345. Gateman competency certificate of interlocked traffic gate is signed by TI and SE (Sig) and counter signed by ________.
346. In case of defective head light, ________ bell code is given on block instrument to the station in advance.
348. Signal overlap at a terminal station with multi aspect colour light signalling is ________.
349. Which authority shall be received from station in rear to pass defective home signal?
350. If the Loco Pilot sounds long short long short whistle and passes the home signal it means ________.
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