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MTA Light Rail Locking Test

Across
This test is performed to ensure that while a train travel towards a signal the route cannot be changed. The test is the _______________ locking test.
A type a test link in the CIH that is used to open current flow.
This indicator will flash if a switch is out of correspondence. It is the switch _______________ indicator.
The audio overlay system that is used at turnouts, crossovers, or interlockings.
An arrangement appliances where their movements must succeed each other in proper sequence for all routes being governed by signal.
When a train travels from the switch points towards the frog, this is a _______________ move.
The board that has a toggle switch used to simulate track occupancy.
The _______________ test panel is used to control the interlocking locally during troubleshooting, repair, or testing.
This test is performed to ensure that switches cannot be moved when any track circuit within the interlocking is deenergized. This test is known as the _______________ locking test.
This test is performed to ensure that once a train accepts a _______________, it cannot be changed in advance of the movement.
What three letters identify the normal switch request relay.
Down
Used to loosen terminal board gold nuts.
Two or more routes, opposing, converging, or intersecting, over which movements cannot be made simultaneously without the possibility of collision.
Signals which govern movement in opposite directions on the same track or route.
At most interlockings, when a track switch is set for a straight through move, the switch is in what position.
The _______________ locking test is performed to ensure that once a block is established, a train cannot be routed into the block in the opposite direction.
When a track switch becomes aligned and locked. The track switch is said to be in _______________.
When a train travels from the frog towards the switch points, this is known as a _______________ move.
This test is performed to ensure that once a signal has been cleared and returned to its most restrictive aspect, the route cannot be changed. This test is known as the _______________ locking test.
This test is performed to verify that if, while the switch is in transit, and a track circuit fails, the switch will _______________ its throw.
What is the color of the indicator (on the MTP) that is lit if the electric lock switch is locked in the normal position.