sensors lab

sensors lab

Assessment

Flashcard

Computers

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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20 questions

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1.

FLASHCARD QUESTION

Front

A sensor has a sensitivity of 2 mV/°C and outputs 500 mV at 25°C. What is the expected output at 100°C?

Back

1500 mV

2.

FLASHCARD QUESTION

Front

Which parameter determines how well a sensor can return to the same output after repeated identical inputs?

Back

Repeatability

3.

FLASHCARD QUESTION

Front

A transducer has an impedance of 10kΩ and is connected to an amplifier with an input impedance of 1kΩ. What is the loading effect on the transducer?

Back

90% voltage drop

4.

FLASHCARD QUESTION

Front

A temperature sensor has a dead band of 2°C. If the current temperature is 30°C, at what minimum temperature will the sensor re-engage?

Back

32°C

5.

FLASHCARD QUESTION

Front

Which of the following environmental factors affects a sensor's performance the most in an industrial setting? Vibration, Electrical noise, Temperature variations, All of the above

Back

All of the above

6.

FLASHCARD QUESTION

Front

A strain gauge has a resistance of 120Ω and a gauge factor of 2. What will be the change in resistance when subjected to a strain of 1000µε?

Back

0.24Ω

7.

FLASHCARD QUESTION

Front

A Wheatstone bridge using a strain gauge is balanced at 0V initially. If the strain gauge resistance increases slightly, what happens to the bridge voltage?

Back

It increases

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