Before disabling the High Voltage system for service: Record the audio system radio station presets to be reprogrammed Disconnect the high voltage safety plug Turn OFF the ignition Disconnect the negative cable from the 12 volt auxiliary battery All of these steps should be performed
Which below may require testing and metering to better understand a hazard or potential hazard. A. Air contaminants B. Electrical hazards C. Soils evaluation D. Noise E.All of the above
When operating a portable drill, you should have your bit resting on the material you are about to drill. True False
Different drill manufacturers put their vents on different parts of the motor. Why should you avoid covering those vents when using the drill? Covering the vents will cause the motor to overheat and possibly burn up. Covering the vents will make the drill go slower. Covering the vents will make the drill go faster. It won't hurt the motor.
Bits are typically hot after use. True False
When using a keyed chuck (to tighten on the bit): Leave the chuck key in when using the drill Remove the chuck key before using the drill
A variation in pulse width at a fixed frequency is called: a. Duty cycle. b. Analog cycle c. Pulse-width modulation. d. Digital cycle.
Switches are being discussed Technician A says that non-ECU switches directly control a circuit's operation Technician B says that ECU-controlled switches are used as inputs to a control unit which then controls a circuit. Who is correct? a. Technician A b. Technician B c. Both Technician A and Technician B d. Neither Technician A nor Technician B
In spider silk, the B-sheet nanocrystals contribute chiefly to extensibility at low strains. resistance to plastic deformation at high loads. lubrication between fiber bundles. absorption of ultraviolet light.
Unmanned Aerial Vehicle Systems (UAVS) are capable of both passive and active sensing. True False
Water supply fittings are available for all of the following except A) copper. B) PEX. C) steel. D) CPVC.
A __ makes fast., accurate cuts in a wide variety of materials, including plastic pipes. A) motorized drain auger B) right-angle drill C) power miter saw D) MAPP torch
Which supply pipe material is inexpensive and flexible enough to make gentle bends around corners? A) PVC B) PEX C) Copper D) CPVC
Push fittings are available as all of the following except A) coupling tees. B) wye fittings. C) elbow fittings. D) shutoff valves.
The mounting nut on the toilet handle has __ threads. A) reversed B) common C)extra-large D) standard
Quizzing Mode:Combination Vehicles 2 Question (11/50) What is the emergency air line? Air lines that control the emergency brakes on combination vehicles Air lines connecting the parking brake to the trailer brakes Air lines that control the emergency brakes of the tractor
A three-valve system that's sometimes installed on the back of water softeners allows the house water to __ the softener if needed. A) enter B) exit C) bypass D) neutralize
Typically, a washing machine uses a vertical __ drain. A) tee B) vent stack C) elbow D) standpipe
When plumbing a PEX water-supply system, which of the following steps should you perform first? A) Cut each branch supply line to length. B) Install accessible copper manifolds. C) Run PEX through holes in the framing to the manifolds. D) Support the pipe with a plastic hanger.
To secure a pipe within a drilled hole , use A) putty. B) stuffed cotton. C) plastic bushings. D) wadded paper.
