There is no direct contact of flame and metal in which of the following type of furnace?

Related MCQs

• For brazing, soldering and flame hardening which of the following flame is used?
• Forging is a metal forming operation in which the metal is stretched to form the desired shape of a metal part.
• Why is sand bed prepared for melting of metal in Cupola furnace?
• In which of the following type of flame, oxygen is in excess proportion with acetylene?
• In which of the following type of flame, oxygen is deficient in proportion with acetylene?
• In which of the following type of flame, oxygen is of same proportion with acetylene?
• Metal forming is a process in which the metal is deformed plastically to get into the desired shape.
• The magnetic field interacts with metal to generate heat in the metal which causes forming process.
• Why are flux added to the charge ( parent metal to be melted) during melting of a metal?
• Incoming air pressure and quantity in cupola furnace are controlled by which of the following element?