Technical English for Electrical-Electronics

In the speed control system, the controlled variable is ...?

• The speed of the engine

• Engine

• Trigger signal

• Error signal

What is an electrical circuit breaker?

• A device that converts electrical energy into mechanical energy

• A device that stores electrical energy

• A device that measures electrical energy

• A device that interrupts electrical current when it exceeds a safe level

Types of diodes used in lighting system and display

• LED

• Rectifier diodes

• Zener diodes

• Schottky

What is an AD converter?

• Receives a continuous input signal and converts it into a series of corresponding numeric values

• Receives and converts digital values into two forms: analog and digital

• Converts signals into digital values that can be processed, adjusting the desired working mode

• Accepts and processes strings of numeric values and converts them into desired values

In open loop system

• the control action depends on the size of the system

• the control action depends on system variables

• the control action depends on the input signal

• the control action is independent of the output

Which of the following is made up of semiconductors?

• Transistor

• Resistor

• Capacitor

• Inductor

Anode is ........ polarity in diodes

• Negative

• Positive

• Ground

• Hot side

What is the difference between a series and a parallel circuit?

• A series circuit has one path for current to flow, while a parallel circuit has multiple paths.

• A series circuit has multiple paths for current to flow, while a parallel circuit has one path.

• A series circuit and a parallel circuit are the same things.

• There is no difference between a series circuit and a parallel circuit.

What is an electrical fuse?

• A device that converts electrical energy into mechanical energy

• A device that stores electrical energy

• A device that measures electrical energy

• A device that protects electrical circuits from overcurrent

What is an electric motor?

• A device that converts mechanical energy into electrical energy

• A device that converts electrical energy into mechanical energy

• A device that stores electrical energy

• A device that measures electrical energy