Midterm Examination in Metal Working Technology (Lecture)

It is a family of cutting processes which heats the work metal to its kindling point, causing it to burn in a stream of oxygen?

• Carbon Arc Cutting

• Electrical Arc Cutting

• Oxy- Arc Cutting

• Oxy-Fuel Cutting

It is the process of making decorative or useful objects out of metal?

• Metal Working

• Blacksmithing

• Metallurgy

• Metallurgist

This type of metal cutting is accomplished by directing a stream of oxygen into the molten pool of metal?

• Carbon Arc Cutting

• Electrical Arc Cutting

• Oxy- Arc Cutting

• Oxy-Fuel Cutting

Which metal family that always loses two (+2) electron on its subshell?

• Alkali Metal

• Alkaline Earth Metal

• Transition Metal

• Early Transition Metal

Metal Arc Cutting is done characterized by a progressive cut on metals that use _________ at its main source of power to cut metals?

• Oxy-fuel

• Plasma

• Fire

• Current

Which metal family that always loses one (+1) electron on its subshell?

• Alkali Metal

• Alkaline Earth Metal

• Transition Metal

• Early Transition Metal

It is a process whereby the cutting of metals is accomplished by progressive melting with the heat of an electric arc between a metal electrode and the base metal.?

• Carbon Arc Cutting

• Electrical Arc Cutting

• Oxy- Arc Cutting

• Oxy-Fuel Cutting

What metal has the lowest density?

• Iridium

• Osmium

• Lithium

• Sodium

Process of cutting metal whereby metal is cut using the heat of an arc maintained between the electrode and the base metal?

• Carbon Arc Cutting

• Electrical Arc Cutting

• Oxy- Arc Cutting

• Oxy-Fuel Cutting

What metal has the highest melting and boiling point?

• Titanium

• Tungsten

• Lead

• Cadmium