Author Question: Technician A says that all valves rotate to help prevent the valves and seats from burning. ... (Read 343 times)

krzymel · **on:** Jun 23, 2018

Technician A says that all valves rotate to help prevent the valves and seats from burning. Technician B says that positive type valve rotators are only used on intake valves. Which technician is correct?

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

Question 2

Technician A says that most digital and analog (needle-type) dash gauges use variable resistance sensors. Technician B says that permanent-magnet (PM) generators produce an AC signal and are used for vehicle speed and wheel speed sensors. Who is right?

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