LAP 10 Basic Timer Control: On-Delay & Off-Delay
An on-delay timer relay causes its contacts to change states ____________ (before/after) the preset time has elapsed.
after
To test a solid-state timer, you need to supply power and observe the ________ when the timer times out.
contacts
On-delay timer relays perform the same function as ____________ relays except they move their contacts to their energized state after a preset time delay.
control
An off-delay timer's contacts are in their __________ (energized/normal) state while the timer is timing.
energized
An off-delay timer's contacts are in their ______________ (energized/normal) state as soon as the preset time is reached.
normal
An ______-________ timer relay causes its contacts to change to their energized states as soon as the coil is energized.
off delay
The two basic operating modes for a time-delay relay are ___-__________ and off-delay.
on delay
A contact is _____________ if it shows zero resistance in both the energized and de-energized states.
shorted
A _______ _________ timer cannot be tested out of circuit.
solid state
Common timing mechanisms include pneumatic timers, ________ ________ timers, and motor-driven timers.
solid state
A _________ ________ relay is a type of control relay that moves its contacts to a new state after a predetermined time has elapsed.
time delay
When timers are used to sequence the operation of machines, it is referred to as _________ _________ sequencing.
time driven
For each distinct operation that takes place in a time-driven operation, a ____________ must be assigned.
timer
The three basic components of a time-delay relay- coil contractors ______________ mechanism
timing
To avoid overheating the motor and causing damage, it is recommended that the motor be ____________ when it is started.
unloaded