Practice final

Question 1

In areas where there is not enough vertical space to use a screwdriver with a straight shank, an offset screwdriver can be used.

Answer 1

True

Question 2

Teflon V-ring packing does not require a valve seal lubricant.

Answer 2

True

Question 3

Most files are made from carbon steel, which is heat-treated after stamping.

Answer 3

True

Question 4

Tang - that part of a file to which the handle is attached.

Answer 4

True

Question 5

When filing a speed of 30 to 40 cutting strokes per minute is recommended.

Answer 5

True

Question 6

A filing method that produces a smooth finish with a high degree of flatness is called draw filing.

Answer 6

True

Question 7

Wrenches for an Allen head set screw are hexagonal.

Answer 7

true

Question 8

When using a chisel the cutting force should always be directed toward the moveable jaw of the vise.

Answer 8

False

Question 9

When striking a chisel, watch the chisel head and not the cutting edge.

Answer 9

True

Question 10

Copper expands 1.4 times more than steel, when heated.

Answer 10

True

Question 11

Copper is an extremely poor conductor of heat.

Answer 11

False

Question 12

Copper tubing is specified by its OD (outside diameter.)

Answer 12

True

Question 13

Material that is to be soldered should be cleaned first to remove oxide deposits.

Answer 13

True

Question 14

The ratchet stop, which is provided on most micrometers, is there to stop damage to the micrometer.

Answer 14

True

Question 15

NC Bolts and NF Bolts can be the same diameter.

Answer 15

True

Question 16

When control air pressure is applied to the diaphragm of a flow control valve, the pressure at which the valve stem begins to move can be changed by varying the tension on the spring.

Answer 16

True

Question 17

In an emergency a micrometer may be used as a clamp.

Answer 17

False

Question 18

Valve stem packing: Teflon requires an extremely smooth valve stem finish.

Answer 18

True

Question 19

Of the common packing materials Teflon V-ring packing presents the least friction.

Answer 19

True

Question 20

Top quality tools are made of alloy steel and are carefully heat treated.

Answer 20

True

Question 21

Fine cut files are best for soft metals.

Answer 21

FALSE

Question 22

Coarse cut files are best for steels.

Answer 22

False

Question 23

Dies are used to cut NC (National Coarse) threads only.

Answer 23

False

Question 24

Taper, plug, bottoming and pipe all refer to thread dies.

Answer 24

False

Question 25

Taps and dies are very brittle.

Answer 25

True

Question 26

A hacksaw, with an 18 tooth blade, would be used to cut thin metal.

Answer 26

False

Question 27

Slip joint pliers are used to turn nuts, bolts or tubing fittings.

Answer 27

False

Question 28

Open-end wrench grasps the nut only on two (2) flats.

Answer 28

True

Question 29

Carbon steel twist drills lose their temper if severely overheated.

Answer 29

true

Question 30

When using a gasket cutter to cut a circular gasket, the inside cut is made first?

Answer 30

False

Question 31

Schedule 80 pipe has a smaller ID than schedule 40 pipe.

Answer 31

True

Question 32

Schedule 80 pipe has a larger OD than schedule 40 pipe.

Answer 32

False

Question 33

You can still continue to work when your permit has expired as long as it's the same day.

Answer 33

False

Question 34

Flux residue can cause corrosion problems?

Answer 34

True

Question 35

Galvanic corrosion occurs when two dissimilar materials are coupled in a corrosive electrolyte.

Answer 35

True

Question 36

When you tighten a joint, the number of turns by hand should be more than the number of turns using a wrench.

Answer 36

True

Question 37

Pressure instrument installations work the best in Tees, Elbows, and Bends facing the flow.

Answer 37

False

Question 38

``` Packing has to be replaced periodically because: A) it deteriorates B) it has been compressed and dried C) it may no longer provide a tight seal D) all the above ```

Answer 38

D) all the above

Question 39

``` Valve packing: A) is used only in hazardous process B) is always a rope type C) cannot be made of Teflon D) reduces leakage around the valve stem ```

Answer 39

D) reduces leakage around the valve stem

Question 40

The part of the file that actually does the cutting is called:

Answer 40

Face

Question 41

The name of the file cuts from most coarse to finer are:

Answer 41

Rough, coarse, bastard

Question 42

What are the three purposes of WHMIS?

Answer 42

Labels MSDS Sheets Worker Education

Question 43

When taping a hole (blind) that does not go through the metal, the proper steps to tap it are?

Answer 43

Tapered, plug, bottom

Question 44

Capillary action is designed to do what when soldering?

Answer 44

Draw the solder into the joints

Question 45

What type of solder is used in electronic soldering?

Answer 45

Rosin

Question 46

What power of soldering iron is used for electronic soldering?

Answer 46

20-50 Watts

Question 47

Halon is:

Answer 47

A fire extuisher type

Question 48

Why does the Nozzle on a C02 fire extinguisher get cold after use?

Answer 48

A gas cools upon expansion. This is known as the Joules Thomson effect.

Question 49

What is the cutting speed?

Answer 49

the speed at the margin of the drill bit

Question 50

What is the spindle speed?

Answer 50

the speed you set the drill press

Question 51

What is the feed rate of a drill?

Answer 51

the rate the drill is fed into the work

Question 52

What is the biggest gap a work rest on a grinder should ever have?

Answer 52

3mm?? says 1.5mm in another quiz

Question 53

When doing a U Bend in long tubing lines to allow for expansion and contraction on horizontal lines

Answer 53

The U should face upward for gas service and downward for liquid service

Question 54

A Robertson screwdriver has colored handles indicating size. List the four colors ranging from smallest to' largest

Answer 54

Black red Green yellow

Question 55

Is tubing sizes OD or ID"

Answer 55

OD

Question 56

If you don't have a proper tubing cutter, and you are "forced" to cut tubing with a hacksaw, and you had all 4 blades described below, which would be your best choice?

Answer 56

32

Question 57

What is tinning?

Answer 57

Adding solder to the tip of a piece of wire or the soldering tip

Question 58

In a workplace accident, who other than the injured person, is impacted?

Answer 58

A) The injured workers family | B) Other workers at the work site

Question 59

Who is responsible for workplace safety

Answer 59

A) The employer B) The company safety representative C) You

Question 60

What is the BEST way to mitigate hazards on a job site

Answer 60

Engineering Controls