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ASVAB AIR FORCE STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS
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ASVAB AIR FORCE STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS
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ASVAB AIR FORCE STUDY GUIDE QUESTIONS WITHCORRECT ANSWERS
Direct Current (DC) - CORRECT ANSWER-a steady flowing type of electricity,
produced by batteries and used in flashlights, boom boxes, and computers.
Voltage - CORRECT ANSWER-Annotated as a capital V, force that affects the rate
at which electricity flows through a conductor (aka: electrical pressure). The higher
it is the more likely electricity will "leak" across an insulator or an air gap.
Resistance - CORRECT ANSWER-is the opposition of a material to the flow of
electricity through it. ALL circuits must have this. If they do not they are then
considered short circuits which can lead to wires overheating
Amperes - CORRECT ANSWER-Annotated as a capital A, represents current
strength
Ohms - CORRECT ANSWER-Annotated as Ώ, represents the measurement of the
resistance in any circuit.
Watts - CORRECT ANSWER-Annotated as a capital W, represents the
measurement of power consumed by an electrical device.
Circuit Rule - CORRECT ANSWER-Current is the same at all points in a series
circuit. Voltage is the same at all points in a parallel circuit.
Typical Wiring - CORRECT ANSWER-3 Wires (black, white, bare) Black- hot
conductor, White - grounded conductor aka neutral, Bare - Alternative route utilized
in case of an emergency.
Ohm's Law - CORRECT ANSWER-Describes the relationship between voltage,
amperage, and ohms:
A = V/ Ώ
The Law of Electrical Power - CORRECT ANSWER-used to calculate the amount
of power consumed by an electrical or electronic device:
W=VxA
Finding Resistance in a Circuit - CORRECT ANSWER-Series - add the resistance
Asvab Air force study guide questions with correct answers
, of each load
Parallel - add the inverses of the resistance
Memorize this order of operations in an Otto cycle engine - CORRECT ANSWER-
INTAKE - The piston moves down, creating a partial vacuum in the cylinder. The
fuel air mixture enters the cylinder through the open intake valve. The exhaust valve
is closed.
COMPRESSION- Both valves are closed. The piston moves up, compressing the
fuel-air mixture to about ten times atmospheric pressure.
POWER- The spark plugs fire, starting an explosion inside the cylinder. The
resulting high pressure pushes the piston down.
EXHAUST- The piston moves up again, with the exhaust valve open and the intake
valve closed. The piston pushes burned exhaust gases into the exhaust manifold and
out of the engine.
Viscosity - CORRECT ANSWER-measures the thickness of the oil. Measured by
S.A.E. numbers which range from very light SAE 5 to SAE 90, typically for regular
driving oil is rated at SAE 30 to 40.
Automobile Engine Troubleshooting - CORRECT ANSWER-1 A "ping" or
"knocking" sound on acceleration usually means that you need a higher octane
gasoline. The noise indicates that the fuel-air mixture is igniting too soon inside the
cylinder.
2 A squealing noise that increases with engine speed indicates a loose or worn fan
belt.
3 An engine that runs extremely rough may have a failed spark plug or some other
problem within the ignition system.
4 General sluggishness, roughness, or poor fuel mileage all indicate the need for a
tune-up.
5 Loud clanking sounds may indicate major engine problems that will only get
worse if you ignore them.
The differential has three jobs: - CORRECT ANSWER-1 Allow different movement
of the two axels, so that the car can turn a corner.
2 Change drive directions. In rear-wheel-drive cars, it connects to the drive shaft that
runs from front to back and powers the axles, which run from side to side.
3 Increase Power. It usually reduces the drive speed, so that three to four input
revolutions create one turn of the axles.
Important notes regarding spark plugs - CORRECT ANSWER-1 Is coated with a
greasy black substance, the cylinder is leaking oil, probably because of worn piston
Asvab Air force study guide questions with correct answers
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