Technician a Says That Spark Knock (Ping or Detonation) Can

question 12

Multiple Choice

Technician A says that spark knock (ping or detonation) can be caused by a lean air-fuel mixture. Technician B says that an inoperative cooling fan could cause the engine to spark knock. Which technician is correct?

• A) Technician A only
• B) Technician B only
• C) Both technicians A and B
• D) Neither technician A nor B

Apply cyclical scheduling to determine staffing requirements and identify excess capacity.

Understand the principles of loan payments and calculate monthly payments for varying interest rates and terms.

Calculate the future value of single and multiple cash flows given different interest rates and time periods.

Determine the present and future values of annuities under various conditions including differing rates of return and payment periods.

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Definitions:

3,000 Rpm

Refers to an engine speed of 3,000 revolutions per minute, often used to measure engine or machinery performance.

Trunnion Seals

Seals used in the trunnion bearings of a vehicle to prevent the ingress of contaminants and retain lubrication for durability.

Rosebud

A type of torch tip used in welding and cutting applications, named for its rose petal-like flame pattern, commonly used for heating.

Forged Journal Cross

A forged journal cross is a component in the driveline of a vehicle, made through forging to achieve strength and durability, used to connect different shafts within the drive system.