Which of the following speed tachometers...

Question 1 / 2066636eee28f7522a1c51ea09

Question 1 of 2066636eee28f7522a1c51ea09

Which of the following speed tachometers produces an analog signal proportional to the shaft speed?

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Question 1 of 20

66636eee28f7522a1c51ea09

Which of the following speed tachometers produces an analog signal proportional to the shaft speed?

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🔍 Key Concepts

• Difference between analog and digital (pulse/frequency) outputs • How a DC generator-type tachometer works compared to sensor-based tachometers • What Hall-effect and variable-reluctance sensors actually produce at their output leads

💭 Think About

• Ask yourself: which device naturally generates a continuous voltage that rises and falls smoothly with speed, instead of discrete pulses? • Think about which options involve sensing passing teeth or marks — what kind of electrical signal does that usually create? • For each choice, picture the actual waveform you would see on an oscilloscope: a smooth line changing with speed, or a series of pulses whose frequency changes with speed?

✅ Before You Answer

• Identify which devices are basically speed sensors that create pulses whose frequency is proportional to speed (more teeth per second = higher frequency). • Identify which device works like a small DC generator, where output voltage level directly follows shaft speed. • Confirm that an analog signal here means a continuous voltage (or current) magnitude, not a pulse train that must be counted or averaged.

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Question 1 of 20

Which of the following speed tachometers produces an analog signal proportional to the shaft speed?

Toothed-rotor Hall-effect tachometer

Direct current tachometer

Optical tachometer

Toothed-rotor variable-reluctance tachometer

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Question 1 / 2066636eee28f7522a1c51ea09

Question 1 of 2066636eee28f7522a1c51ea09

Which of the following speed tachometers produces an analog signal proportional to the shaft speed?

Back

Question 1 of 20

66636eee28f7522a1c51ea09

Which of the following speed tachometers produces an analog signal proportional to the shaft speed?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed