A. High temperature heating medium (a petroleum product)
B. Product of coal tar distillation
C. Very heat sensitive material
D. None of these
Correct Answer: High temperature heating medium (a petroleum product) ✔
Last Updated: February 08, 2019
A. High temperature heating medium (a petroleum product)
B. Product of coal tar distillation
C. Very heat sensitive material
D. None of these
Correct Answer: High temperature heating medium (a petroleum product) ✔
Last Updated: February 08, 2019