LIRR BLOCK OPERATOR QUESTIONS AND
ANSWERS GRADED ACTUAL PAPER 2026
COMPLETE QUESTIONS AND ANSWERS
GRADED A+
⩥ Absolute Block. Answer: A block established between block stations,
block limit stations, interlockings or any combination thereof which
must not be occupied by more than one train except as provided by the
rules.
⩥ Automatic Block Signal Systems. Answer: A block signal system
wherein the use of each block is governed by an automatic block signal,
the cab signal indicator or both
⩥ Block Signal System. Answer: A series of consecutive blocks.
⩥ Manual Block Signal System. Answer: A block signal system wherein
the use of each block is governed by block signals controlled manually,
by block-limit signals or both, upon information received by telephone,
radio or other means of communication.
⩥ Automatic Speed Control System (ASC). Answer: A system so
arranged that its operation will automatically result in the following: A
full service application of the train brakes if, while operating under a
, speed restriction, the speed of the train exceeds the predetermined rate.
The application will continue until the train is either brought to a stop or,
under the control of the engineer, its speed is reduced to the
predetermined rate.
⩥ Speed Controlled Train. Answer: A train equipped with the following
speed control apparatus, a cab signal indicator, sealed application valve
or switch, audible warning device and acknowledging switch, in
operative condition for the direction in which it is to move.
⩥ Engine (ENG). Answer: A unit propelled by any form of energy or a
combination of units operated from a single control, used in road or yard
service.
⩥ Multiple Unit Equipment. Answer: Equipment capable of being
propelled by electrical energy through the use of third rail contact shoes.
⩥ Track Car (TC). Answer: A roadway maintenance machine, not
classified as an engine, which is operated on track for inspection or
maintenance. It may not shunt track circuits or operate signals and will
be governed by rules and special instructions for trains other than
passenger trains.
⩥ Interlocking (INT). Answer: An arrangement of signals and signal
appliances so interconnected that their movements must succeed each
other in proper sequence and for which interlocking rules are in effect.
ANSWERS GRADED ACTUAL PAPER 2026
COMPLETE QUESTIONS AND ANSWERS
GRADED A+
⩥ Absolute Block. Answer: A block established between block stations,
block limit stations, interlockings or any combination thereof which
must not be occupied by more than one train except as provided by the
rules.
⩥ Automatic Block Signal Systems. Answer: A block signal system
wherein the use of each block is governed by an automatic block signal,
the cab signal indicator or both
⩥ Block Signal System. Answer: A series of consecutive blocks.
⩥ Manual Block Signal System. Answer: A block signal system wherein
the use of each block is governed by block signals controlled manually,
by block-limit signals or both, upon information received by telephone,
radio or other means of communication.
⩥ Automatic Speed Control System (ASC). Answer: A system so
arranged that its operation will automatically result in the following: A
full service application of the train brakes if, while operating under a
, speed restriction, the speed of the train exceeds the predetermined rate.
The application will continue until the train is either brought to a stop or,
under the control of the engineer, its speed is reduced to the
predetermined rate.
⩥ Speed Controlled Train. Answer: A train equipped with the following
speed control apparatus, a cab signal indicator, sealed application valve
or switch, audible warning device and acknowledging switch, in
operative condition for the direction in which it is to move.
⩥ Engine (ENG). Answer: A unit propelled by any form of energy or a
combination of units operated from a single control, used in road or yard
service.
⩥ Multiple Unit Equipment. Answer: Equipment capable of being
propelled by electrical energy through the use of third rail contact shoes.
⩥ Track Car (TC). Answer: A roadway maintenance machine, not
classified as an engine, which is operated on track for inspection or
maintenance. It may not shunt track circuits or operate signals and will
be governed by rules and special instructions for trains other than
passenger trains.
⩥ Interlocking (INT). Answer: An arrangement of signals and signal
appliances so interconnected that their movements must succeed each
other in proper sequence and for which interlocking rules are in effect.
