Red Seal Electrician Practice
Motor controlsQuestion 248 of 1506

Which type of pushbutton stays pressed in until it is pulled back out?

  1. A joystick with a roller lever
  2. A momentary type with spring return
  3. A selector type with a rotary knob
  4. A push-pull type with a mushroom button
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Correct answer: A push-pull type with a mushroom button

Some pushbuttons stay pressed in until pulled out. The mushroom shape makes pushing and pulling easy.

Source: Lessons in Electric Circuits IV: Digital (Kuphaldt), 4.1: Switch Types

Practice motor controls

Questions last reviewed: 18 October 2026