Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?

Answer: Option 4 Let'

Answer: Option 4 When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Alloy cast iron. Alloy cast iron - cast iron containing alloying...

Answer: Option 2 When filing or machining cast iron makes our hands black, then it shows that free graphite is present in cast iron.

Answer: Option 2 Let'

Answer: Option 1 Let'

Answer: Option 4 Let'

Answer: Option 2 Sulfur is normally regarded as an impurity and has an adverse effect on impact properties when a steel is high in sulphur and low in manganese. Sulphur improves...

Answer: Option 4 Admiralty metal is an alloy of not less than 70 percent copper, about 1 percent tin, small amounts of other elements, and the balance zinc; tin brass. Admiralty...

Answer: Option 4 Neutral flame is type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding...

Answer: Option 2 This is a well established and extremely versatile method of welding. Submerged-arc welding (SAW) involves the formation of an arc between a continuously fed electrode and the...