Industrial Gas Analysers MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Industrial Gas Analysers, a fundamental topic in the field of Analytical Instrumentation. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Industrial Gas Analysers MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Industrial Gas Analysers mcq questions that explore various aspects of Industrial Gas Analysers problems. Each MCQ is crafted to challenge your understanding of Industrial Gas Analysers principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Analytical Instrumentation tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Industrial Gas Analysers MCQs are your pathway to success in mastering this essential Analytical Instrumentation topic.

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Industrial Gas Analysers MCQs | Page 1 of 10

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Q1.
Which among the following gases have diamagnetic property (ability to be repelled by magnetic fields)?

a.

Oxygen

b.

Nitrogen

c.

Nitrogen dioxide

d.

Nitric oxide

Discuss
Answer: (b).Nitrogen
Q2.
Which of the following gases have paramagnetic property (ability to get attracted to a magnetic field)?

a.

Nitric oxide

b.

Hydrogen

c.

Helium

d.

Nitrogen

Discuss
Answer: (a).Nitric oxide
Q3.
The force produced during the operation of Paramagnetic oxygen analyzer is proportional to which of the following?

a.

Magnetic susceptibility of sphere

b.

Magnetic susceptibility of surrounding gas

c.

Difference between magnetic susceptibility of sphere and magnetic field strength

d.

Difference between magnetic susceptibility of sphere and that of surrounding gas

Discuss
Answer: (d).Difference between magnetic susceptibility of sphere and that of surrounding gas
Q4.
In Paramagnetic oxygen analyzer, the expression for magnitude of force produced can be expressed as, F = C (K-K₀), where K= magnetic susceptibility of surrounding gas and K₀= magnetic susceptibility of sphere. C denotes which of the following?

a.

Magnetic field strength

b.

Magnetic gradient

c.

Function of magnetic field strength and gradient

d.

Magnetic flux

Discuss
Answer: (c).Function of magnetic field strength and gradient
Q5.
In Paramagnetic oxygen analyzer, the electrostatic force that is exerted should have which of the following features?

a.

It should be greater than the magnetic field and must be in the same direction

b.

It should be equal to the magnetic field and must be in the same direction

c.

It should be greater than the magnetic field and must be in the opposite direction

d.

It should be equal to the magnetic field and must be in the opposite direction

Discuss
Answer: (d).It should be equal to the magnetic field and must be in the opposite direction
Q6.
Which of the following is true about the two charged vanes that produce electric field in Paramagnetic oxygen analyzer?

a.

Both the vanes should be at higher potential than the test body

b.

Both the vanes should have the same potential as the test body

c.

One vane should be at higher potential than the test body and the other vane should be at lower potential

d.

Both the vanes should be at lower potential than the test body

Discuss
Answer: (c).One vane should be at higher potential than the test body and the other vane should be at lower potential
Q7.
In Paramagnetic oxygen analyzer, when no oxygen is present the magnetic force balances torque of the fibre.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q8.
To improve paramagnetic oxygen analyzer, the quartz suspension must be replaced with which of the following?

a.

Platinum-iridium

b.

Phosphor-bronze

c.

Gold-palladium

d.

Antimony

Discuss
Answer: (a).Platinum-iridium
Q9.
In the Beckman instrument, the flow rate recommended when the sample enters through a porous diffusion disc is which of the following?

a.

100-200 cc/min

b.

50-250 cc/min

c.

40-60 cc/min

d.

200-300 cc/min

Discuss
Answer: (b).50-250 cc/min
Q10.
In the Beckman instrument, the flow rate recommended when the sample enters directly for rapid response is which of the following?

a.

100-200 cc/min

b.

50-250 cc/min

c.

40-60 cc/min

d.

200-300 cc/min

Discuss
Answer: (c).40-60 cc/min
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