Asvab Top Notch Exam Prep Review.
100% Accurate. Approved mastery.
intake cycle - ✔✔-the intake valve opens as the connecting rod pulls the piston down, drawing the
gas/air mix into the cylinder
compression cycle -
...
Asvab Top Notch Exam Prep Review.
100% Accurate. Approved mastery.
intake cycle - ✔✔-the intake valve opens as the connecting rod pulls the piston down, drawing the
gas/air mix into the cylinder
compression cycle - ✔✔-the valves are closed, the connecting rod pushes the piston up, compressing
gas/air mix
power cycle - ✔✔-the spark plug ignites the gas/air mix, forcing the piston down. that pushes down on
the connecting rod, turning the crankshaft; the crankshaft turns the flywheel, which keeps the engine
going
exhaust cycle - ✔✔-the exhaust valve opens as the connecting rod moves the piston back up, pushing
out the exploded gases. the valves are timed, of course, using push rods attached to the camshaft
intake valve - ✔✔-allows air-fuel mixture to be drawn into the combustion chamber.
combustion chamber - ✔✔-An enclosed container in which fuel and air are burned for the production of
energy
connecting rod - ✔✔-The connecting link between the piston and the crankshaft
piston - ✔✔-movable part in the cylinder forced into motion by explosion of fuel
cylinder - ✔✔-a chamber within which piston moves
spark plug - ✔✔-electrical device that fits into the cylinder head of an internal-combustion engine and
ignites the gas by means of an electric spark
crankshaft - ✔✔-Turns the piston's up and down motion into circular motion
flywheel - ✔✔-regulator consisting of a heavy wheel that stores kinetic energy and smooths the
operation of a reciprocating engine
camshaft - ✔✔-a rotating shaft within the engine that opens and closes the intake and exhaust valve in
the engine
tachometer - ✔✔-An instrument used to measure the speed of a revolving shaft in revolutions per
minute.
carburetor - ✔✔-a device that blends air and fuel for most older cars (pre-1990). As air moves quickly
through the _____, it creates a vacuum, which draws more and more fuel into the mixture
fuel injector - ✔✔-an electrically controlled valve that delivers a precise amount of pressurized fuel into
each combustion chamber.
throttle - ✔✔-a valve that regulates the supply of fuel to the engine
water jackets - ✔✔-Channels in the engine through which water and coolant circulate to cool the
engine.
water pump - ✔✔-the pump in the cooling system of an automobile that cause the water to circulate
radiator - ✔✔-The part of a car engine which removes heat from the cooling water that circulates
through the engine
oil pump - ✔✔-An engine-driven pump that delivers oil to the engine's moving parts.
starter - ✔✔-an electric motor for starting an engine
alternator - ✔✔-sends an electric current to the battery to keep the battery charged and also powers
the other electronic gadgets on your car when the engine is running
ignition system - ✔✔-supplies a high voltage current to the spark plugs to ignite the fuel mixture in the
cylinders
12 - ✔✔-most vehicles use a ___ volt battery
distributor - ✔✔-dispenses electric current to the spark plugs of a gasoline engine
breaker points - ✔✔-a rotating shaft and a switch within the distributor routes the current through
wires to the spark plugs
condenser - ✔✔-absorbs excess current and protects the breaker points from damage by the high
voltage surge
drive system - ✔✔-transfers the power of the engine to the wheels to make them move
axle - ✔✔-the shaft on which the wheels revolve
universal joint - ✔✔-allows the axle to move up and down without breaking the drive shaft
drive shaft - ✔✔-the _____ is the connecting component that carries torque and transmits rotation
transmission - ✔✔-changes the speed of the engine in relation to the speed of the rear wheels, the front
wheels, or all the wheels
torque converter - ✔✔-automatically shifts the amount of torque used according to what is needed
clutch - ✔✔-disconnects the engine from the drive shaft which is necessary in order to change to a
different gear and allows the engine to run when the car isn't moving
