TT November 08 Pop Quiz: Electrical Sensors

Choose the answers that BEST fit the following questions or statements. Note: Scroll down for the answers to the Pop Quiz questions.

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November Pop Quiz: Electrical Sensors

Choose the answers that BEST fit the following questions or statements.
 
Scroll down for the answers to the Pop Quiz questions.

1) Cold air can support combustion better, when compared to warmer air because cold air contains more __________.

A) humidity
B) carbon dioxide
C) vapor
D) oxygen  


2) A mass airflow sensor translates a quantity air flowing past a heated sensing element into a/n ________.

A) electric signal
B) plasma bust
C) emissions
D) exhaust


3) There are two basic types of mass airflow sensors – hot wire and hot ______.

A) paste
B) graft
C) film
D) ceramic


4) A manifold absolute pressure sensor is used to measure changes in the intake manifold pressure that results from  changes in _________.

A) resistance
B) engine load
C) fuel density
D) air quality


5) Which of the following is NOT a sensor used on an OBD II engine management system:

A) Engine Coolant Temperature (ECT) sensor
B) Throttle Position Sensor (TPS)
C) Vapor load sensor (VLS)
D) Crankshaft Position Sensor (CKP)
E) Fuel Rail Pressure Sensor (FRPS)


6) The mass of a given amount of air is calculated by multiplying its volume by its _______.

A) density
B) temperature
C) flow
D) pressure


7) At closed throttle, the engine produces a/an _____ vacuum – which translates to a/an ________  MAP value.

A high / low
B) low / high
C) small / wide
D) high / immeasurable


8) The engine management system requires air pressure (on speed density systems) and air _________ values to determine the density of an air charge entering the powertrain.

A) load
B) vapor
C) temperature
D) pressure


9) Manifold absolute pressure sensors have a ____________ calibration on turbocharged engines when compared to non-turbocharged engines.

A) very similar
B) much different
C) interchangeable
D) analogous


10) Typically, MAP sensors are used at a “key-on” to determine baseline ________.

A) temperature
B) air quality
C) octane
D) barometric pressure
 

Scroll down for answers.

November Pop Quiz Answers: Electrical Sensors

1) Cold air can support combustion better, when compared to warmer air because cold air contains more __________.

D) oxygen  


2) A mass airflow sensor translates a quantity air flowing past a heated sensing element into a/an ________.

A) electric signal


3) There are two basic types of mass airflow sensors – hot wire and hot ______.

C) film

4) A manifold absolute pressure sensor is used to measure changes in the intake manifold pressure that results from  changes in _________.

B) engine load

5) Which of the following is NOT a sensor used on an OBD II engine management system:
C) Vapor load sensor (VLS)



6) The mass of a given amount of air is calculated by multiplying its volume by its _______.

A) density


7) At closed throttle, the engine produces a/an _____ vacuum – which translates to a/an ________  MAP value.

A) high / low



8) The engine management system requires air pressure (on speed density systems) and air _________ values to determine the density of an air charge entering the powertrain.

C) temperature


9) Manifold absolute pressure sensors have a ____________ calibration on turbocharged engines when compared to non-turbocharged engines.

B) much different



10) Typically, MAP sensors are used at a “key-on” to determine baseline ________.

 D) barometric pressure