The point in an electrical circuit schematic where high voltage is stepped down to low voltage is at ...

The point in an electrical circuit schematic where high voltage is stepped down to low voltage is at what component?
 
  A) Solenoid B) Relay C) Contactor D) Transformer

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[Ques. 2] The difference between the cut-out and cut-in points of a control is known as:
 
  A) Spread. B) Differential. C) Range. D) Setpoint.

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[Ques. 3] Two common pressure-sensing devices used in pressure controls are:
 
  A) Capacitive transducer and thermistor. B) Sail switch and warp switch.
  C) Strain gauge and expansion tube. D) The bellows and the diaphragm.

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[Ques. 4] The actual location of various components in the system and their point-to-point wiring is shown in this diagram.
 
  A) High-voltage B) Pictorial C) Schematic D) Ladder

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[Ques. 5] A control that responds to changes in pressure is called a:
 
  A) Pressure switch. B) Time clock. C) Humidistat. D) Thermostat.