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Typically, the axle load for a railway vehicle should be such that the lateral forces of the wheel against the rail should not exceed 50% of the vertical down-force of the vehicle on the rail. [2] Put another way, there should be twice as much downward force holding the wheel to the rail, as there is lateral force which will tend to cause the ...
Hunting oscillation is a self-oscillation, usually unwanted, about an equilibrium. [1] The expression came into use in the 19th century and describes how a system "hunts" for equilibrium. [1] The expression is used to describe phenomena in such diverse fields as electronics, aviation, biology, and railway engineering. [1]
The term tractive effort is often qualified as starting tractive effort, continuous tractive effort and maximum tractive effort.These terms apply to different operating conditions, but are related by common mechanical factors: input torque to the driving wheels, the wheel diameter, coefficient of friction (μ) between the driving wheels and supporting surface, and the weight applied to the ...
In her 2017 paper, Nassim JafariNaimi [33] lays out the reductive nature of the trolley problem in framing ethical problems that serves to uphold an impoverished version of utilitarianism. She argues that the popular argument that the trolley problem can serve as a template for algorithmic morality is based on fundamentally flawed premises that ...
The recruitment to the IRSE was done through the Engineering Services Examination exam until 2022. From 2023 onwards, recruitment is done through the Indian Railway Management service exam conducted separately only for the sole purpose of the 8 combined railway services. The combined services include:
Special Class Railway Apprentice (SCRA) was a programme by which candidates are selected by the Union Public Service Commission (UPSC) India, to train in the undergraduate program in mechanical engineering at the Indian Railways Institute of Mechanical and Electrical Engineering, Jamalpur. This programme started in 1927 and is one of the oldest ...
Physics is the scientific study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. [1] Physics is one of the most fundamental scientific disciplines. [2] [3] [4] A scientist who specializes in the field of physics is called a physicist.
In 2020 Railways separated itself from Engineering Services Exam (ESE) and made Indian Railway Management Services (IRMS). Earlier the recruitment used to be through UPSC Engineering Services Exam for Engineers but now after 2 years halt it's through UPSC Civil Services Exam from 2022; an all India written test followed by interview for ...