Correct answer
B. Iron, nickel and chromium
Explanation
The correct answer is Iron, nickel and chromium.
Stainless steel is welded with difficulty because of________?
A fast breeder reactor employs________?
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is________?
The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________?
Capacity of a refractory brick to withstand-sudden changes in temperature is denoted by the property called________?
The specific speed of a pump is defined as the speed of a unit of such a size, that it________?