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Industrial Maintenance Technician Test questions and answers
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Industrial Maintenance Technician Test questions and answers
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Industrial Maintenance Technician TestWhich device do you use to measure voltage? - ANSWER-Multimeter
If you were asked to check out the I/O card on a plc, which card would you look
at? - ANSWER-Input Card
What does the term current refer to while dealing with electricity? -
ANSWER-Amps
On a hydraulic pump if you were told the pump is cavitating, what would you
check for? - ANSWER-Low fluid in the tank
In a 480 volt three phase system, what would your meter read if you went from
one leg to ground? - ANSWER-277
WHICH TOOL IS USED WHEN MEASURING SCREW PITCH -
ANSWER-Thread Gauge
What is a circuit breaker? - ANSWER-an automatically operated electrical switch
designed to protect an electrical circuit from damage caused by overload or short
circuit.
What does a D.P.S.T. switch refer to? - ANSWER-double pole single throw
How many teeth are on a 40B12 sprocket? - ANSWER-12
The BCD equivalent of 1247 converts to_____. - ANSWER-0001 0010 0100 0111
What is the binary value of the following terms: Word and Nibble - ANSWER-16
digit and 4 digit
What type of programming is used by PLCs. - ANSWER-ladder logic
, What is the Octal and Hexadecimal= 0-9,A,B,C,D,E,F equivalent for the decimal
numbers 1-15 - ANSWER-0-7, 10-17, 20... and 0-9,A,B,C,D,E,F
Typical BCD input devices include ____. - ANSWER-thumbwheel switches
BCD code stands for _____. - ANSWER-binary coded decimal
The decimal 1000 has a Weighted Value Position of ______. - ANSWER-3
If in binary a zero signifies an OFF state a one signifies____________. -
ANSWER-an ON state
How many symbols are in the octal number system? - ANSWER-8
To convert from binary to octal, you select bits in groups of ____ - ANSWER-3
A register or word is composed of ____. - ANSWER-sixteen bits or two bytes.
The two basic sections of a PLC are the - ANSWER-the central processing unit
and the input/output system
State the primary sections of PLCs . - ANSWER-Input modules, (CPU) Central
Processing Unit, Output modules, Programming device, Operator Interface
Device
PLC Input modules convert_______________ - ANSWER-signals(analog or
discrete/digital) provided by various switches and sensors into logic that can be
used by the CPU
What solid state device is associated with the term "avalanche effect"? -
ANSWER-Zener diode
The SCR is equivalent to what electronic device? - ANSWER-thyristor
What does the PLC Central Processing unit ( CPU) do? - ANSWER-evaluates
the status of inputs, outputs, and other variables as it excutes a stored program.
The CPU then sends signals to update the status of outputs.
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