shop infrmantion
The term penny is used
(A) to indicate the cost of a nail.
(B) to indicate the length of a nail.
(C) to designate a rosin-coated nail.
(D) to indicate a galvanized nail.
1. (B) The term pennyis used to indicate the length of a nail It is an old English term that has no definite relationship to today's measuring units. You can, however, keep in mind that the larger the number is, the longer the nail is.
2. Concrete reaches 98 percent of its strength in
(A) 3 days.
(B) 50 days.
(C) 28 days.
(D) 10 days.
2. (C) Concrete reaches 98 percent of its strength in 28 days.
3. A coping saw blade is placed in the saw
(A) with the teeth pointing upward.
(B) with the teeth pointing toward the handle.
(C)
so it cuts with the wood grain.
(D) so it cuts across the wood grain.
3. (B) A coping saw blade is placed in the saw with the teeth pointing toward the handle.
That means you cut with a coping saw on the downward stroke. That also means that you need to use a special type of vise to hold the object you are cutting.
Carpenters use
(A) ball-peen hammers.
(B) chisel point hammers.
(C) claw hammers.
(D) planishing hammers.
4. (C) Carpenters use claw hammers. These allow carpenters to remove nails that don't go where they belong or are bent on the way into the wood. Machinists use ball-peen hammers. There is no such thing as a chisel point hammer. Planishing hammers are used by people who are flattening or shaping sheet metal.
A welding torch can also be used as
(A) a light source.
(B) an etching tool.
(C) a cutting torch.
(D) a pipe wrench.
(C) A welding torch can be used as a cutting torch. This can be done when the proper amount of oxygen is used. Please note that under no circumstances should a welding torch be used as a light source. That light can cause extreme injury to the eye.
6. Self-locking nuts are designed to
(A) be tightened by hand.
(B) be frequently disassembled.
(C) require periodic tightening.
(D) jam against the bolt thread and not vibrate loose.
6. (D) Self-locking nuts are designed to jam against the bolt thread and not vibrate loose.
The wing nut is the only nut designed to be tightened by hand. It is used on connections that must be disassembled frequently and that do not require extreme
7. Wood floats in water because
(A) of its hollow cell structure.
(B) it weighs 1.5 times as much as an equal volume of water.
(C) its cells are nonporous.
(D) it has short, compact cells with air between them.
7. (A) Wood floats in water because of its hollow cell structure
9. The tool used to tighten a cylinder head bolt is a
(A) box wrench.
(B) breaker bar.
(C) ratchet.
(D) torque wrench.
(D) The tool used to tighten a cylinder head bolt is a torque wrench. Failure to tighten the head properly can result in a blown head gasket. So the cylinder head must be tightened in a specific sequence using a torque wrench.
Flat washers can be used to
(A) prevent the bolt and nut from loosening.
(B) exert force between the bolted connection and the piece being worked on.
(C) compensate for an oversized hole.
(D) connect thin-gauge metal parts.
8. (C) Flat washers are used to compensate for an oversized hole. They can also be used to distribute evenly the compressive load of a bolted connection over a wider area. Lock washers are designed to exert force between the bolted connection and the piece being worked on, preventing the bolt and nut from loosening.