ASF Electrical and Mechanical Principles

Question 1

What is the primary function of a capacitor in an appliance motor circuit?

Accepted Answer

Store and release electrical energy

Answer

Reduce power consumption

Answer

Increase voltage output

Answer

Convert AC to DC

Question 2

Which electrical component is responsible for converting AC voltage to DC voltage in appliances?

Accepted Answer

Rectifier

Answer

Capacitor

Answer

Resistor

Answer

Inductor

Question 3

What is the role of a thermostat in an appliance?

Accepted Answer

Regulate temperature

Answer

Measure voltage

Answer

Store electrical energy

Answer

Control motor speed

Question 4

Which mechanical component in an appliance helps reduce friction between moving parts?

Accepted Answer

Bearing

Answer

Spring

Answer

Belt

Answer

Shaft

Question 5

What type of motor is commonly used in household refrigerators?

Accepted Answer

Single-phase induction motor

Answer

DC motor

Answer

Stepper motor

Answer

Synchronous motor

Question 6

Why is grounding important in electrical appliances?

Accepted Answer

To prevent electrical shocks

Answer

To improve appliance performance

Answer

To enhance energy efficiency

Answer

To increase voltage output