1. . The crucible is made of
(A) Clay
(B) Graphite
(C) Steel
(D) Fire clay
2. . The crucible number represents its approximate melting capacity in kg of
(A) Aluminum
(B) Copper
(C) Brass
(D) Cast iron
3. . The melting pot of crucible furnace is
(A) Crucible
(B) Ladle
(C) Hearth
(D) None of these
4. . The crucibles are produced in sizes from number
(A) 1-400
(B) 50-200
(C) 1-100
(D) 200-500
5. . Crucible is used for melting of
(A) Aluminum
(B) Copper
(C) Brass
(D) All of these