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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

Which of the following is not dimension-less ?
A Froude number
B Kinematic viscosity
C Pressure co-efficient
D None of these
Correct Answer: Kinematic viscosity
The line of action of the buoyant force passes through the centre of gravity of the_______________________?
A Submerged body
B Displaced volume of the fluid
C Volume of fluid vertically above the body
D Horizontal projection of the body
Correct Answer: Displaced volume of the fluid
Mercury is an ideal barometric fluid mainly due to its __________________?
A High density
B Low compressibility
C Low capillary action
D Very low vapor pressure
Correct Answer: Very low vapor pressure
Surge tanks are provided in high pressure water pipelines to___________________?
A Store a definite quantity of water all the time
B Reduce the water hammer
C Facilitate easy dismantling of pipeline for cleaning and maintenance
D None of these
Correct Answer: Reduce the water hammer
The velocity distribution in direction normal to the direction of flow in plane Poiseuille flow is_______________________?
A Hyperbolic
B Parabolic
C Linear
D None of these
Correct Answer: Parabolic
With increase in the temperature, viscosity of a liquid____________________?
A Increases
B Decreases
C Remain constant
D May increase or decrease; depends on the liquid
Correct Answer: Decreases
The continuity equation in ideal fluid flow states that__________________?
A Net rate of inflow into any small volume must be zero
B Energy is not constant along a streamline
C Energy is constant along a streamline
D There exists a velocity potential
Correct Answer: Net rate of inflow into any small volume must be zero
Capacity of a hydraulic accumulator is defined in terms of maximum_____________________?
A Amount of energy stored
B Flow rate through accumulator
C Rate of falling of ram
D Volume available in the cylinder
Correct Answer: Amount of energy stored
Nature of fluid flow during the opening of a valve in a pipeline is_________________?
A Laminar
B Unsteady
C Steady
D Uniform
Correct Answer: Unsteady
The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonian fluid in a circular pipe is_____________________?
A 0.5
B 1
C 2
D 0.66
Correct Answer: 0.5
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