1. . The function of the magnetic separator is to separate ------ from sand
(A) Lumps
(B) Non-ferrous particles
(C) Iron particles
(D) Binder
2. . To screen molding sand ------ is used
(A) Aerator
(B) Riddle
(C) Magnetic separator
(D) Crusher
3. . The function of ------ is to condition the molding sand for reuse
(A) Crusher
(B) Muller
(C) Magnetic separator
(D) Riddle
4. . Sand grains are separated and each grain is made to flow freely in
(A) Sand Aerator
(B) Muller
(C) Riddle
(D) Crusher
5. . Two heavy roller are used in
(A) Magnetic separator
(B) Crusher
(C) Sand Aerator
(D) Muller