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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.

The ratio of inertial forces to elastic forces is called the __________ number?

A Reynolds

B Mach

C Euler

D Weber

Review Detailed Answer

Correct Answer: Mach

The fluid property, due to which, mercury does not wet the glass is__________________?

A Surface tension

B Viscosity

C Cohesion

D Adhesion

Review Detailed Answer

Correct Answer: Surface tension

The head loss in turbulent flow in a pipe varies________________?

A As velocity

B As (velocity)2

C Inversely as the square of diameter

D Inversely as the velocity

Review Detailed Answer

Correct Answer: As (velocity)2

Co-efficient of discharge (Cd) is defined as actual discharge/theoretical discharge and is equal to Cc . Cv; where Cc = Co-efficient of contraction and Cv = co-efficient of velocity. Cd of an orifice is usually about__________________?

A 0.42

B 0.62

C 0.82

D 0.98

Review Detailed Answer

Correct Answer: 0.62

The excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the___________________?

A Static submergence

B Net positive suction head (NPSH)

C Cavitation sensitivity

D Priming

Review Detailed Answer

Correct Answer: Net positive suction head (NPSH)

Rise of liquid in a capillary tube is due to_________________?

A Cohesion

B Adhesion

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?

A Elevation

B Velocity

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Velocity

For very low pressure and high discharge rate, the compressor used is a/an ______________ compressor?

A Axial

B Reciprocating

C Rotary

D None of these

Review Detailed Answer

Correct Answer: Rotary

Molten soap mass is transported by a ______________ pump?

A Diaphragm

B Reciprocating

C Gear

D Centrifugal

Review Detailed Answer

Correct Answer: Centrifugal

The exit cone angle in case of a standard Venturimeter is _____________ the entrance cone angle?

A Smaller than

B Greater than

C Equal to

D Either A. or B.

Review Detailed Answer

Correct Answer: Smaller than

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The ratio of inertial forces to elastic forces is called the __________ number?

The fluid property, due to which, mercury does not wet the glass is__________________?

The head loss in turbulent flow in a pipe varies________________?

Co-efficient of discharge (Cd) is defined as actual discharge/theoretical discharge and is equal to Cc . Cv; where Cc = Co-efficient of contraction and Cv = co-efficient of velocity. Cd of an orifice is usually about__________________?

The excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the___________________?

Rise of liquid in a capillary tube is due to_________________?

The pressure head on sudden contraction in a horizontal pipe is converted into the _____________ head?

For very low pressure and high discharge rate, the compressor used is a/an ______________ compressor?

Molten soap mass is transported by a ______________ pump?

The exit cone angle in case of a standard Venturimeter is _____________ the entrance cone angle?