Questions

Gear finishing operation is called Burnishing.

The maximum size of the Lok Sabha as outlined in the Constitution of India is 552 members made up of up to 530 members representing people of the states of India and up to 20 members representing people from the Union Territories on the basis of their population and 2 Anglo-Indians are nominated by President.

The number of Parliamentary Seats for the States :

Andhra Pradesh & Rajasthan - Each 25

Maharashtra - 48

Telangana - 17

Arunachal Pradesh, Bihar, Manipur, Meghalaya, Tripura - Each 02 

Uttar Pradesh has the highest with - 80

When the piece of iron is lowered into the water, the water level in the bucket increases. And so the pressure at the bottom of bucket also increases. Thus the total thrust at bottom also increases. Therefore the spring balance reading increases. Thus (a) is correct.

In rusting the Iron ore make a chemical reaction with the oxygen in the presence of water and environmental or atmospheric moisture to produce an Iron oxide. Iron oxide is otherwise called as rust.

The rusting of iron is a chemical change because it is two substances reacting together to make a new substance.

A transformer that increases voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a Step-Up Transformer.

Conversely, a transformer designed to do just the opposite is called a Step-Down Transformer. 

W is the symbol for chemical element Tungsten or Wolfram.

It is used in making filaments of bulbs.