brake system - ✔✔-consists of a master cylinder that has break lines filled with brake fluid running from
it
drum breaks - ✔✔-break lines are connected to a hydraulic cylinder on each wheel
hydraulic cylinder - ✔✔-contains pistons that move outward and force two brake shoes against the ____
that rotates the wheel
disk breaks - ✔✔-the master cylinder forces a caliper, containing a piston, with brake shoes on each
side, to squeeze against _____in each wheel , thus stopping the car by using fluid and releasing hot air
positive crankcase ventilation - ✔✔-forces unburned or partially burned fuel back in the cylinder so the
fuel can be burned
air-injection system - ✔✔-forces air into the engine's exhaust system to burn unburned or partially
burned fuel before the fuel comes out the exhaust pipe
catalytic converter - ✔✔-oxidizes hydrocarbons and carbon monoxide into water vapor and carbon
dioxide; this system doesn't control other types of pollutants such as nitrogen oxides
exhaust-gas-recirculation system - ✔✔-helps control nitrogen-oxide emissions by forcing some of the
gases back into the cylinders
sliding calipers - ✔✔-
mortising chisel - ✔✔-
ratchet - ✔✔-
socket wrench - ✔✔-
c-clamp - ✔✔-
pipe wrench - ✔✔-
box-end wrench - ✔✔-
socket chisel - ✔✔-
butt chisel - ✔✔-
sledge - ✔✔-used to drive bolts and chisels and to break rock
wrenches - ✔✔-used to turn nuts and bolts or keep the nuts and bolts stationary
box wrench - ✔✔-closed
socket wrench - ✔✔-vary in sizes and can be attached to a handle, which in turn can be attached to an
extension
torque wrench - ✔✔-apply additional leverage to a fastener; looks like a socket wrench but has
additional internal mechanisms designed to measure and limit the amount of force being applied
pipe wrench - ✔✔-have serrated jaws and grip round objects
allen wrench - ✔✔-screwdriver that fits hexagonal screw heads
offset screwdriver - ✔✔-has the shank set at an angle to the blade to allow the tool to be used in
cramped spaces
curved nose pliers - ✔✔-curved jaws
slip joint pliers - ✔✔-can be adjusted so the handles lock in a certain position
wrench or vise grip pliers - ✔✔-has serrated jaws that clamp onto and hold objects of all shapes
cutting pliers - ✔✔-are used to cut wire
a saw with fewer teeth - ✔✔-is used for rough work, like cutting wood to size
a saw with more teeth - ✔✔-cuts more finely and is sued for more delicate work. like sawing joints and
lightweight pieces of wood
bolt cutters - ✔✔-heavy duty shears that produce enough force when the handles are closed to slice
through metal bolts or rods
circle snips - ✔✔-used to cut curves
crosscut saw - ✔✔-type of handsaw that cuts against the grain of the wood
coping saw - ✔✔-type of handsaw that's used to cut curved lines or shapes
hacksaw - ✔✔-type of handsaw that's used to cut metal
pipe cutters and tube cutters - ✔✔-used to score and cut metal pipes and tubes
ripsaw - ✔✔-type of handsaw that cuts with the grain of the
snips and shears - ✔✔-has two cutting blades that scissor together when the handles close; the blades
can be curved or straight
drill bits - ✔✔-twist drills uses _____; round pieces of steel shaped in a spiral to create holes
countersink - ✔✔-a drill bit that enlarges just the surface of a hole so that a screw head can be
accommodated; is sued to allow the top of the fastener to be sex exactly even with the material to
which it's attached otherwise the fastener would slightly protrude from the material
auger bit - ✔✔-a drill bit that bore larger holes and has a long deep spiral flute for easy chip removal;
used with a brace for drilling holes into wood
punches - ✔✔-has a sharp end that's placed against the material to be punctured; the other end is truck
with a hammer; is used to mark where a drilled hole is to be placed; this keeps the drill bit in position
and prevents the drill from jumping to another part of the material
metal cutting chisel - ✔✔-cut metal that is usually struck with a mallet to make the cut
cold chisel - ✔✔-flat metal chisel and are used for cutting metals without using heating torches or forges
round chisel - ✔✔-round metal chisel used to make circular cuts; are used for cutting metals without
