Explanation: Explanation : with lamps showing white light in both directions during night or shall be any. located that the legend is facing towards the station. They shall be fitted multiple aspect signalling) a Block Section Limit Board shall be provided (b) The Block section Limit Board shall be located at 180 metres in advance of Block Section Limit Board (BSLB) (a) At Class 'B' stations worked on Double Line Absolute Block System (with where there are no points or the Outermost points are trailing. the Home Signal and protecting the fouling mark of the trailing points, if painted with Retro-reflective type coating. (c) The Block section Limit Board or the Shunting Limit Board shall be so

Explanation: Explanation : The sanction to an estimate will ordinarily remain current for from the date on which it has been accorded, unless it has been renewed for a further term by the acceptance of a revised estimate. Acceptance by competent authority, however, of a budget estimate which includes specific provision for expenditure on a work which is in progress, may be regarded as reviving for the year in which provision is made, the sanction to the estimate-regardless of the five years' limit. But if no work has been commenced on a sanctioned scheme within two years of the date on which the sanction was accorded to the estimate, such sanction to be held to have lapsed and fresh sanction should be obtained from the competent authority by the submission of an up-to-date estimate if necessary. five years

Explanation: Explanation : According to the and used by Indian Railways: “The minimum tender notice period shall be reckoned from the date on which the tender is published on the e-tendering website.” Standard Tender Document (STD) General Conditions of Contract (GCC)

Explanation: Explanation : The frequency band for VHF simplex communication allotted to Indian Railways is: 146 – 163 MHz System Frequency Band (MHz) Purpose VHF Simplex 146 – 163 MHz Train driver, station & control communication LocoTrol 424 – 430 MHz Distributed loco control (heavy haul) GSM-R 876–915 (Uplink), 921–960 (Downlink) Train radio & control systems LTE (Planned) 700 MHz band (recommended) High-speed mobile broadband (future use) TCAS 405 – 512 MHz

Explanation: Explanation : PU No. 22 Utilities – Water, Electricity, etc. 8 Expenditure Head 9 Wages of Casual Labour 27 Expenditure Head 32 Cost of Materials from Stock Transfer of Debits/Credits from Stores A/c 12 3 28 Cost of Materials – Direct Purchase Contractual Payments 33

Explanation: Explanation : Start Generator -50% DOD -RED Audio/ visual alarm can be acknowledged for audio cut off.

Explanation: Explanation : The at the signal, GR/SR 3.75 As per the well-established guidelines detailed in , and corroborated by operational sources like the Crew Lobby KJM blog: When the and the : IB signal is at 'ON' (Red) , if visibility ahead is clear, loco pilot cannot contact the Station Master (SM) Intermediate Block (IB) Signal at Red loco pilot must halt the train , Wait for 5 minutes

Explanation: Explanation : 70% ASTE 2024. (i) If absence from headquarter does not exceed 6 consecutive hours...........… 30% of the daily allowance.

Explanation: Explanation : off' a signal unless all the controls have been exercised by the controlling agencies. But it shall be possible for any one of the controlling agencies to replace the signal to 'ON' position by withdrawal of the control. (b) Slot circuits shall be so designed, that a slot once given is effective for only one train and a fresh slot has to be given for a subsequent train. Where a signal is controlled through slots, it shall not be possible to take

Explanation: Explanation : under normal conditions when the catenary current of 800 amperes for The induced voltage in the underground-Unscreened cable shall be reckoned as 116 Volts/km on single line and 95 Volts/km on Double Line single line and 1000 amperes for double line.