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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.

All Topics  9594

Interstage coolers are provided in a multistage compressor to____________________?
A Save power in compressing a given volume to a given pressure
B Cool the delivered air
C Achieve the exact delivery pressure
D None of these
Correct Answer: Save power in compressing a given volume to a given pressure
The rate of change of moment of momentum represents the ______________ by the fluid?
A Torque applied
B Force exerted
C Work done
D Power developed
Correct Answer: Torque applied
Boiler feed water pump is usually a ______________ pump?
A Reciprocating
B Gear
C Multistage centrifugal
D Diaphragm
Correct Answer: Multistage centrifugal
Boundary layer separation occurs when the____________________?
A Pressure reaches a minimum
B Cross-section of the channel is reduced
C Valve is closed in a pipeline
D Velocity of sound is reached
Correct Answer: Cross-section of the channel is reduced
The ratio of inertial forces to gravity forces is called the ______________ number?
A Mach
B Froude
C Euler
D Weber
Correct Answer: Froude
Buoyant force__________________?
A For non-symmetrical bodies is not vertical
B Depends on the depth of the submergence of the floating body
C Depends on the weight of the floating body
D None of these
Correct Answer: Depends on the weight of the floating body
While starting a centrifugal pump, its delivery valve should be kept___________________?
A Opened
B Closed
C Either opened or closed; it does not make any difference
D Either opened or closed; depending on the fluid viscosity
Correct Answer: Closed
The Navier-Stokes equation deals with the law of conservation of___________________?
A Mass
B Energy
C Both A. & B.
D Momentum
Correct Answer: Momentum
Open channel liquid flow is most conveniently measured by a__________________?
A Hot wire anemometer
B Notch
C Rotameter
D Segmental orifice
Correct Answer: Notch
Which of the following may be termed as a variable orifice flow-meter ?
A Rotameter
B Pitot tube
C V-notch
D All A., B. and C.
Correct Answer: Rotameter
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