using heating torches or forges
socket chisel - ✔✔-wood chisel that's struck with a mallet
butt chisel - ✔✔-wood chisel that has a short blade and is used for in-close work
mortising chisel - ✔✔-wood chisel that has a narrow blade made for chiseling out the narrow mortises in
joints
framing chisel - ✔✔-wood chisel that has a heavy, strong blade meant for rough work
filing and finishing shop tools - ✔✔-used to sharpen the blades of other tools and to smooth the edges
of cut metal objects
single cut file - ✔✔-used for finishing work and sharpening blades
double cut file - ✔✔-are used for rough work
flat files and half round files - ✔✔-used for general purposes
square and round files - ✔✔-fit square and round openings
planes - ✔✔-a type of finishing tool used to prepare wood for final finishing and to fit doors and trim;
consist of a handle to push with, a knob to guide with, a frame, a sole, and a mouth (where the blade is)
bench planes - ✔✔-used to smooth surfaces
calipers - ✔✔-a pinching instrument used for determining the thickness of objects or the distance
between surfaces
square - ✔✔-has two arms called the blade and the tongue that meet at a right angle
sliding t-bevel - ✔✔-has an adjustable blade so that different angles can be checked
plumb bob - ✔✔-a heavy weight that's suspended from a line that indicates vertical trueness
penny system - ✔✔-nail length is designated by _______ that indicates the nail's length; the higher the
______, the longer the nail
spikes - ✔✔-nails that are larger than 20-penny and are measured in inches
brads and inishing nails - ✔✔-nails that have heads that are made to fit flush with our slightly below the
surgace of the wood
double-headed nails - ✔✔-nails with one lower head than the other and a point on the upper head; the
nail is driven to the lower head but can be pulled out of the material because of the remaining higher
head
lag screws - ✔✔-has square or hexagon shaped heads
bolts - ✔✔-don't thread into wood; has flat ends and held in place by a nut and washer
machine screws - ✔✔-used to fasten metal parts; are sometimes used with nuts
shake proof washer - ✔✔-has teeth to prevent them from skipping
slip-lock washer - ✔✔-has two ends that dig into the nut and the material to keep the screw from
slipping out
rivets - ✔✔-used to fasten metal parts together, especially when a weld is insufficient
bucking bar - ✔✔-used to drive standard rivets
pop rivets - ✔✔-can be driven when only one side of a joint is accessible
meter - ✔✔-unit of length
liter - ✔✔-unit of volume
gram - ✔✔-unit of mass
Ockham's razor - ✔✔-states "when given two equally valid explanations for a phenomenon, one should
embrace the less complicated formulation"
milli- (m) - ✔✔-one-thousandth (0.001)
centi- (c) - ✔✔-one-hundredth (0.01)
deci- (d) - ✔✔-one-tenth (0.1)
deca- (da) - ✔✔-10
hecto- (h) - ✔✔-100
kilo- (k) - ✔✔-1,000
mega- (M) - ✔✔-1,000,000
fahrenheit - ✔✔-water freezes at 32° and boils at 212°
celsius or centigrade - ✔✔-water freezes at 0° and boils at 100°
kelvin - ✔✔-water freezes at 273.15 and boils at 373.15
convert from Celsius to Fahrenheit - ✔✔-9/5C ⁺ 32
convert Fahrenheit to Celsius - ✔✔-5/9 (F ⁻ 32)
to get temperatures in the kelvin scale - ✔✔-add 273.12 degrees to the Celsius temperature; C ⁺ 273.15
entomology - ✔✔-study of bugs and insects (bugs with 6 legs), not arachnologist who studies spiders
and other creatures with 8 legs
ichthyology - ✔✔-study of fish in the zoology branch
taxonomy - ✔✔-provides official names for every plant and animal and helps scientists understand how
living creatures are related to one another
kingdom - ✔✔-the broadest level so it contains the most kind of organisms
phylum - ✔✔-organisms are divided into phyla by general characteristics
organisms in a phylum are divided into ____ - ✔✔-classes
the level after class in the classification system - ✔✔-order
the level after order in the classification system - ✔✔-family
genus - ✔✔-two or more species that share unique body structures or other characteristics similar
enough for it to be considered the same _____
species - ✔✔-the most specific level, so it contains the fewest types of organisms
