NEW
Font size
WorksheetsMechatronics
Total questions: 14
Worksheet time: 18mins
In ladder logic, 'coil' is used to denote input
True
False
When a Normally Closed (NC) contact is used in PLC default output will be
ON
OFF
Set bit (S) is used to set the output high even after the input push button switch is released
True
False
In a Single Acting Cylinder (SAC) the retraction is done either by gravity or by a spring
True
False
The device that converts hydraulic pressure and flow into rotational mechanical energy is:
Hydraulic motor
Hydraulic pump
In ladder logic, the coil and the contacts are connected using:
Horizontal Rung
Left Vertical Rung
Right Vertical Rung
The output Y1 turns ON when:
X1 is on AND either X2 OR X3 is off
X1 is on AND either X2 OR X3 is on
X1 is on OR both X2 OR X3 is on
X1 is off AND either X2 OR X3 is on
Which logic gate does the above ladder logic represent
AND gate
OR gate
NAND gate
NOR gate
Which logic gate does the above ladder logic represent?
AND Gate
OR Gate
NAND Gate
NOR Gate
The programming language used for programming the PLC:
Ladder Diagram
C program
OOP
Simulink
PLC stands for:
Programmable Logic Controller
Programmable Ladder Control
Programmable Logic Coding
Programmable Ladder Coding
Ladder Logic Programming consists of:
Virtual relays, contacts and coils
Logic gate symbols and connecting wires
Function blocks and connecting lines
Text based code
An OR function used in ladder logic uses:
Normally Closed contacts in series
Normally Closed contacts in parallel
Normally Open contacts in series
Normally Open contacts in parallel
Timers in ladder logic as used for:
Introducing time delays
Counting
Resetting the output
