Explore topic-wise MCQs in Ic Engine.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Ic Engine knowledge and support exam preparation. Choose a topic below to get started.

1.

THE_______________SENSOR,IS_A_MICROPHONE_TYPE_SENSOR_THAT_DETECTS_PING_OR_PRE-IGNITION_NOISE_SO_THAT_THE_IGNITION_TIMING_CAN_BE_RETARDED.?$

A. throttle position
B. manifold pressure
C. camshaft position
D. knock
Answer» E.
2.

In_electronic_fuel_injection,_there_is_improvement_in_the_______________efficiency_due_to_comparatively_less_resistance_in_the_intake_manifolds_which_will_cause_less_pressure_losses.$

A. mechanical
B. volumetric
C. overall
D. none of the mentioned
Answer» C. overall
3.

The _____________ sensor, senses rotation of engine camshaft for speed and timing of injection?

A. throttle position
B. manifold pressure
C. camshaft position
D. knock
Answer» D. knock
4.

The ___________ sensor, monitors vacuum in the engine intake manifold so that the mixture strength can be adjusted with changes in engine load.

A. throttle position
B. manifold pressure
C. camshaft position
D. knock
Answer» C. camshaft position
5.

The _____________ sensor, senses the movement of the throttle plate so that the mixture flow can be adjusted for engine speed and acceleration.

A. throttle position
B. manifold pressure
C. camshaft position
D. knock
Answer» B. manifold pressure
6.

The _____________ sensor, checks the temperature of the ambient air entering the engine for fine tuning the mixture strength.

A. engine temperature
B. exhaust gas
C. air flow
D. air inlet temperature
Answer» E.
7.

The _____________ sensor, monitors mass or volume of air flowing into the intake manifold for adjusting the quantity of fuel.

A. engine temperature
B. exhaust gas
C. air flow
D. air inlet temperature
Answer» D. air inlet temperature
8.

The _____________ sensor senses the temperature of the engine coolant, and from this data the computer adjusts the mixture strength to rich side for cold starting.

A. engine temperature
B. exhaust gas
C. air flow
D. air inlet temperature
Answer» B. exhaust gas
9.

In _____________ sensor, output voltage changes in proportion to air-fuel ratio.

A. engine temperature
B. exhaust gas
C. air flow
D. air inlet temperature
Answer» C. air flow
10.

_____________ senor senses the amount of oxygen in the engine exhaust and calculates air-fuel ratio.

A. Engine temperature
B. Exhaust gas
C. Air flow
D. Air inlet temperature
Answer» C. Air flow