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 9 of 10

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Q81.
When would the recorder indicate a zero base line in analyzers based on gas density?

a.

When the detector on the sample side is cooler than that on the reference side

b.

When the detector on the reference side is cooler than that on the sample side

c.

When flow is unbalanced

d.

When both the detectors are equally cooled

Discuss
Answer: (d).When both the detectors are equally cooled
Q82.
The use of thermistor eliminates the requirement for amplification.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q83.
In analyzers based on gas density, the unbalance of the bridge is linearly proportional to which of the following?

a.

Temperature of sample detector

b.

Pressure at sample detector

c.

Pressure difference between both the detectors

d.

Gas-density difference between both the detectors

Discuss
Answer: (d).Gas-density difference between both the detectors
Q84.
Which of the following bridges are used in analyzers based on gas density?

a.

Wheatstone bridge

b.

Kelvin’s bridge

c.

Anderson’s bridge

d.

Schering’s bridge

Discuss
Answer: (a).Wheatstone bridge
Q85.
In analyzers based on gas density, if the sample carries a gas having a higher density than the detector which of the following occurs?

a.

It will cause a net downward flow

b.

It will cause a net upward flow

c.

It splits into two beams

d.

There will be no difference in flow

Discuss
Answer: (a).It will cause a net downward flow
Q86.
When hot-wires are used as detectors amplification is not required.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q87.
Which of the following is the effective sample volume in analyzers based on gas density?

a.

10 ml

b.

20 ml

c.

5 ml

d.

50 ml

Discuss
Answer: (c).5 ml
Q88.
Gases emit radiation under which of the following conditions which can be used for determination of gases?

a.

When mixed with other gases

b.

When kept at suitable temperature

c.

With sufficient electrical excitation and at suitable pressures

d.

When exposed to radiation

Discuss
Answer: (c).With sufficient electrical excitation and at suitable pressures
Q89.
Which of the following measuring technique is utilized for measuring nitrogen?

a.

By using a method based on gas density

b.

By using paramagnetic analyzers

c.

By using magnetic wind instruments

d.

By using a photospectrometer where a gas sample is analysed and detected with a photocell

Discuss
Answer: (d).By using a photospectrometer where a gas sample is analysed and detected with a photocell
Q90.
The characteristic emission of which colour, when discharge takes place in a low pressure chamber containing gas sample, will indicate the presence of nitrogen while using photospectrometer?

a.

Purple

b.

Blue

c.

Pink

d.

Green

Discuss
Answer: (a).Purple
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