CHAP 1 - EM

Multiple Choice

Why is it important for students to attend at least 80% of their course contact hours?

• To ensure they receive a zero mark

• To avoid disciplinary action

• To be eligible for further lectures and assessments

• To follow dress code regulations

Open Ended

How does the conversion of electrical energy to mechanical energy impact modern manufacturing industries?

Multiple Choice

Which assessment component carries the highest percentage in the course evaluation?

• Test

• Assignment 1 & 2

• Final Examination

• Project

Multiple Select

Which of the following are topics mentioned in the Chapter 1 outlines?

• Rotational Motion, Newton’s Law, and Power Relationships

• The Magnetic Field

• Induced Voltage on a Conductor Moving in a Magnetic Field

• Electrical Circuits

Multiple Choice

Which of the following topics is NOT included in the Chapter 1 outlines?

• The Magnetic Field

• Faraday’s Law – Induced Voltage from a Time-Changing Magnetic Field

• Production of Induced Force on a Wire

• Direct Current Circuits

Open Ended

List and briefly explain any two topics covered in Chapter 1: Outlines of Electrical Machines: Machinery Principles.

Open Ended

Based on the video link provided, what is the main function of an electric motor in practical applications?

Fill in the Blank

The simplest electric ___ can be seen in the video linked in the slide.

Multiple Choice

Which of the following best describes the main difference between a generator and a motor as explained in the slides?

• A generator converts electrical energy to mechanical energy, while a motor converts mechanical energy to electrical energy.

• A generator and a motor both convert electrical energy to heat energy.

• A generator converts mechanical energy to electrical energy, while a motor converts electrical energy to mechanical energy.

• A generator and a motor both store energy for later use.

Multiple Select

Which of the following are considered prime movers for generators?

• Steam turbine

• Solar panel

• Diesel engine

• Water turbine

Fill in the Blank

Fill in the blank: The device that provides the mechanical energy to spin a generator is called a ___.

Open Ended

Explain how magnetic fields are involved in the operation of both motors and generators.

Open Ended

Describe the energy conversion process that occurs in an electric motor, as shown in the slides.

Multiple Choice

Based on the diagrams, what is the main function of the coil in both the generator and motor?

• To store electrical energy

• To generate or respond to a magnetic field for energy conversion

• To cool the machine

• To regulate voltage output

Fill in the Blank

A typical home consumes electric power at a voltage of ___ V.

Open Ended

Explain why transformers are essential for the operation of modern power systems, especially for long-distance power transmission.

Multiple Choice

What is the main function of a transformer in an electrical power system?

• To convert AC electrical energy at one voltage level to another voltage level

• To generate electricity from mechanical energy

• To store electrical energy for later use

• To convert AC to DC electricity

Open Ended

Which of the following are common uses of electric motors in daily life?

Open Ended

Why are electric motors and generators so common in modern daily life?

Multiple Choice

Which components are typically found in an electric machine?

• Rotor, stator, and shaft

• Battery, wire, and switch

• Diode, capacitor, and resistor

• Transformer, relay, and fuse

Multiple Choice

Which of the following pairs correctly matches the rotational motion quantity with its linear motion counterpart?

• Angular velocity – Linear acceleration

• Torque – Force

• Angular position – Linear velocity

• Angular acceleration – Linear distance

Open Ended

Explain the relationship between force, mass, and acceleration as described by Newton's Second Law for linear motion.

Multiple Choice

Which of the following equations describes the relationship between torque, moment of inertia, and angular acceleration?

• τ = Jα

• τ = Fd

• τ = mα

• τ = Jω

Multiple Select

Select all statements that are correct about work in linear and rotational motion.

• Work in linear motion is the product of force and distance.

• Work in rotational motion is the product of torque and angle.

• Work in linear motion is always zero if force is applied.

• Work in rotational motion is always negative.

Fill in the Blank

Fill in the blank: The rate of doing work, or the increase in work per unit time, is called ___.

Open Ended

Describe how to convert power measured in horsepower to power measured in watts, given the conversion factor.

Open Ended

How do you think the knowledge of energy conversion and transportation can impact the future of manufacturing and utility industries?

Multiple Choice

What is the minimum percentage of contact hours a student must attend to fulfill the course attendance requirement?

• 70%

• 75%

• 80%

• 85%