True or False? Personal fall protection systems typically include a safety net secured under the work platform of a scaffold.
When welding with the GTAW process, tungsten inclusions can be caused by improper grinding of the electrode. A. True B. False
An engine that has a valve train A Two-stroke B Four-stroke
When checking for proper operation of a low-voltage transformer, what is the first place that should be measured for voltage? at the associated power panel circuit breaker the transformer secondary the transformer primary at the unit power on/off switch
A low-pressure safety control is set to shut down the compressor in the event of refrigerant loss. True False
The airframe of a fixed -wing aircraft consists of five principal units: the fuselage , wings, stabilizers , flight control surfaces , and landing gear. False True
When actuation oil enters the HEUI, which of the following components does it act directly on? nozzle valve fuel pump chamber amplifier piston fuel pressure regulator
How is effective pump stroke managed in a HEUI fuel system? engine control module (ECM) mechanical governor throttle position sensor angle road speed governor programming
What is a unique trait of induction cooktops? Answer A. Glass surface B. Open flames C. Exposed coils D. Magnetic cooking
What type of refrigerant must leave the cylinder as a liquid to prevent the separation of the different components in refrigerant? Azeotropic mixtures Zeotropic mixtures Comlb All refrigerants
Which process melts an ore to separate useful metals from the rest of the elements in the ore? smelting mining prospecting alloys
Which type of mine may be used to remove coal from a coal seam deep underground? open pit mine strip mine subsurface mine underwater mine
(1) How do self-driving cars travel safely on the streets? Sensors and cameras help self-driving cars $\square $ and $\square $ on the road.
An all wheel drive vehicle increases traction and allows the driver to better manage the vehicle in inclement weather. True False
Which is a likely reason a jacket might contain interfacing? to help it keep its shape to avoid the need for dry cleaning to make the garment easier to construct to absorb odors
The biggest maintenance problem in pneumatic systems is __ Rusted components Noisy components Overheating Air leakage
Never stand directly behind the saw blade. True False
Q7: On right side pistons the arrow on the top of the piston and the dimple on the rod __ and on left side pistons the arrow on the top of the piston and the dimple on the rod __ A. are on opposite sides / are on the same side B. face the outside of the engine/ face the inside of the engine C. face the same direction/ are on opposite sides D. face the inside of the engine/ face the outside of the engine
Technician A says that if the vehicle battery is below 12.4 volts when testing with a voltmeter it should be charged with a smart battery charger . Technician B says that correct tire readings ; are listed on a placard on the driver's side door frame. Who is correct? A) Technician A only B) Technician B only C) Both Technician A and B D) Neither Technician A nor B
The recommended tire air pressure can typically be found: In the owner's manual On a placard typically located on the driver's doorjamb On the side of the tire Both A and B
