics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

Reynolds number (based on sphere diameter) should be < 1
Flow around the sphere should be in turbulent region
Sphere must be metallic
Fluid density should be constant

Question No : 9
The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

A
D
1/A
1/A2

Question No : 10
Out of the following, the most malleable material is

Copper
Aluminium
Wrought iron
Lead

Question No : 11
Pick out the wrong statement.

For a pressure vessel to be classified as 'thin vessel', the ratio of wall thickness to mean radius is less than 0.1
For calculating forces and efficiency of riveted joint, either rivet diameter or rivet hole diameter is used in case of pressure vessel and in structural work
Longitudinal joint is normally made butt joint to maintain the circularity of the vessel
Maximum diameter of the opening provided in a pressure vessel, which does not require any compensation is 200 mm

Question No : 12
__________ is used for tying the steel columns to concrete foundation.

Grouting
Eyebolt
Anchor bolts
Refractory castables

Question No : 13
Cold heading or upsetting is categorised as the __________ process.

Extrusion
Bending
Rolling
Forging

Question No : 14
Which of the following materials does not form adherent oxide film on surface?

Copper
Nickel
Aluminium
Gold & silver

Wanna test your skill? Here are some exams we prepared for you. So if you need to test your skill just attempt any exam from bellow.

Exam Name No. Of Q Link
Chemistry set 1 30 Start
Chemistry set 2 30 Start
Chemistry set 3 30 Start
Chemistry set 4 30 Start
Chemistry set 5 30 Start
Chemistry set 6 30 Start
Chemistry set 7 30 Start
Chemistry set 8 30 Start
Chemistry set 9 30 Start
Chemistry set 10 30 Start
Chemistry set 11 30 Start
Chemistry set 12 30 Start