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Gas Density Analysers MCQ Questions & Answers

Gas Density Analysers MCQs : This section focuses on the "Gas Density Analysers". These Multiple Choice Questions (MCQs) should be practiced to improve the Gas Density Analysers skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

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

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Question 2

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

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Question 3

The use of thermistor eliminates the requirement for amplification.

A. True
B. False

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Question 4

Under which of the following conditions do all real gases behave as ideal gases to some extent?

A. Low temperature and low pressure
B. Low temperature and high pressure
C. High temperature and low pressure
D. Room temperature and normal pressure

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Question 5

When hot-wires are used as detectors amplification is not required.

A. TRUE
B. FALSE

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Question 6

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

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Question 7

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

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Question 8

Which of the following detectors are not used in analyzers based on gas density?

A. Hot wire
B. Platinum filament
C. Thermistor
D. Thermometer

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Question 9

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

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Question 10

Which of the following is the relationship between the density of ideal gas and its molecular weight?

A. Directly proportional
B. Inversely proportional
C. Linear
D. No relation

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