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WorksheetsASD (L)-2
Total questions: 10
Worksheet time: 10mins
In a multiple actuator pneumatic system, a Fringe condition module is used for
Fast production
Uninterrupted flow
Smooth running
Emergency stop
The cause of interruption in an automated system is caused by
Empty workpiece magazine
A sudden drop in supply pressure
Endangered operator
All of these
An emergency-stop module can perform a function to
Stop at end of the cycle
Stop at end of the commenced step
Stop instantaneously
All of these
A hard-wired programmed electro-pneumatic control system requires
A PLC Controller
Relays
Computer screen
All of these
In the hydraulic circuit, the working fluid is
Air
Gas
Oil
All of these
The minimum number of group to design the sequence of A+, B-, B+, C+ by cascade method is
1
2
3
4
In an electro-pneumatic systems, the interface between electrical and pneumatic systems is obtained by
Electric power
Actuator
Limit switch
Solenoid valve
The feedback element in an electro-pneumatic system is the
Limit switch
Directional control valve
Flow control valve
All of these
Momentary push buttons normally remain in the
Un-actuated position
Actuated position
On condition
None of these
Push buttons are actuated
By pneumatic power
By magnetic power
By electrical power
Manually
