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100 questions100 minutes
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ASTE — Assistant Signal & Telecommunication Engineer
Group B promotion preparation: 70% selection / 30% LDCE, subject to the applicable notification. Source-backed subject practice is supplementary; current syllabus, eligibility, amendments and examination scheme require verification. Unapproved questions remain unpublished.
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Start / resume ASTE — Assistant Signal & Telecommunication Engineer — Subject Practice 01
100 questions100 minutes
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Syllabus & study outline
ASTE — 70% Selection preparation: source-based practice syllabus (October 2026)
Reviewed syllabus01Signalling systems · 14%+
- Interlocking principles and plans; signals, relays, points, track detection, block systems, power and data loggers; electronic interlocking, protection, Kavach and commissioning
02Telecommunications · 14%+
- Cables, OFC, control communications, telephone exchanges, multiplexing, radio, mobile communications, IP networks, security and passenger information
03Codes and operational interfaces · 14%+
- General rules, opening rules, dimensions, signal and telecom manuals, accident and block working rules, relevant operating, traction and track provisions
04Workshop practices · 14%+
- Materials, machinery, overhauls, component tests, approvals, production, quality, calibration, certification, scrap, costing and incentives
05Official language revision · 14%+
- Official language policy, legislation, rules and incentive schemes; optional-question arrangements require the applicable notification
06Establishment rules · 15%+
- Personnel organisation, recruitment and training; service conditions, manpower planning, conduct and discipline, retirement, welfare, industrial relations and personnel IT
07Financial rules · 15%+
- Financial propriety, budgets, allocation and control; works justification, stores finance, costing, tenders, audit, powers, losses, GFR, GeM, revenue, taxation and government audit organisation