ECET1101 Exam 1
A system for representing a number as a 1, 2, 3 digit number times a power of 10 with an exponent
What is scientific notation
An industrial grade computer programmed to perform control functions
What is a Programable Logic Controller (PLC)
An electric circuit in which 2 or more current paths are connected together between the same 2 separate points
What is a parallel circuit
AB
What is the logic designation for output of an AND gate logic operator
The number of hours a 60 Ahr battery can deliver 3A of current
20 (60Ahr/3A) = 20 hours
An instrument designed to measure voltage, resistance and current
What is a digital multimeter - DMM
PLCs are intended to replace this
Relay logic and associated hard wiring
The circuit condition in which the current path is interrupted
What is an open circuit
The number 16
What number is a hexidecimal numbering system based on
The unit of measure for electrical current
AMP
The number of days it takes to lay a dozen eggs when a hen and a half lays an egg and a half in a day in a half
12 (1.5 eggs in 1.5 days = 1 egg per day)
What are examples of an HMI (Human Machine Interface)
R1 + R2 + R3
How do you determine the total resistance in a circuit that contains 3 resistors in series
A + B
Logic output designation for an A or B logic gate operator
You throw away the outside and cook the inside, then eat the outside and throw away the inside.
Corn on the cob
A resettable protective device used for interrupting excessive current in an electrical circuit
What is a circuit breaker
A farmer walks toward his field and he sees three frogs sitting on the shoulders of two rabbits. Three parrots and four mice run toward him. How many pairs of legs are going toward the field?
One pair...the farmers
The formula to determine the total resistance of 5 100 ohm resistors in parallel
What is R/5, 100/5
What month has 28 days
All months have 28 days
8 bits
How many bits in byte
A three terminal variable resistor
What is a potentiaometer
Base of 2
What is the base of a binary numbering system
The current left after the total load current is subtracted from the total current in the circuit
What is bleeder current
AND, OR, NAND, NOR
Examples of logic operations
0001
What is the binary number for 1