In the induction stage of the Otto cycle the inlet valve is:

Rome through the General Aircraft Technical Knowledge Exam. Dive deep into the core concepts of aircraft operation. Tackle multiple-choice questions and detailed explanations to ensure you soar to success. Prepare meticulously and conquer your test!

Multiple Choice

In the induction stage of the Otto cycle the inlet valve is:

Explanation:
Induction is the intake stroke, so the inlet valve must be open to admit the air-fuel mixture into the cylinder. As the piston moves downward, the volume increases and the pressure inside drops below atmospheric pressure, drawing the charge in through the open intake port. If the inlet valve were closed during this stage, nothing could enter the cylinder, and the engine wouldn’t fill the cylinder for the next compression stroke. The exhaust valve stays closed during induction to prevent exhaust gases from escaping, and only after induction ends does the intake valve close and the compression stroke begin with both valves shut.

Induction is the intake stroke, so the inlet valve must be open to admit the air-fuel mixture into the cylinder. As the piston moves downward, the volume increases and the pressure inside drops below atmospheric pressure, drawing the charge in through the open intake port. If the inlet valve were closed during this stage, nothing could enter the cylinder, and the engine wouldn’t fill the cylinder for the next compression stroke. The exhaust valve stays closed during induction to prevent exhaust gases from escaping, and only after induction ends does the intake valve close and the compression stroke begin with both valves shut.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy