7844Chemical EngineeringMedium
Addition of ________ to steel does not impart hardness?
AChromium
BNickel
CSilicon
DCopper
Correct answer
D. Copper
Explanation
The correct answer is Copper.
Correct answer
D. Copper
Explanation
The correct answer is Copper.
After throttling, gas temperature________?
TLV of ammonia, nitrogen dioxide and phenol vapor in air is ________ ppm?
Radiation thermometer cannot measure the temperature ________?
Pick out the wrong statemen?
A polymer is termed as an ‘elastomer’, if its percentage elongation is more than 100%. An elastomer is termed as ‘rubber’ if its percentage elongation is more than ________ percent?
Le-Blanc process is a primitive process for the manufacture of________?