Author Question: Technician A says that backup sensors use LEDs to detect objects. Technician B says that a backup ... (Read 193 times)

casperchen82 · **on:** Jun 22, 2018

Technician A says that backup sensors use LEDs to detect objects. Technician B says that a backup sensor will not work correctly if the paint is thicker than 0.006 inch. Who is right?

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

Question 2

An alternator diode is being tested using a DMM (digital multimeter) set to the diode check position. A good diode will read ________ if the leads are connected one way across the diode and ________ if the leads are reversed.

A) 0.551 ohms; OL B) OL; OL
C) 0.475 ohms ; 0.475 ohms D) 300 ohms; 300 ohms