200+ Metrology-and-inspection Questions

Metrology-and-inspection Questions Set 5:

Quiz Mode

The expected value of the voltage across a resistor is 88V. However, the measured value is 76V. Calculate the relative accuracy.

0.1363

0.863

1.88

Solution:

Which of the following is a characteristic of end standards?

accuracy of ± 1.00 mm

accuracy of ± 0.050 mm

accuracy of ± 0.001 mm

accuracy of ± 0.2 mm

Solution:

Calculate the value of the Least Significant Bit (LSB) for an 8-bit Digital-to-Analog Converter (DAC) with a 0 – 10 V range.

80 mV

2 mV

45.66 mV

39.06 mV

Solution:

For a RC low-pass filter, determine the phase angle if the input frequency is 2.5 kHz, R = 15 kΩ, and C = 0.01 μF.

375 degrees

-375 degrees

134 degrees

-134 degrees

Solution:

To evaluate the surface finish, which of the following methods is unreliable?

Wallace surface dynamometer

Profilograph

Tomlinson surface tester

Electrical stylus profilometer

Solution:

Which of the following statements is/are true?

Tool maker's microscope is used to measure tooth thickness.

Teeth having wider flanks have less strength.

Parkinson's gear tester is used to measure variation in centre distance.

None of these.

Solution:

What is the meaning of 'hitch hiking' in the context of brainstorming?

Enlisting ideas in a specific format considering similarities

Suggesting ideas based on other ideas

None of these

Procedure of secret voting to select the most appropriate idea

Solution:

What formula is used to calculate the quality of performance?

Quality of performance = quality of design + availability

Quality of performance = quality of design + quality of conformance

Quality of performance = quality of design - quality of conformance

None of these

Solution:

If σ denotes the standard deviation, which of the following is the correct relation?

σ(observation) = √(σ(process)^2 + σ(measurement)^2)

σ(observation) = σ(process) - σ(measurement)

σ(observation) = σ(process) * σ(measurement)

σ(observation) = σ(process) / σ(measurement)

Solution:

Which of the following is the correct statement about the error of circularity?

It is the distance between the maximum inscribing circle and the minimum circumscribing circle measured radially.

It is the distance between the least square circle and the minimum zone circle measured radially.

It is the distance between the maximum inscribing circle and the minimum zone circle measured radially.

None of these.

Metrology-and-inspection Questions Set 5:

The expected value of the voltage across a resistor is 88V. However, the measured value is 76V. Calculate the relative accuracy.

Solution:

Which of the following is a characteristic of end standards?

Solution:

Calculate the value of the Least Significant Bit (LSB) for an 8-bit Digital-to-Analog Converter (DAC) with a 0 – 10 V range.

Solution:

For a RC low-pass filter, determine the phase angle if the input frequency is 2.5 kHz, R = 15 kΩ, and C = 0.01 μF.

Solution:

To evaluate the surface finish, which of the following methods is unreliable?

Solution:

Which of the following statements is/are true?

Solution:

What is the meaning of 'hitch hiking' in the context of brainstorming?

Solution:

What formula is used to calculate the quality of performance?

Solution:

If σ denotes the standard deviation, which of the following is the correct relation?

Solution:

Which of the following is the correct statement about the error of circularity?

Solution:

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