King Philip Can Order Fine Good Spaghetti - ✔✔-kingdom, phylum, class, order, family, genus, species
the kingdom that includes bacteria and cyanobacteria (blue-green algae) - one cell organisms that don't
have a nucleus - ✔✔-Monerans
the kingdom that includes one-celled organisms that do have a nucleus - ✔✔-Protists
the kingdom that does not photosynthesize like plants, but have cell walls made of a carbohydrate
called chitin; examples are mushrooms or yeast - ✔✔-Fungi
prokaryotes - ✔✔-cells that do not contain nuclei
nucleus - ✔✔-a part of the cell containing DNA and RNA and responsible for growth and reproduction
cytoplasm - ✔✔-a jellylike fluid inside the cell in which the organelles are suspended
cell membrane - ✔✔-thin, flexible barrier around a cell; regulates what enters and leaves the cell
____ cells have a firm cell wall that supports and protects the cell. - ✔✔-plant cells
____ cells have larger vacuoles - ✔✔-plant cells
____ contain chloroplasts, which contain chlorophyll - ✔✔-plant cells
____ cells contain centrioles - ✔✔-animal cells
____ cells have lysosomes - ✔✔-animal cells
vacuoles - ✔✔-spaces in the cytoplasm that store food and water
chloroplasts - ✔✔-capture energy from sunlight and use it to produce food for the cell
chlorophyll - ✔✔-green pigment in plants that absorbs light energy used to carry out photosynthesis
centrioles - ✔✔-two tiny structures located in the cytoplasm near the nuclear envelope
lysosomes - ✔✔-cell organelle filled with enzymes needed to break down certain materials in the cell
chromatin - ✔✔-thin fibers containing genes
nucleoplasm - ✔✔-protoplasm (living material) in the nucleus
ribosome - ✔✔-combines amino acids into proteins
mitochondria - ✔✔-produces the energy for cellular activity
osmosis - ✔✔-movement of water through the cell membrane
phagocytosis - ✔✔-acquisition of particles of material from outside of the cell; it's accomplished by
surrounding the particles and passing them through the cell membrane.
cellular respiration - ✔✔-process in which food is broken down, producing energy
a healthy person contains ___ pairs of chromosomes - ✔✔-23
chromosome - ✔✔-threadlike structure within the nucleus containing the genetic information that is
passed from one generation to the next
mitosis - ✔✔-when the nucleus of a non sex cell divides, forming two cells and two identical sets of
chromosomes
meiosis - ✔✔-when a sex cell divides into four cells, each containing only half the number of
chromosomes as a non sex cell
dominant gene - ✔✔-A gene that is expressed when paired genes are different
recessive gene - ✔✔-A gene whose influence is masked when paired genes are different
element - ✔✔-any substance that cannot be broken down into simpler substances
atom - ✔✔-the smallest component of an element having the chemical properties of the element
electron - ✔✔-negatively charged particle; located outside the atomic nucleus
neutron - ✔✔-a subatomic particle that has no charge and that is found in the nucleus of an atom
proton - ✔✔-a subatomic particle that has a positive charge and that is found in the nucleus of an atom
atomic number - ✔✔-the number of protons in the nucleus of an atom
molecule - ✔✔-a combination of two or more atoms
compound - ✔✔-two or more elements that are chemically combined
element - ✔✔-any substance that cannot be broken down into simpler substances
periodic table - ✔✔-an arrangement of the elements in order of their atomic numbers so that elements
with similar properties fall in the same column, or group
atomic weight - ✔✔-the average mass of one atom of the element
atomic number for hydrogen - ✔✔-1
atomic number for helium - ✔✔-2
atomic number for carbon - ✔✔-6
atomic number for nitrogen - ✔✔-7
atomic number for oxygen - ✔✔-8
atomic number for sodium - ✔✔-11
atomic number for copper - ✔✔-29
atomic number for gold - ✔✔-79
atomic number for mercury - ✔✔-80
atomic number for lead - ✔✔-82
atomic number for uranium - ✔✔-92
atomic number for plutonium - ✔✔-94
atomic number for magnesium - ✔✔-12
kinetic energy - ✔✔-the energy of motion
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