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 10 of 10

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Q91.
Sample rates of nitrogen meter can be adjusted by doing which of the following?

a.

By modifying the amplifier

b.

With the help of the needle valve

c.

By modifying the detector

d.

By changing chopper frequency

Discuss
Answer: (b).With the help of the needle valve
Q92.
Which of the following is the normal sampling rate used in nitrogen meters?

a.

13 ml/min

b.

33 ml/min

c.

3 ml/min

d.

43 ml/min

Discuss
Answer: (c).3 ml/min
Q93.
Nitrogen meters are calibrated for which of the following to measure nitrogen?

a.

Mixture of nitrogen and air

b.

Water saturated mixture of nitrogen and oxygen

c.

Mixture of nitrogen and hydrogen

d.

Nitrogen

Discuss
Answer: (b).Water saturated mixture of nitrogen and oxygen
Q94.
Why is nitrogen meters generally not calibrated for dry gases while measuring nitrogen?

a.

It causes error

b.

Range decreases

c.

Reading tend to be non-linear

d.

It cannot be measured

Discuss
Answer: (a).It causes error
Q95.
In which of the following ways can nitrogen be calibrated for dry gases?

a.

By modifying the amplifier

b.

By adjusting the needle valve

c.

By modifying the detector

d.

By changing chopper frequency

Discuss
Answer: (b).By adjusting the needle valve
Q96.
The voltage required for striking the discharge in the presence of nitrogen is 1500V.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q97.
The light output from the discharge tube is interrupted by means of a rotating slotted disc.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q98.
The block diagram of series mode analyser of NO and NO₂ is given below. Identify the unmarked procedure.

a.

Oxidiser

b.

Reducer

c.

Filter

d.

NO Analyser

Discuss
Answer: (a).Oxidiser
Q99.
The block diagram for parallel mode analyser of NO and NO₂ is given below. Identify the unmarked block in the diagram.

a.

NO Analyser

b.

NO₂ to NO reduction

c.

NO₂ remover

d.

Difference

Discuss
Answer: (d).Difference
Q100.
The diagram of Electrochemical cell used for the detection of hydrogen sulphide is given below. Identify the unmarked component.

a.

Filter

b.

Gas permeable membrane

c.

Elastic layer

d.

Electrolyte

Discuss
Answer: (b).Gas permeable membrane
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