The steels from grades Fe 290 to Fe 490 are

The steel containing high content of both chromium and nickel are called

Which of the following is an example of solid state welding

The main advantage of shell mouldings is that

Which of the following is not a casting defect

In hermitian matrix,the diagonal elements are

If A² = A , then the matrix A is called

Normal time =

Machining is a

rolling also can be carried out by front tension only,with no power supplied to the rolls-a process known as

In viscosity the term du/dy is called

If no resistance is encountered by displacement such a substance is known as

Which of the following is having shear stress only

In rolling operations which velocity is greater

In convention heat transfer the laws of governing equation is valid for I. e newton laws of cooling

When heat is transferred from one particle of hot body to another by actual motion of the heated particle, it us referred to as heat transfer by

Metals are good conductors of heat because

What is the average shear stress acting on a rectangular beam , if 60N/mm² is the maximum shear stress acting on it

The quantity of heat radiation dependent on

Which body transmits all the rays falling on it