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WorksheetsInternal Exam Viva
Total questions: 50
Worksheet time: 25mins
A step-by-step procedure for solving a problem, especially by a computer.
Algorithm
Controller
Computer Program
Limitation
The use of technology to ease human labor or to extend the mental or physical capabilities of humans.
Automation
Electric
Manipulators
Robotics
The process of detecting and eliminating a device’s malfunctions.
Debug
End Effector
Computer Program
Pneumatic
The people available for work in a particular area, firm, or industry.
Workforce
Society
Programmer
Factory
Which of the following is a con of using automation?
Eliminates mindless tasks
Increases worker safety
Less employee costs
Reduces number of jobs
Which of the following is a pro of using automation?
Eliminates mindless tasks
More pollution
Big capital investment
Reduces number of jobs
Name the block used to hold the state of the input.
OR gate
AND gate
SR Latch
NAND gate
Name the equipment used to hold multiple boxes in a conveyor.
Holder
Pallet
Tray
Mallet
Identify the symbol?
Normally Close (NC)
Normally Open (NO)
Open Circuit
Close Circuit
Identify the symbol?
Normally Close (NC)
Normally Open (NO)
Open Circuit
Close Circuit
What is the function of this program?
flicker
counter
size sorting
set reset
What is the function of this program
flicker
counter
size sorting
set reset
What the program function?
flicker
counter
size sorting
set reset
What the program function?
flicker
counter
size sorting
set reset
What the program function?
flicker
counter
size sorting
selfholding
What the program function?
on delay timer
off delay timer
interlock by output
interlock by input
What the program function?
on delay timer
off delay timer
interlock by output
interlock by input
What the program function?
on delay timer
off delay timer
interlock by output
interlock by input
What the program function?
on delay timer
off delay timer
interlock by output
interlock by input
What the program function?
Y0 is ON when X020 is pressed
Y0 is OFF when X020 is pressed
What the program function?
Y1 is ON when X020 is pressed
Y1 is OFF when X020 is pressed
What the program function?
Y2 is ON when X020 is pressed
Y2 is OFF when X020 is pressed
Y2 is ON when X024 and X022 are pressed
Y2 is ON when X021 and X022 are pressed
What the time chart function?
PLS
PLF
What the time chart function?
PLS
PLF
What the logic function?
OR
AND
What the logic function?
OR
AND
PLC is abbreviated as___________
Programmable Logic Controller
Programmable Logic Computer
Where Automation is recommended?
Repetitive action
Sequential action
Automation leads to _____________
Higher Productivity
Improved safety in working condition.
Superior quality of end product
All of the above
PLC implements___________ functions by means of a program.
Arithmetic
Logic control
Why PLC is developed.
To replace Computer systems.
To replace Relay system.
What task do PLC perform.
Interlocking
Sequencing
Timing and Control
All of the above
_________ is the brain of the PLC
Computer
CPU
Memory
Input Device
_________ is the input device of PLC
Keyboard
Sensors
Hard disc
Monitor
_________ is the output device of PLC.
Solenoid Valve
Lamp
Hard disc
Monitor
_________ programming Language is used for PLC
Java
C Language
Ladder Diagram
All of the above
_________ programming Language is used for Traffic Lights
Java
C Language
Ladder Diagram
All of the above
The vertical lines in a ladder diagram is called as ______________
Rungs
Rail
The horizontal lines in a ladder diagram is called as ______________
Rungs
Rail
The Inputs of PLC is represented as _____________in ladder diagram.
Switches
Actuators
________ symbol of Normally close switch.
________ symbol of Normally open switch.
________ Ladder diagram for AND Gate.
________ Ladder diagram for NAND Gate.
________ is used for circuit that is able to hold the output energized.
Timer
Latching
________is a PLC instruction measuring the amount of time elapsed following an event.
Timer
Latching
What type of directional control valve is pictured here ?
3 way 3 position
4 way 3 position
2 way 2 position
5 way 3 position
What is type of this cylinder
Double acting cylinder
Spring return cylinder
Single acting cylinder
5/2 way double solenoid
The scientific principle that makes hydraulic systems possible is
The fluid flow principle
Bernoulli’s principle
Pascal’s principle
Boyle’s law
Hydraulic systems use ________ to transfer force from one point to another.
Air
Liquid
Solid
Gas
