Question
A gap is left between two rails of a railway track to
accommodate _____of the metal.Solution
The volume of materials changes depending on current temperature. Usually heat makes them expand, and cold leads them to contract. To a first approximation, the change in length measurements of an object ("linear dimension" as opposed to, e.g., volumetric dimension) due to thermal expansion is related to temperature change by a "linear expansion coefficient". It is the fractional change in length per degree of temperature change.
Tata Group will be providing the "First in India" seating system for Vande Bharat Express trains starting in Sep 2022 and will be investing ______ crore
Which Mughal Emperor is also known as 'Zinda Pir'?
On the basin of which river gold is found in Uttar Pradesh?
In which year did the Battle of Plassey take place?
Which of the following reservoirs is partly in Uttar Pradesh and in Madhya Pradesh?
Which city has been declared as Nepal’s first ‘healthy city’ by the World Health Organization (WHO)?
Who is the Minister of Tribal Affairs?
When was the Indian Olympic Association founded?
Which of the following districts of Uttar Pradesh is famous for chikankari work and zari work?
Who led the English Army in the Battle of Buxar?
