148. Monel metal contains
A.63 to 67% nickel and 30% copper
B.88% copper and 10% tin and rest zinc
C.Alloy of tin, lead and cadmium
D.Malleable iron and zinc
149. Permalloy is a
A.Kind of stainless steel
B.Nickel and iron alloy having high permeability
C.Polymer
D.Cutting tool material
150. Phosphor bronze contains
A.0.5% of phosphorous
B.2.5% phosphorous
C.5% phosphorous
D.None of the above
151. Free cutting steels
A.Are used where ease in machining is the criterion
B.Contain carbon in free form
C.Require least cutting force
D.Do not exist
152. Delta metal is an alloy of
A.Copper, zinc and iron
B.Iron, nickel and copper
C.Iron, lead and tin
D.Iron, aluminium and magnesium
153. Admiralty gun metal contains
A.63 to 67% nickel and 30% copper
B.88% copper, 10% tin and rest zinc
C.Alloy of tin, lead and cadmium
D.Iron scrap and zinc
154. Which of the following alloys does not contain tin
A.White metal
B.Solder admiralty
C.Fusible metal
D.Phosphor bronze
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