Two Technicians Are Discussing How Excessive Valve Overlap Affects a Turbocharged

question 45

Multiple Choice

Two technicians are discussing how excessive valve overlap affects a turbocharged engine. Technician A says that a turbocharger operates on backpressure in the exhaust. Technician B says that if the turbo operates at too low an rpm, backpressure can flow through the open exhaust valve into the intake air stream, limiting boost pressure into the cylinder. Who is right?

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

---

Definitions:

Bad Events

Negative occurrences or experiences that can induce stress, trauma, or emotional distress in individuals.

Pessimistic Explanatory Style

A tendency to explain negative events in a way that attributes them to stable, internal, and global causes.

Interpret Bad Events

The cognitive process of explaining and assigning meaning to negative occurrences or adversity.

Big Five Personality Traits

A theoretical model of personality that includes five broad dimensions: openness, conscientiousness, extraversion, agreeableness, and neuroticism, structuring human personality.