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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

Air vessel provided in a reciprocating pump is for__________________?
A Increasing the acceleration head
B Making the friction in pipe uniform
C Decreasing the acceleration head
D None of these
Correct Answer: Making the friction in pipe uniform
Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the ____________ head?
A Manometric
B Total
C Static
D Friction
Correct Answer: Manometric
Multistage centrifugal pumps are generally used for________________?
A High head
B Low head but high discharge
C Highly viscous liquid
D Slurries of high solid concentration
Correct Answer: High head
Specific speed of a centrifugal pump depends upon the ______________ head?
A Suction
B Delivery
C Manometric
D None of these
Correct Answer: None of these
The simple Pitot tube does not measure the________________?
A Static pressure
B Dynamic pressure
C Velocity at the stagnation point
D All A., B. and C.
Correct Answer: All A., B. and C.
Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation? A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent. D. Fluid is compressible. E. Fluid is incompressible ?
A A, C, D
B B, D, E
C A, B, E
D A, D, E
Correct Answer: A, B, E
Transition from laminar flow to turbulent flow is aided by the__________________?
A Surface roughness and curvature (i.e. sharp corners)
B Vibration
C Pressure gradient and the compressibility of the flowing medium
D All A., B. & C.
Correct Answer: All A., B. & C.
At low Reynolds number______________?
A Viscous forces are unimportant
B Viscous forces control
C Viscous forces control and inertial forces are unimportant
D Gravity forces control
Correct Answer: Viscous forces control
Which of the following valves will incur maximum pressure drop for the same discharge of water ?
A Globe valve
B Gate valve
C Needle valve
D Butterfly valve
Correct Answer: Needle valve
Venturimeter and orificemeter measures the _____________ of the fluid?
A Pressure
B Maximum velocity
C Average velocity
D Point velocity
Correct Answer: Average velocity
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