Technician A says that a vacuum leak can cause a rough idle or stalling. Technician B says that spark knock (ping or detonation) is often caused by a too rich air-fuel mixture or an excessively low engine operating temperature. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician


A

Trades & Technology

You might also like to view...

When using a drill press, make sure the workpiece is _____.

a. secured to the table b. free to move c. lubricated d. upside down

Trades & Technology

A properly limed and fertilized forage crop is the backbone of a successful crop:

a. row c. yield b. selection d. rotation

Trades & Technology

Farmers have been practicing recycling for a long time by applying ______ to their fields

A) water B) seeds C) extra soil D) manure

Trades & Technology

What is the relationship between current and voltage in a purely resistive circuit?

A. The current lags the voltage by 90°. B. The current leads the voltage by 90°. C. The current and voltage are 180° out of phase with each other. D. The current and voltage are in phase with each other.

Trades & Technology