CPE 10 Fundamentals of Mixed Signals and Sensors: Switches and Relays

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15 Questions

Which type of switch is used to make momentary contact for a brief period of time or as long as the button is pressed?

Momentary action switch

What is the main difference between a momentary action switch and a latched action switch?

Duration of contact

In electronic switches, how are they activated to control a circuit?

By semiconductor action

What determines what the switch armature is connected into?


Which type of switch consists of one input contact and one output contact, allowing it to either make (ON) or break (OFF) the load?

Single Pole Single Throw (SPST)

What is the main function of a switch in a circuit?

To act as a control device

Which type of switch has three terminals and consists of two ON positions and one OFF position?

Single Pole Double Throw (SPDT)

How many poles and throws does a Double Pole Single Throw (DPST) switch have?

Two poles, one throw

What is the purpose of a limit switch?

To be operated by the presence of an object or by the motion of a machine

How many ON positions does a Double Pole Double Throw (DPDT) switch have?

Two ON positions

Which type of switch is manually actuated by a mechanical handle, lever, or rocking mechanism?

Toggle Switch

How many terminals does a Double Pole Single Throw (DPST) switch consist of?

Four terminals

What is the main characteristic of a Micro Switch?

It is operated by the presence of an object or by the motion of machine instead of human hand operation

What is the distinguishing feature of a Normally Open Push Button (PBNO)?

It is red in color

What type of operation does a relay typically perform?

Electromechanical switching

This quiz covers the fundamentals of switches and relays, including their functions, types, and applications. Topics include basic switch functions, momentary action, and the role of switches as control devices. It is based on the course CPE 10 Fundamentals of Mixed Signals and Sensors by ENGR. Joel Anthony L. Sevilla.

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