MD MachShopTheo. 4 Pt. 3

Standard vise has ___ jaws?

• soft

• hard

• semihard

• semisoft

In machining, which of the following could be the reason if tool bit burns?

• speed is too slow

• material is too hard

• speed is too fast

• material cannot be cut

Which of the following describes a flexible back hacksaw blade?

• only the teeth hardened

• a movable back

• flexible ends

• only the back hardened

The flexible type hacksaw blade is best suited for which of the following materials?

• channel iron

• aluminum

• tubing

• any of the above

A scriber is made from what materials?

• carbon steel

• tool steel

• cold-rolled steel

• hot-rolled steel

Before applying layout blue on a piece of metal, it must be ___.

• roughened

• cleaned

• heated

• cold

A drill bit has how many flutes?

• 4 flutes

• 2 flutes

• 3 flutes

• no flutes

The alignment of coupling faces can be checked by which process?

• using an inside micrometer

• inserting a thermocouple

• inserting a feeler gage between the coupling faces at various points around the circumference

• rotating and measuring to nearest permanent fitting

A piece of cast iron held against an emery wheel will give off what?

• dully yellow sparks

• red sparks

• bright shiny sparks

• no sparks

When cutting material in a lathe, the softer the material being cut, the tool bit should have ___.

• more top rake

• double top rake

• less top rake

• any of the above