A. To permit the shrinkage of metal
B. To save the cost of metal
C. To allow for the expansion during heat
D. None of them
Submitted by: Muhammad Danish
Correct Answer: To allow for the expansion during heat ✔
Last Updated: May 25, 2018
A. To permit the shrinkage of metal
B. To save the cost of metal
C. To allow for the expansion during heat
D. None of them
Submitted by: Muhammad Danish
Correct Answer: To allow for the expansion during heat ✔
Last Updated: May 25, 2018