Question Paper – Compassionate Ground Appointment for group C (25.10.2018)

04-06-2022

Question Paper – Compassionate Ground Appointment for group C (25.10.2018)   Click above or See below  PDF   Indian Railway Question

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What kinds of bogies (trucks) are used by IR’s locomotives?
June 20, 2019

What kinds of bogies (trucks) are used by IR’s locomotives? For mainline BG locomotives, there were, until the 1980s, two main alternatives. The venerable WDM-2 which existed (exists) in vast numbers, along with the WDS-6, WAM-4, WAG-5, and some of the WCAM-1/2 locos used an Alco design asymmetric trimount (Co-Co) cast bogie design. Most other

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What other alternative fuels does IR use?
June 20, 2019

ompressed Natural Gas (CNG) is another fuel that IR has experimented with. Trials with a stationary diesel engine modified to use CNG were carried out at Shakurbasti station. More recently two diesel railcars have been modified to run on CNG. A DEMU rake (one diesel power coach and three trailer coaches) has been modified for CNG use and has

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What does ‘Static Converter Fitted’ or similar annotation mean on a locomotive?
June 20, 2019

What does ‘Static Converter Fitted’ or similar annotation mean on a locomotive? Locos traditionally had a rotary converter (of Arno make) to generate 3-phase AC on board to power auxiliary equipment such as traction motor blowers, compressors, exhausters, etc. Starting in the 1980s static converters using solid-state circuitry to generate

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What is bio-diesel? What are bio-diesel locomotives?
June 20, 2019

Biodiesel is the name given to various fuels or diesel fuel mixtures that incorporate varying amounts of oils derived from plants. While in western countries interest has centred on soybean oil and other crops' oils for use in diesel engines, in India, local plants such as 'Ratanjyothi' (Jatropha curcas), 'Karanjia' (Pongammia pinnata), and 'Neem'

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What does ‘microprocessor control’ for a locomotive mean?
June 20, 2019

What does ‘microprocessor control’ for a locomotive mean? 'Microprocessor control' can mean a few different things. A few of the newer electric locomotive models such as the WAP-5 or WAG-9 with complex 3-phase AC drives have circuitry and equipment controlled by microprocessors. In these, the microprocessor or computerized control is an

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What about other articulated locomotives?
June 20, 2019

Other than the Garratts mentioned above a few articulated locos were used in India. Perhaps the best known are the WCG-1 (EF/1) 1.5kV DC locos ('Crocodile') and the NDM-1 dual-engined diesel loco for the Neral-Matheran hill run. The bonnets of both these types of locos were able to swivel around. Other articulated locomotives used in the

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