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Sensors and Input Circuit Devices

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

_________ are a type of Transducer because they convert physical conditions into electrical data.

a)

Sensors

b)

Switches

c)

Semiconductors

d)

Batteries

2.

Which of the following is an example of a voltage generator?

a)

a.Variable capacitance pressure sensor

b)

b.NOx sensor

c)

c.Potentiometer

d)

d.Piezoresistive sensor

3.

Potentiometers supply what type of data to processing circuits?

a)

a.Software

b)

b.Serial

c)

c.Analog

d)

d.Network

4.

Technician A says that humidity sensors are used for adjusting air–fuel ratio control and cabin comfort control. Technician B says that the humidity sensors are used to detect rain/moisture. Who is correct?

a)

Tech A

b)

Tech B

c)

Both Techs

d)

Neither

5.

Sensors provide information to __________.

a)

Electromagnetic operator devices

b)

Processing circuits

c)

Instrument gauges

d)

Electronic control units

6.

A sensor is considered active if ______________.

a)

they get power from the ECU

b)

They get power from a signal condition circuit

c)

get power from the battery

d)

it has a self contained power source

7.

______________ are the simplest sensors of all.

a)

Switches

b)

Pressure

c)

Temperature

d)

Transducers

8.

Three wire sensors have a common wiring configuration of____________.

a)

one wire is common ground, one wire is positive, one wire is a back up positive connection.

b)

one wire is neutral, one wire is double negative, one wire is positive

c)

two wires are positive and the third wire is a signal

d)

One wire provides reference voltage, one wire provides ground signal to the ECU and the third wire provides a signal return from the sensor.

9.

You can find the resistance of an unknown resistor by connecting it in series with a resistance of a known value. This process is called_____________.

a)

Voltage Reference

b)

Voltage Multiplication

c)

Voltage Dividing

d)

Voltage Addition

10.

Devices that convert one form of energy into another are called_______________.

a)

Voltage Generator

b)

Switch

c)

Transducer

d)

Rheostat