Deck 30: The Off Delay Timer

Question 1

____ timers delay when they are turned on, but change back immediately when turned off.

A) Static
B) Off-delay
C) Reactive
D) On-delay

Answer 1

D

Question 2

Off-delay relays are often referred to on schematics as ____.

A) ODE
B) SODE
C) DODE
D) RODE

Answer 2

C

Question 3

When the timer is energized, the contact closes immediately just as any normal relay contact will.

Answer 3

True

Question 4

Examples of timers include the dashpot, pneumatic, clock and electronic.

Question 5

Regardless of the method used to achieve a time delay for the relay, timers have only one function.

Question 6

Relay contacts are always shown on a schematic in their on position.

Question 7

____ delay changing their contact position when they are turned on or off.

A) Relays
B) Timers
C) Switches
D) Oscillators

Question 8

____ timers change their contacts immediately when turned on.

A) Off-delay
B) On-delay
C) Switch
D) Reactive

Question 9

When the timer is energized, the contact remains open as long as power is applied to the relay.

Question 10

The job of a ____ or free-wheeling diode is to kill the spike voltage created when the current through a  relay is suddenly stopped.

A) flywheel
B) kick-back
C) blocker
D) holdfast