Untitled Studyset

Kinematics is the study of...

Motion

1/161

Match Practice Test Progress & Stats

Term	Definition
Kinematics is the study of...	Motion
An Automaton is basically...	A collection of mechanisms
Another name for linear motion is...	Translation
The Greek letter that represents rotational rate is...	ω (omega)
The Greek letter that represents an angle is...	θ (theta)
The acceleration due to Earth's gravity at sea level is about...	9.8m/sec
An example of an oscillating mechanism is a...	Clock Pendulum
An example of a reciprocating mechanism is...	A sewing machine needle, a car engine's piston, a driver on a railroad steam engine, etc.
For a reciprocating motion, Xr and Xy can be calculated using...	Sines and Cosines.
For a reciprocating motion, what are the main parts of the system?	The Crank, Slider, Driving Shaft, and the Rod with U-Shaped Hook.
A Scotch Yoke is a reciprocating mechanism.	True
A device is disassembled during a Structural Analysis.	True
For a Reverse Engineering Analysis, inputs and outputs are part of the Visual Analysis.	False
Kinematics does not require math for an analysis.	False
Position during Linear Motion at a constant velocity can be described using x=1/2 x a x t^2.	False
Position during Rotational Motion at a constant angular rate can be described using θ = ω x t.	True
The sine and cosine functions are identical except that they are separated by 90 degrees.	True
The only force acting on a simple pendulum is the tension in the supporting string.	False
An artistic and comical device is a good description of an Automaton.	True
A common unit for angular velocity is feet/second.	False
The gear ratio can be found by counting the gears'...	TEETH!
The mechanical quantity that doesn't change through a gear train is...	Power or Torque
One gear driving another gear can trade off...	Torque and Angular Velocity.
A Knurl on a part is...	A set of ridges that makes the part easier to grip.
Variables in a calculation that change based on other variables are said to be...	Dependent
The longest side of a right triangle is the...	Hypotenuse
Cams in a gasoline engine control the movement of...	Valves
The thermodynamic cycle in a gasoline engine is known as a...	Otto Cycle
The stroke sequence in a gasoline engine is...	intake, compression, power, exhaust
The part of a cam system that touches the cam's surface is the...	Follower
The "across" variable in electricity is...	Voltage
The cam profile that can only rotate in one direction is a...	Snail
In electronic design, wires are treated as perfect conductors.	True
A heart cam can be used to generate multiple maximum motions.	True
A discontinuity in a cam profile requires multiple math expressions to describe the profile.	True
The "through" variable for electricity is resistance.	False
A breadbox is a device used to make temporary connections between electronic components.	False
In a car engine, the spark plug ignites the air-fuel mixture at the start of the power stroke.	True
In an offset cam, the cam's center is offset from the shaft center.	True
Benjamin Franklin was correct when he stated that electricity is the movement of positive charges.	False
A DMM can measure voltage, current, and phase angle.	False
In conventional house wiring, the utility company considers the ground to be "zero" volts.	True
A set of sine waves that can approximate any repeating waveform is a...	Fourier Series
A Line Chart can show us a CAM's follower motion, but a ___________ can show us that actual CAM profile.	Radar Chart
The Formula y=Ae^-B(θ-C)^2 yields a plot of a...	Bell Curve
The maximum and minimum values of a sine function are...	1 and -1
A CAM that has discontinuities is a...	Hexagonal Cam
Code Division Multiple Access (CDMA) is a key part of the communication system for...	Wi-Fi, Bluetooth, Cellular Phones, etc.
A basic electrical circuit needs...	A voltage source, conductors, and a load.
One volt is defined as...	1 joule per coulomb.
One ampere is defined as...	1 coulomb per second.
Forms of Ohm's Law are...	V=1*R, I=V/R, R=V/I, and more.
To invert a bell curve, simply multiply the function by -1 and add 1.	True
A coulomb is approximately 1 million electrons.	False
There are actually no discontinuities in nature. It is only a mathematical concept.	True
