If mercury is used as a pattern material in place of wax, then for the preparation of mould, mercury is kept at temperature____?

0 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC

below -38 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC

0 to 38 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC

-38 to 0 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC

If mercury is used as a pattern material in place of wax, then for the

1.	If mercury is used as a pattern material in place of wax, then for the preparation of mould, mercury is kept at temperature____?
A.	below -38 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC
B.	0 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC
C.	0 to 38 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC
D.	-38 to 0 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC
Answer» B. 0 ‚Äö√Ñ√∂‚àö√ñ‚Äö√†√ªC