Question

2. The metal used for connection of railway tracks after a particular distance
b. Al
d. Fe
d. Zn​

Answer 1

Answer:

Fe

Explanation:

Modern track typically uses hot-rolled steel with a profile of an asymmetrical rounded I-beam. Unlike some other uses of iron and steel, railway rails are subject to very high stresses and have to be made of very high-quality steel alloy.

Answer 2

Answer: The essence used for the connection of road tracks after a particular distance is

b) AL- aluminum

Explanation

Train rails are concertedly together via a process called exothermic welding, which principally involves lighting off a chemical called Thermite and transferring molten iron into a beach mould.

The aluminium essence reduces the essence oxide into an iron( lll) oxide to produce ferrous and aluminium oxide. During the response, large quantum of energy is released.

#spj3