The "across" variable for electricity is current.	False
An LED lightbulb uses approximately 10% of the energy an incandescent lightbulb uses for the same light output.	True
The rows in a breadboard that are next to red and blue lines are called "rails."	True
On a breadboard, aside from rails, connections exist in sets of five in the columns.	True
The voltage across a wire should be about zero.	True
To measure 5 volts, the DMM range should be set to 2 Volts.	False
In an incandescent lightbulb, the energy that is not used to make visible light is dissipated in the form of a chemical synthesis.	True
Kinematics is the study of...	Motion
An Automaton is basically...	A collection of mechanisms.
One gear driving another gear can trade off...	Torque and angular velocity.
The Greek letter that represents rotational rate is...	ω (omega)
The Greek letter that represents an angle is...	θ (theta)
A set of sine waves that can approximate any repeating waveform is a...	Fourier Series
An example of a reciprocating mechanism is...	A sewing machine needle, a car engine's piston, a driver on a railroad steam engine, etc.
The longest side of a right triangle is the...	Hypotenuse
A Line Chart can show us a CAM's follower motion, but a __________ can show us the actual CAM profile.	Radar Chart
Cams in a gasoline engine control the movement of...	Valves
The formula y=Ae^-B(θ-C)^2 yields a plot of a...	Bell Curve
The maximum and minimum values of a sine function are...	1 and -1
The thermodynamic cycle in a gasoline engine is known as a...	Otto Cycle
A basic electrical circuit needs...	A voltage source, conductors, and a load.
One volt is defined as...	1 joule per coulomb.
1 ampere is defined as...	1 coulomb per second.
Forms of Ohm's Law are...	V=I*R, I=V/R, R=V/I, and more.
The part of a cam system that touches the CAM's surface is the...	Follower
The "across" variable in electricity is...	Voltage
The "through" variable in electricity is...	Current
For a Reverse Engineering Analysis, inputs and outputs are part of the Visual Analysis.	False
A devise is disassembled during a Structural Analysis.	True
Kinematics does not require math for an analysis.	False
Position during Linear Motion at a constant velocity can be described using x=1/2at^2.	False
Position during Rotational motion at a constant angular rate can be described using θ=ω*t.	True
The sine and cosine functions are identical except that they are separated by 90 degrees.	True
An artistic and comical device is a good description of an Automaton.	True
A common unit for angular velocity is feet/second.	False
In electronic design, wires are treated as perfect conductors.	True
A discontinuity in a cam profile requires multiple math expressions to describe the profile.	True
A breadbox is a device used to make temporary connections between electronic components.	False
In a car engine, the spark plug ignites the air-fuel mixture at the start of the power stroke.	True
Benjamin Franklin was correct when he stated that electricity is the movement of positive charges.	False
A DMM can measure voltage, current, and phase angle.	False
In conventional house wiring, the utility company considers the ground to be "zero" volts.	True
A coulomb is approximately 1 million electrons.	False
An LED lightbulb uses approximately 10% of the energy an incandescent lightbulb uses for the same light output.	True
The rows in a breadboard that are next to red and blue lines are called "rails."	True
On a breadboard, aside from rails, connections exist in sets of five in the columns.	True
To measure 5 volts, the DMM range should be set to 2 volts.	False
The total resistance of a set of resistors in series is...	The sum of the individual resistances.
In your house, the various items plugged into the wall outlets are wired in _____________ to the power supply from the utility.	Parallel
The form of Ohm's Law that yields a current is...	V/R
The sequence of the color code for resistors is similar to...	The visible light spectrum.
Two electromechanical cells wire together is...
Two elements used as the base metal of a semiconductor material are...	Silicon and Germanium.
When P-Type and N-Type materials are joined together, a ______________ is quickly established by the electrons and holes.
If a diode's anode has a voltage higher than the cathode, the diode is...	Forward Biased
