Chapter 6 Flashcards
A __________ level switch is used to detect product dielectric variations.
Capacitive
Most flow switches are designed to operate in the __________ position.
Horizontal
A(n) __________ is used to control the yawing function of a windmill.
Wind vane
A(n) __________ button operator allows for easy emergency stops and valve shutoffs.
Jumbo mushroom
A(n) ___________ is an output used to switch high-power DC loads.
SCR
A(n) ___________ is an output used to switch low-power DC loads.
Transistor
A(n) __________ is the device that is pressed, pulled, or rotated by an individual.
Operator
A(n) __________ is the part of a limit switch that transfers the mechanical fork of the moving part to the electrical contacts.
Actuator
___________ is the amount of pressure that must be removed before the switch contacts reset for another cycle after the set point has been reached and the switch activated.
Dead band
A(n) ___________ is a mechanical input that requires physical contact of the object with the switch actuator.
Limit switch
A(n) __________ actuator is an actuator that had a long arm that may be cut to the required length.
Wobble stick
Charging and discharging tank applications are also known as pump and __________ control.
Sump
A(n) ___________ is a switch used in fire protection system to detect burning material.
Smoke
The ___________ contacts of a pressure switch are used when the pressure switch is used to maintain system pressure.
Normally closed
A(n) ____________ switch is used to maintain a predetermined pressure in a tank or reservoir.
Pressure
