#1
Which sensor measures the amount of air entering the engine?
Mass airflow sensor
ExplanationMeasures air intake for engine combustion.
#2
What does the acronym 'ECU' stand for in automotive context?
Electronic Control Unit
ExplanationCentral unit managing engine functions electronically.
#3
What does the acronym 'TPS' stand for in automotive context?
Throttle Position Sensor
ExplanationMonitors the position of the throttle valve.
#4
What does an oxygen sensor primarily monitor?
Exhaust gas composition
ExplanationAnalyzes oxygen levels in the exhaust.
#5
What does a coolant temperature sensor measure?
The temperature of the engine coolant
ExplanationTracks temperature of the engine's coolant.
#6
Which sensor is responsible for detecting engine knock?
Knock sensor
ExplanationIdentifies engine knocking to prevent damage.
#7
What does a MAP sensor measure?
Manifold Absolute Pressure
ExplanationMonitors pressure in the engine's intake manifold.
#8
What is the primary function of a camshaft position sensor?
To detect the position of the engine's valves
ExplanationIdentifies the position of the camshaft.
#9
Which sensor is crucial for controlling the air-fuel mixture in the engine?
Oxygen sensor
ExplanationAdjusts fuel ratio based on oxygen levels in exhaust.
#10
Which sensor detects the position of the accelerator pedal?
Throttle position sensor
ExplanationMonitors the pedal position, affecting throttle.
#11
Which of the following is NOT a type of engine speed sensor?
Throttle position sensor
ExplanationTracks throttle valve position, not engine speed.
#12
Which component is responsible for converting rotational motion into electrical signals in a Hall-effect sensor?
Semiconductor material
ExplanationTranslates magnetic changes into electrical signals.
#13
What does a TDC sensor detect?
Top Dead Center
ExplanationIdentifies the position of the piston at top dead center.