Adding more resistors in parallel to a power supply....	Increases current from the supply.
A diode's operating characteristics are found in...	A manufacturer's datasheet.
A silicon diode that is revers-biased passes current with a 0.7 voltage drop.	False
A 5-band resistor with the color sequence Red-Red-Black-Brown for the first 4 bands has a resistance that is greater than 1000 Ohms.	True
A 4-Band resistor that has an orange third band has a resistance greater than 9,000 Ohms and less than 100,000 Ohms.	True
Kirchoff's Current Law states that the amount of current going into a node in a circuit must be equal to the current coming out of the node.	True
An LED lightbulb uses approximately 10% of the energy an incandescent lightbulb uses for the same light output.	True
Kirchoff's Voltage Law states that the sum of the voltage gains and voltage drops around a loop in a circuit is equal to the total resistance.	False
Pure silicon metal is a good conductor.	False
A datasheet is a legally binding document for a component manufacturer.	True
The band on a physical diode indicates where the anode is.	False
Two elements that are used to dope silicon are...	Boron and Phosphorous.
N-Type semiconductor material has ______________ that can move from atom to atom.	ELECTRONS
The P-Type material in a diode is connected to the...	ANODE
The band on a diode indicates where the ____________ is.	CATHODE
The Zener voltage is also the diode's ______________ voltage.	BREAKDOWN
Instead of a maximum current, Zener diodes are usually rated with a maximum...	POWER
A resistor that is used to regulate current to an LED is known as a __________ resistance.	BALLAST
The visible color with the lowest frequency is...	RED
When an electron falls into a hole in a semiconductor, the electron emits a...	PHOTON
The three connections on a 2N2222 transistor are...	Base, Emitter, and Collector.
A Zener diode is almost always used in a reverse-biased mode.	True
When a transistor's VCE is nearly zero, the transistor is in saturation mode.	True
The parameter hfe is the ratio of base current divided by emitter current.	False
A "bit" is a number that can have a value from 0 to 15.	False
An LED with a forward voltage of 3 V can be connected directly to 2 AA batteries in series without a ballast resistor.	True
The ASCII standard is a list of digital codes for alphanumeric characters.	True
The output of an AND gate is HIGH when all of the inputs are LOW.	False
The output of a NOR gate is LOW when any of the inputs are HIGH.	True
A byte consists of 8 bits.	True
For the TTL standard, a HIGH signal is a 3.3 VDC.	False
Every statement in C++ must end with a...	SEMICOLON!
The arguments for the pinMode function are...	pin number and input/output mode.
The range of a "byte' type variable is...	0 to 255
If an array has six elements, the index will have a range of...	0 through 5
A void type function returns...	Nothing.
A Boolean variable (bool) can have the following values:	HIGH and LOW, 0 and 1, and True and False.
A collection of functions that have a common category of operation is a...	Library!
Serial.printIn() places characters in the serial communication channel and then adds a...	carriage return (new line)
The Serial.parseInt() function will take all non-numerical characters before a numerical character from the input buffer and...	"Throws them away."
The while(){} structure will execute the code inside the {}...	in a loop as long as the expression inside the () is true.
An if(){} structure will execute the code in {} once if the logic expression in () is true.	True
An if(){} structure can be followed only by one else if(){} structure.	False
The switch(): structure will loop forever until the power is turned off.	False
The result of the digitalRead(pin); statement is a Boolean value.	True
A red LED attached to an Arduino output pin should have a 1K ohm ballast resistor to get 10 mA through the LED.	False
A for(){} structure can be used to set the mode of several Arduino digital I/O pins.	True
The logical operator && is the AND function.	True
If a pull-up resistor is connected to a 5 VDC source and an Arduino pin, the switch on that pin should be connected to 10 VDC.	False
A byte consists of 8 bits.	True
For the TTL standard, a HIGH signal is at 3.3 VDC.	False