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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

The ____________ is measured by a piezometric opening?
A Dynamic pressure
B Static pressure
C Total pressure
D Point velocity
Correct Answer: Total pressure
Which of the following is not concerned with the fluid-particle interaction ?
A Drag co-efficient
B Froude number
C Galileo number
D Weber number
Correct Answer: Weber number
Fluidised beds are formed, when the__________________?
A Fluid friction is zero
B Gravity force is less than the fluid friction
C Pressure forces equal gravity forces
D Sum of the fluid friction and pressure forces is equal and opposite to gravity forces
Correct Answer: Gravity force is less than the fluid friction
The terminal velocity of a particle moving through a fluid varies as dp n. What is the value of n’ for Newton’s law regime ?
A 0.5
B 1
C 1.5
D 3
Correct Answer: 0.5
The inherent characteristic of an equal percentage valve relating flow rate ‘q’ with valve stem movement ‘x’ are described by the equation_________________?
A dq/dx = K
B dq/dx = K.q
C dq/dx = K/q
D dq/dx = Kq2
Correct Answer: dq/dx = K
Co-efficient of velocity is ___________________ the coefficient of discharge?
A Less than
B More than
C Equal to
D Not related to
Correct Answer: More than
A Rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and Rotameter shows the same reading, the flow rate (cc/sec) is__________________?
A 26
B 42
C 269
D 325
Correct Answer: 26
The terminal velocity of a small sphere settling in a viscous fluid varies as the___________________?
A First power of its diameter
B Inverse of the fluid viscosity
C Inverse square of the diameter
D Square of the difference in specific weights of solid & fluid
Correct Answer: Inverse of the fluid viscosity
For pipes that must be broken at intervals for maintenance, the connector used should be a/an__________________?
A Union
B Tee
C Reducer
D Elbow
Correct Answer: Union
A mono pump is a __________ pump ?
A Centrifugal
B Piston
C Positive acting rotary
D A group of vacuum
Correct Answer: Positive acting rotary
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