Metal End of Topic

What is the advantage of tube compared to solid sections?

• More brittle

• Easier to bend

• Higher cost

• Lighter weight

What is the purpose of a reamer?

• To measure the diameter of a hole

• To cut metal into specific shapes

• To join two pieces of metal together

• To finish a hole exactly to size

What is the main use of a rivet?

• To join two or more thicknesses of steel plate

• To finish a hole exactly to size

• To measure the diameter of a hole

• To cut metal into specific shapes

What is the purpose of a Vernier scale on a caliper?

• To measure weight accurately

• To join two pieces of metal together

• To measure with greater precision than a single scale

• To cut metal into specific shapes

What is the main use of an open ended spanner?

• Cutting metal into specific shapes

• Finishing a hole exactly to size

• Measuring the diameter of a hole

• Tightening and loosening nuts, bolts, and coach screws

What is the purpose of a cross-pein hammer?

• Cutting grooves or keyways

• Insertion or withdrawal of screws

• Hammering operations where weight is necessary

• Gripping flat or round material

Which type of soldering involves melting a filler metal with a lower melting point than the work piece?

• Silver Soldering

• Soft Soldering

• Brazing

• Welding

What is the purpose of knurling in metalworking?

• Imprint a diamond pattern grip

• Drill axial holes

• Reduce friction

• Create a pressure wedge of oil

What is the function of a centre drill bit when drilling with a lathe?

• Prevent overheating

• Enlarge the hole

• Create a starting point for other drills

• Cool the drill bit

Which type of bearing minimizes friction by reducing the contact area with point or line contact?

• Plain or Journal bearings

• Ball bearings

• Roller bearings

• PTFE bearings