6459Chemical EngineeringMedium
High speed steel tools retain their hardness upto a temperature of ________ °C?
A500
B900
C750
D1100
Correct answer
B. 900
Explanation
The correct answer is 900.
Correct answer
B. 900
Explanation
The correct answer is 900.
The swift cup test evaluates the following property of a sheet metal?
Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of________?
Colburn analogy is applicable for the value of Prandtl number from________?
Pick out the wrong statement?
Which of the following is not a binder for coal briquetting?
Pick out the wrong unit conversion of temperature?