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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of an induction motor?
💡 Hint: Consider the direction of energy conversion.
Question 2
Easy
Define slip in the context of induction motors.
💡 Hint: Think about how speed difference affects torque.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
The primary purpose of a DC motor is to convert which type of energy?
- Electrical to Mechanical
- Mechanical to Electrical
- Chemical to Electrical
- Thermal to Mechanical
💡 Hint: Think about the energy sources involved.
Question 2
True or False: Induction motors cannot start without an external starting mechanism.
- True
- False
💡 Hint: Consider the nature of an induction motor's design.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 3-phase induction motor has a load torque of 100 Nm. Calculate the slip if the synchronous speed is 1500 RPM and the rotor speed is 1450 RPM.
💡 Hint: Use the slip formula provided in class.
Question 2
A DC motor operates at 220V and 25A with an armature resistance of 1Ω. Calculate the back EMF produced when the motor is running.
💡 Hint: Be mindful of the voltage drop across armature resistance.
Challenge and get performance evaluation