AMT 287 Exam 1 Questions with Correct Answers Latest Version 2025 Graded A+
four states of matter - Answers - solids
- liquids
- gases
- plasma
volume - Answers meaning to occupy space
inertia - Answers characteristics of matter that resists change in motion
mass - Answers measure of the inertia of a body
slug - Answers corresponding English unit for measuring mass
gravitation - Answers force that results from the characteristic of particles of matter that causes
attraction or pull on other particles of matter
weight - Answers name commonly used for the gravitational force of attraction between the Earth and a
mass
density - Answers quantity which is useful when describing matter
weight density - Answers weight per unit volume
mass denisty - Answers mass per unit volume
first-class lever - Answers fulcrum is located between effort and resistance
second-class lever - Answers fulcrum at one end and effort applied at other end
third-class lever - Answers fulcrum at one end and resistance at the other
factors of work - Answers - force
- movement through a distance
sliding friction - Answers resistance to motion offered by an object sliding over a surface
power - Answers rate of doing work
energy - Answers ability to do work
forms of energy - Answers - heat (thermal)
- mechanical
, - electrical
- chemical
kinematics - Answers relationship between velocity, acceleration, and distance
velocity - Answers quantity in physics which denotes both speed of an object and direction in which the
object moves
vibration - Answers indicates periodic, continuing motion
pulse - Answers motion that comes along once-in-a-while
periodic wave - Answers one pulse follows another in regular succession
natural frequencies of vibration - Answers fundamental frequency and overtones of a mass
heat engine - Answers ability to convert fuel (chemical energy) into heat energy
thrust - Answers - force which propels aircraft
- equal to mass of air handled times the slipstream velocity minus velocity of airplane
specific weight - Answers weight of an engine per brake horsepower
specific fuel consumption - Answers basic parameter for describing the fuel economy of aircraft engines
durability - Answers amount of engine life obtained while maintaining desired reliability
crankcase - Answers housing for the crankshaft and other related internal parts.
crankshaft - Answers backbone of the reciprocating engine
cranks - Answers formed by forging offsets into a shaft before it's machined
journal - Answers serves as the crankshaft's center of rotation
crankpin - Answers section to which the connecting rod is attached
crankcheek - Answers connects crankpin to main journal
statically balanced - Answers weight of the entire assembly of crankpins, crankcheeks, and
counterweights is balanced around axis of rotation
dynamically balanced - Answers all forces created by crankshaft rotation and power impulses are
balanced w/n themselves
dynamic dampers - Answers pendulum which is fastened to crankshaft and moves freely in a small arc
connecting rod - Answers link which transmits forces between piston and crankshaft
four states of matter - Answers - solids
- liquids
- gases
- plasma
volume - Answers meaning to occupy space
inertia - Answers characteristics of matter that resists change in motion
mass - Answers measure of the inertia of a body
slug - Answers corresponding English unit for measuring mass
gravitation - Answers force that results from the characteristic of particles of matter that causes
attraction or pull on other particles of matter
weight - Answers name commonly used for the gravitational force of attraction between the Earth and a
mass
density - Answers quantity which is useful when describing matter
weight density - Answers weight per unit volume
mass denisty - Answers mass per unit volume
first-class lever - Answers fulcrum is located between effort and resistance
second-class lever - Answers fulcrum at one end and effort applied at other end
third-class lever - Answers fulcrum at one end and resistance at the other
factors of work - Answers - force
- movement through a distance
sliding friction - Answers resistance to motion offered by an object sliding over a surface
power - Answers rate of doing work
energy - Answers ability to do work
forms of energy - Answers - heat (thermal)
- mechanical
, - electrical
- chemical
kinematics - Answers relationship between velocity, acceleration, and distance
velocity - Answers quantity in physics which denotes both speed of an object and direction in which the
object moves
vibration - Answers indicates periodic, continuing motion
pulse - Answers motion that comes along once-in-a-while
periodic wave - Answers one pulse follows another in regular succession
natural frequencies of vibration - Answers fundamental frequency and overtones of a mass
heat engine - Answers ability to convert fuel (chemical energy) into heat energy
thrust - Answers - force which propels aircraft
- equal to mass of air handled times the slipstream velocity minus velocity of airplane
specific weight - Answers weight of an engine per brake horsepower
specific fuel consumption - Answers basic parameter for describing the fuel economy of aircraft engines
durability - Answers amount of engine life obtained while maintaining desired reliability
crankcase - Answers housing for the crankshaft and other related internal parts.
crankshaft - Answers backbone of the reciprocating engine
cranks - Answers formed by forging offsets into a shaft before it's machined
journal - Answers serves as the crankshaft's center of rotation
crankpin - Answers section to which the connecting rod is attached
crankcheek - Answers connects crankpin to main journal
statically balanced - Answers weight of the entire assembly of crankpins, crankcheeks, and
counterweights is balanced around axis of rotation
dynamically balanced - Answers all forces created by crankshaft rotation and power impulses are
balanced w/n themselves
dynamic dampers - Answers pendulum which is fastened to crankshaft and moves freely in a small arc
connecting rod - Answers link which transmits forces between piston and crankshaft
