MD 6 Belts Pt.2

*_____ thread is used where the thread requires great strength and usually cut square on one side and slanting on the other side.

• janno

• buttress

• square

• double

*What type of leather belting should be used at an ambient temperature above 140^oF and possible acid liquid coming in contact with the belt?

• mineral tanned

• combination of oak

• oak tanned

• none of these

*Surface connecting the crest and roots of the screw thread

• lead angle

• length of engagement

• top land

• flank

*How do you call the conical surface at the starting end of the thread?

• pitch cone

• chamfer

• crest

• flute

*It is a type of bolt finished all over and has usually having coarse threads.

• coupling bolt

• stud bolt

• machine bolt

• automobile bolt

*It is a type of bolt distinguished by a short portion of the shank underneath the head being square or finned or ribbed.

• coupling bolt

• carriage bolt

• stud bolt

• machine bolt

*It is a type of bolt threaded on both ends and can be used where a through bolt impossible.

• coupling bolt

• carriage bolt

• stud bolt

• machine bolt

*It is a cheap variety of bolt made in small sizes.

• stud bolt

• stove bolt

• machine bolt

• coupling bolt

*A screw that requires positive torque to lower the load, or to loosen the screw if it has been turned tight against a resistance.

• power screw

• lock screw

• self screw

• self-locking screw

*What is the usual density of the leather belt?

• 0.035 lb/in.³

• 0.0135 lb/in.³

• 0.025 lb/in.³

• 0.0465 lb/in.³