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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 maximum delivery pressure of compressors can be upto _____________ atmospheres?
A 10
B 100
C 250
D 1000
Correct Answer: 10
In case of centrifugal fan or blower, the gas capacity varies as __________________?
A Speed
B (Speed)2
C (Speed)3
D (Speed)0.5
Correct Answer: Speed
The dimension of dynamic viscosity is__________________?
A ML-1T-1
B L2T-1
C LT-2
D ML-1T-2
Correct Answer: ML-1T-1
Which of the following can be used for the direct measurement of volumetric flow rate of slurry ?
A Venturimeter
B Orificemeter
C Rotameter
D Pitot tube
Correct Answer: Rotameter
Foot valves provided in pumps are ____________ valves?
A Relief
B Three/four way
C Pressure reducing
D Directional control
Correct Answer: Directional control
At a constant speed of the centrifugal pump, it‟s _____________ the impeller diameter?
A Capacity varies directly with
B Head varies as the square of
C Horsepower varies as the cube of
D All A., B. and C.
Correct Answer: All A., B. and C.
In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of___________________?
A Relative roughness
B Absolute roughness
C Friction co-efficient for flows at equal Reynold number
D All A., B. & C.
Correct Answer: Friction co-efficient for flows at equal Reynold number
The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is__________________?
A Parabolic
B Flat
C Flat near the wall and parabolic in the middle
D Parabolic near the wall and flat in the middle
Correct Answer: Parabolic
When the momentum of one fluid is used for moving another fluid, such a device is called a/an______________?
A Jet pump
B Blower
C Acid egg
D None of these
Correct Answer: Jet pump
Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
A ∂/∂s = 0
B ∂/∂t = 0
C ∂/∂s = constant
D ∂/∂t = constant
Correct Answer: ∂/∂t = 0
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