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SOS Mechanic Certificate – Electrical Complete Guide $9.83   Add to cart

Exam (elaborations)

SOS Mechanic Certificate – Electrical Complete Guide

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SOS Mechanic Certificate – Electrical Complete Guide Electrical Systems After replacing a battery, do you need to wait for a period of time before testing the system? ⚡️ No, there is no need to wait When the blower motor speed decreases, what happens to the voltage drop across the res...

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  • July 22, 2024
  • 2
  • 2023/2024
  • Exam (elaborations)
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SOS Mechanic Certificate – Electrical Complete Guide


Electrical Systems



After replacing a battery, do you need to wait for a period of time before testing the system? ⚡️ No,
there is no need to wait



When the blower motor speed decreases, what happens to the voltage drop across the resistance
block? 💨 It increases



What should you do first when replacing a junction block or fuse? 🔩 Unlock the battery ground cable



What is the correct polarity of the voltage applied to the electromagnetic coils of a DC motor? 🔄 A
commutator



What should you set your volt meter to when performing a volt drop test? 💡 3 volts



What does a reading of 0.8 volts on a volt meter indicate? 🔋 Excessive resistance



Diagrams and Symbols



What does a dot represent in a conventional wiring diagram? 📋 A splice



What type of component is represented by the symbol at the right? 📊 A relay



Measurement and Testing



What type of equipment must be connected parallel when measuring current? 🔋 An am-meter

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