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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

For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of_________________?
A 2
B 2
C
D 1/2
Correct Answer: 2
Capacity of a rotary gear pump can be varied by__________________?
A Changing the speed of rotation
B Bleeding air into suction
C Bypassing liquid from the suction or discharge line
D All A., B. and C.
Correct Answer: All A., B. and C.
The vent valve provided in a liquid handling centrifugal pump is___________________?
A Generally a needle valve
B Used to release any gases that might be vapour locking the pump
C Helpful in easy removal of samples
D All A., B. and C.
Correct Answer: All A., B. and C.
Paper pulp is an example of _____________ fluid?
A Dilatant
B Bingham plastic
C Newtonian
D Pseudo-plastic
Correct Answer: Bingham plastic
Drag is the force component exerted on an immersed object, ?
A Passing the centroid of the body at 60°to the direction of motion
B The component being parallel to the flow direction
C The component being normal to the flow direction
D None of these
Correct Answer: The component being parallel to the flow direction
The most serious disadvantage of an orificemeter is that________________?
A It is not very accurate
B It is very costly
C Most of the pressure drop is not recoverable
D It is not suitable for measuring gas flow
Correct Answer: Most of the pressure drop is not recoverable
Boundary layer exists in flow_________________?
A Of real fluids
B Over flat surfaces only
C In pipes only
D Of ideal fluids only
Correct Answer: Of real fluids
The capillary rise of mercury is maximum in glass tube of dia _____________ mm?
A 0.5
B 1
C 2
D 5
Correct Answer: 0.5
Laminar flow is characterised by the nonexistence of_________________?
A Pressure fluctuation
B Eddies
C Deviating velocities
D All A., B. & C.
Correct Answer: All A., B. & C.
The maximum depth from which a centrifugal pump can draw water is________________?
A Dependent on the speed of the pump
B Dependent on the power of the pump
C 34 feet
D 150 feet
Correct Answer: 34 feet
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