Circuit breakers: control the amperage of an electrical current flowing into a house. are designed to keep direct currents from alternating courses allow electrons to flow freely through an insulator
Los electrones fluyen más fácilmente a través de cables cortos y gruesos porque en cables más largos y delgados, los electrones: Ambas opciones son correctas. tienen menos espacio para moverse. tienen que recorrer una distancia mayor.
Question: Which is not a part of the brake system? Options: Master Cylinder Disc Brakes Water Pump Parking Brake
Truck-mounted and rough terrain cranes are both forms of a mobile crane and both use which of the following to increase their stability? A. Outriggers B. Balance beams C. External balance calculators D. Internal balance calculators
You must adjust the chain after replacing the flapper. Select one: True False
What may be the issue if the water leaks from the toilet base? A. The flapper is damaged B. The flush valve is damaged C. The fill valve is damaged D. The wax seal is damaged
What is the symptom of a damaged tank -to-bowl gasket? A. Water leaks at the base of the bowl B. Water leaks at the bottom of the tank C. Toilet intermittently runs without flushing D. High water level in the tank
Question 4 Modulation Error Ratio is another name for Error Vector Magnitude SELECT ONE A True B False
used within 500 feet of an approaching vehicle Choose the category below that the above fact relates to. flashed headlights high beams low beams hazard lights
Question 1 What type of video demodulator provides the best linearity? STIFCTONE A Synchronous demodulator B Envelope detector
18. When you get done with running a bead on your welder, you should __ A. Turn off the welder B. Remove the electrode from the holder C. Set up your materials for your next pass D. Uncontrollably waive the live holder around your work space
What does a marine pump out station do? Pumps out waste from holding tanks Cleans contaminated fuel tanks Removes water from flooded bilges Controls water flow at a dam
A vertical spill is the toughest to control due to (Select all that apply): You do not know what the material will come in contact with You cannot see where the spill is going It is not easily contained. They are predictable
3 Multiple Choice 1 point In welding detail drawings welding symbols are used to show how the pieces are to be __ cut joined aligned machined Multiple Choice 1 point The main purpose of an assembly drawing is to show how the parts are __ to be used leader line going to appear in three dimensions put together in relation to one another
Resistance welding uses electric current and __ to join metals. continuous electrodes electron beams ionized gas pressure
When surfacing with high-alloy ferrous materials, the abrasion resistance __ and the impact strength __ as the alloy content increases. decreases, decresses decreases, increases increases, decreases increases; increases
Which of the following is a step in edge preparation for ferrous metals? Aligning the edges Cutting or gouging the edge Marking the weld's location Removing nicks and burrs
Which humidifier uses a pad consisting of numerous layers of a tight metallic mesh wetted by water delivered from above? Fixed filter Piezoelectric Plate Vaporizing Question 4 Which humidifier uses a series of porous materials that wick water upward to be evaporated by passing air? Fixed filter Piezoelectric Plate Vaporizing 5
In shielded metal arc welding, the shield is made of alloy metal flux gas oxides
22. Cylinder seals were commonly made from which of the following materials? a. Gold b. Glass c. Bronze d. Limestone
