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ENGINE REPAIR Midterm Exam Questions
with 100% Correct Answers Latest Update
Attained Grade A+
In an HCCI engine, combustion immediately and simultaneously produces a
steady flame across the mixture.
Ans: False
SAE mandates that the engine, when viewed from the front, will be rotating in a
counterclockwise direction.
Ans: False
The camshaft is always located in the engine block.
Ans: False
Which of the following statements about engines is not true?
Ans: Only gasoline engines are classified as internal combustion.
Which stroke in the four-stroke cycle begins as the piston reaches BDC after
combustion takes place?
Ans: Exhaust stroke
Which of the following is not a true statement about diesel engines?
Ans: Diesel engines rely on glow plugs instead of spark plugs to initiate ignition.
Technician A says head gasket thickness has an effect on compression ratio.
Technician B says connecting rod length has an effect on compression ratio. Who
is correct?
, © 2025/ 2026 | ® All rights reserved
ENGINE REPAIR Midterm Exam Questions
with 100% Correct Answers Latest Update
Attained Grade A+
In an HCCI engine, combustion immediately and simultaneously produces a
steady flame across the mixture.
Ans: False
SAE mandates that the engine, when viewed from the front, will be rotating in a
counterclockwise direction.
Ans: False
The camshaft is always located in the engine block.
Ans: False
Which of the following statements about engines is not true?
Ans: Only gasoline engines are classified as internal combustion.
Which stroke in the four-stroke cycle begins as the piston reaches BDC after
combustion takes place?
Ans: Exhaust stroke
Which of the following is not a true statement about diesel engines?
Ans: Diesel engines rely on glow plugs instead of spark plugs to initiate ignition.
Technician A says head gasket thickness has an effect on compression ratio.
Technician B says connecting rod length has an effect on compression ratio. Who
is correct?
, © 2025/ 2026 | ® All rights reserved