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WorksheetsAutomation Assessment
Total questions: 36
Worksheet time: 31mins
battery
transformer
diode
relay
What symbol is that?
Push button switch
Slide Switch
2 Way Switch
Capacitor
What type of switch is this circuit symbol?
SPST
SPDT
DPST
DPDT
PTM
What physical quantity does ammeter measures?
Voltage
Current
Resistance
Power
Which of the following meters should you use when troubleshooting an open circuit?
Voltmeter
Wattmeter
Ohmmeter
Ammeter
What scale in the multimeter will you choose when you are to measure the voltage of a power outlet?
DCV Scale
AC Current Scale
ACV Scale
Resistance Scale
Which equation best represents Ohm's Law?
I=R/E
E=I x R
R=I/E
a^2 + b^2=c^2
Solve for total Current in the circuit shown
25 Amps
35 amps
25 milliamps
35 milliamps
100 Ω resistors are hooked in parallel. The equivalent resistance will be
less than 100 Ω.
100 Ω.
more than 100 Ω.
More information is needed.
A 4 band resistor's first three color bands are brown, black, and red. What is its value?
10 Ω
10 kΩ
200 Ω
1000 Ω
What will happen when the switch closes.
Current will flow and the LED will switch off.
Current will flow and the LED will switch on.
No current will flow because the resistance is too high.
The LED will explode.
The primary function of a fuse is to
Open the circuit
Protect the appliance
Protect the line
Prevent excessive currents from flow through the circuit
An oscilloscope shows the current flow above what type of current is it showing?
DC
AC
Rectified Current
Non rectified current
What formula is pictured?
Inductive Reactance
Capacitive Reactance
Z in Series
Z in parallel
5. Don’t replace an opened fuse or burned resistor unless you have ____ the trouble.
A. Shortest possible time
B. Manufacturer
C. Malfunction
D. Corrected
A ____ may be used to detect resistances in the million of ohms
megohmmeter
digital multimeter
capacitor analyzer
psychrometer
In a three phase motor in good operating condition, the resistance...?
should be the same across all three windings
should vary from a lower resistance in the first winding into a higher resistance in the third winding
across each winding is not important
should add up to the applied voltage
Choose graphical language used to programmed interactively with the PLC
Ladder diagram
C languange
JAVA
Which is used as input device
Push button
Relay
Cylinder
Motor
Identify the symbol shown by the image?
Normally Closed Contact
Normally Open Contact
Relay Coil
Normally open pushbutton
Delay ON timer is a short time that
Will start as soon as program start.
Will start at any time during program.
Will turn the output OFF after a certain DELAY
Will turn the output ON after a certain DELAY
Delay OFF timer is a short time that
Will start as soon as program start.
Will start at any time during program.
Will turn the output OFF after a certain DELAY
Will turn the output ON after a certain DELAY
The______ counter that counts the events that has happened and decrements the counted number by one count.
Up Counter
Down Counter
Weekly Counter
Hourly Counter
What does this LAD connection represents
An interlock
Latch
Motor control
Two ways to control an output
In this LAD diagram, what happens if I1 is pressed
Q1 = 0, Q2 = 0
Q1 = 1, Q2 = 0
Q1 = 0, Q2 = 1
Q1 = 1, Q2 = 1
If two NC contacts are connected in parallel that satisfies _______Gate logic.
AND
NAND
OR
NOR
Smallest change which a sensor can detect is
Resolution
Accuracy
Precision
Scale
The sensor which consists of two dissimilar metal wires, joined at one end is called
thermocouple
thermister
bimetallic strip
RTD
what is Transducer?
an active device that produces an
electrical signal which is a function of the change in
the sensing element.
a device that produces an electrical
signal that is a standardised function of the change
in the physical variable and which can be used as an
input to the control module.
change one form of signal into different form by the DCT
energy conservation and storing
