Module 4

Question 1

What do you do before replacing any parts bits blades or discs for power tools ?

Answer 1

Disconnect the power source

Question 2

What do you never engage on power tools ? If one is installed

Answer 2

The trigger lock

Question 3

Most hammer drills will not hammer until what ?

Answer 3

Until pressure is applied

Question 4

When are pneumatic tools usually used ?

Answer 4

When there is no electrical source available

Question 5

What does the guard on power tools do ?

Answer 5

It protects workers from flying debris, and from workers being cut by blade/from moving parts

Question 6

When circular saws cut they leave what ?

Answer 6

A kerf

Question 7

How thick is a kerf ?

Answer 7

Usually 1/8 inch wide

Question 8

What side do you align the blade with while cutting ?

Answer 8

Align the blade with the waste side to account for the kerf

Question 9

Which saw is used for doing delicate and intricate work, such as cutting out patterns or irregular shapes ?

Answer 9

A saber saw (jig saw)

Question 10

Before changing blades from saws, what must you do ?

Answer 10

Disconnect the saw from the power source

Question 11

Before plugging in a saw to a power source, what do you do ?

Answer 11

Make sure the switch on the saw is on the off position

Question 12

Which saw combined a miter box with a circular saw to make straight and miter cuts ?

Answer 12

Power miter saw

Question 13

What is used to grind away hard heavy materials and surfaces such as pipes plates and welds ?

Answer 13

An angle grinder

Question 14

When using a grinder what PPE is essential ?

Answer 14

A face shield

Question 15

When grinding or beveling, what should you always use as support ?

Answer 15

A tool test

Question 16

What’s the maximum gap between the grinders wheel and tool rest ?

Answer 16

1/8 maximum gap

Question 17

What’s the maximum gap between the wheel guard and the wheel on a grinder ?

Answer 17

1/4 inch

Question 18

Before mounting a grinding wheel into a bench grinder what do you do ?

Answer 18

Check the wheel for chipped or cracked edges, then perform a ring test

Question 19

Why does using a burr bit require steady hands ?

Answer 19

Before it operated at high rpm and can catch onto burns which shifts the grinder around a bit

Question 20

What tool is used to drive steel pins or threaded steel studs directly into masonry and steel ?

Answer 20

Powder actuated tools

Question 21

What do you do before using any pneumatically powered nailers ?

Answer 21

Read the manufacturers instructions

Question 22

Using powder actuated fastening tools requires what ?

Answer 22

certification and special training

Question 23

What tool is used for large scale demolition work such as tearing down brick and concrete walls and breaking up concrete or pavement ?

Answer 23

Pavement breaker (Jack hammer)

Question 24

What types of hydraulic jacks are there ?

Answer 24

Those with internal pumps and those that use a lever operated pump