M C Q s D r i v e

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.

The frictional resistance in laminar flow does not depend on the_________________?
A Area of surface in contact
B Flow velocity
C Fluid temperature
D Pressure of flow
Correct Answer: Area of surface in contact
Steady non-uniform flow is exemplified by flow through a/an___________________?
A Long pipe at constant rate
B Long pipe at decreasing rate
C Expanding tube at increasing rate
D Expanding tube at constant rate
Correct Answer: Expanding tube at constant rate
For an incompressible fluid, the bulk modulus of elasticity is____________________?
A 5 kg/m3
B ∞ N/m2
C 1 N
D 0 N/m
Correct Answer: ∞ N/m2
Pressure drop in a packed bed for laminar flow is given by the ______________ equation?
A Kozeny-Carman
B Blake-Plummer
C Leva’s
D Fanning friction factor
Correct Answer: Kozeny-Carman
The line of action of the buoyant force acts through the____________________?
A Centroid of the displaced volume of fluid
B Centre of gravity of a submerged body
C Centroid of the volume of any floating body
D None of these
Correct Answer: Centroid of the displaced volume of fluid
Bernoulli’s equation accounts for the_____________________?
A Various momentums
B Various masses
C Different forms of mechanical energy
D None of these
Correct Answer: Different forms of mechanical energy
A Newtonian fluid is that__________________?
A Which follows Newton’s law of motion
B Which needs a minimum shear, before it starts deforming
C For which shear & deformation are related as T = μ (∂u/∂y)
D None of these
Correct Answer: For which shear & deformation are related as T = μ (∂u/∂y)
A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the power consumed now will be _____________ hp?
A 0.5
B 2
C 4
D 1
Correct Answer: 0.5
Power number is the ratio of____________________?
A Drag stress to inertial stress
B Inertial stress to drag stress
C Inertial stress to gravitational stress
D Gravitational stress to drag stress
Correct Answer: Drag stress to inertial stress
A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is _____________ kg?
A 10
B 100
C 1000
D 10000
Correct Answer: 10