Deck 15: Power Tools-Selection, Use, and Care

Question 1

Explain why polarized plugs are used.

Answer 1

To ensure that the plug can be inserted into the outlet only one way, which helps prevent electrical shock.

Question 2

A variety of __________ saws blades are available for rough cuts in wood, smoother cuts in wood, cutting metal, cutting plastics, and demolition work.

A) circular
B) reciprocating
C) rip
D) keyhole

Answer 2

B

Question 3

To drill holes in wood ranging in size from 3/8" to 2" or more, a __________ bit would be used.

A) twist
B) spade
C) carbide
D) masonry

Answer 3

B

Question 4

One of the most popular size portable circular saw blades is the __________.

A) 6 3/4"
B) 7 1/4"
C) 9"
D) 10"

Question 5

A(n) __________ bearing is a style of bearing in which the moving parts ride on a smooth metal tube.

A) ball
B) sleeve
C) oil
D) roller

Question 6

When inspecting a circular saw before using it, always check to see that the teeth on the saw blade are pointing ____________________ in the front of the saw.

Question 7

All corded tools made in the last 15 years will have a polarized plug-where one blade is __________. This design ensures that the plug can only be inserted into the outlet one way to prevent __________.

Question 8

To prevent a drill bit from walking out of position, you should use a ______________________________.

Question 9

When drilling metal, the __________ speed setting on the drill should be used.

A) low
B) medium
C) medium to fast
D) fast

Question 10

On power saws, the part of the saw that rests on the work piece is called the __________.

Question 11

A(n) __________ bearing is a style of bearing in which the moving parts roll on small steel rollers.

A) ball
B) sleeve
C) oil
D) roller

Question 12

When it comes to power tool safety, which is NOT a rule that should be observed at all times?

A) Only plug corded tools into GFCI-protected outlets.
B) Tools that are not double-insulated must be connected to an electrical ground.
C) Be sure corded and pneumatic tools are plugged in when changing blades, bits, and attachments.
D) Use power tools only if you've received instruction in their use.

Question 13

When using a corded drill to drive screws, the screw driver attachment needs to have a __________ to control the amount of torque applied to the screw.

Question 14

In 1928, a company called __________ invented the portable circular saw.

A) Black and Decker
B) Makita
C) DeWalt
D) Skil

Question 15

A(n) __________ saw is used to make curved cuts and to saw small openings.

A) circular saw
B) reciprocating saw
C) saber saw
D) hack saw

Question 16

__________ are designed to sense an imbalance in the electrical current flowing in the hot and neutral conductors.

Question 17

Explain the advantages that cordless tools have over corded power tools.

Question 18

Explain why you should never overtighten the nut when installing a new blade on a circular saw.

Question 19

A typical motor size for a circular saw might be __________.

A) 2 amps
B) 15 amps
C) 60 amps
D) 100 amps

Question 20

Explain why tools that are double insulated do not need to be grounded.

Question 21

Explain why the stock being cut off should not be held or supported.