Correct answer
D. Copper & nickel
Explanation
The correct answer is Copper & nickel.
The unit of velocity head is________?
The softest material in Mho’s scale (for measuring hardness) is________?
As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the ________ joint?
Which of the following is not a component of the fixed capital for a chemical plant facility?
Purchased cost of equipments for a chemical process plant ranges from ________ percent of the fixed capital investment?
Which of the following accentuates clinkering trouble on furnace grate burning coal?