Prepare for job tests, interviews, and competitive exams with comprehensive Chemical Engineering MCQs covering fundamentals, chemical processes, reactions, process control, instrumentation, and other core concepts for students and fresh graduates.

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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 weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?

A Circular

B Rectangular

C Triangular

D Trapezoidal

Review Detailed Answer

Correct Answer: Circular

An ideal fluid is___________________?

A Frictionless & incompressible

B One, which obeys Newton’s law of viscosity

C Highly viscous

D None of these

Review Detailed Answer

Correct Answer: Frictionless & incompressible

______________ is an example of axial flow impeller?

A Paddle

B Turbine

C Propeller

D All A., B. and C.

Review Detailed Answer

Correct Answer: Propeller

The distance between metacentre and ______________ is called metacentric height?

A Water surface

B Centre of gravity

C Centre of buoyancy

D None of these

Review Detailed Answer

Correct Answer: Centre of gravity

Enamels and paints are generally _______________ fluid?

A Rheopectic

B Pseudo-plastic

C Thixotropic

D Dilatant

Review Detailed Answer

Correct Answer: Pseudo-plastic

A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, then the new head will be ______________ metres?

A 2

B 4

C 8

D 5.5

Review Detailed Answer

Correct Answer: 2

The Reynolds number for an ideal fluid flow is _________________?

A 4

B 2100-4000

C 4000

D ∞

Review Detailed Answer

Correct Answer: ∞

For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance) ?

A V/Vmax = (x/r)1/7

B V/Vmax = (r/x)1/7

C V/Vmax = (x.r)1/7

D None of these

Review Detailed Answer

Correct Answer: V/Vmax = (x/r)1/7

The time of oscillation of a floating body is _________________?

A Longer, if Metacentric height is increased

B Independent of the Metacentric height

C Dependent on the buoyant forces only

D None of these

Review Detailed Answer

Correct Answer: None of these

The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for ______________ fluid?

A Newtonian

B Dilatant

C Pseudo-plastic

Review Detailed Answer

Correct Answer: Newtonian

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of _______________ shape?

An ideal fluid is___________________?

______________ is an example of axial flow impeller?

The distance between metacentre and ______________ is called metacentric height?

Enamels and paints are generally _______________ fluid?

A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, then the new head will be ______________ metres?

The Reynolds number for an ideal fluid flow is _________________?

For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance) ?

The time of oscillation of a floating body is _________________?

The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for ______________ fluid?