self test 6

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1 point

When starting to cut threads with a die, which of the following is required?

all the force is applied to one handle

four points make contact with the rod

the tap is level

the widest part faces away from the rod

1 point

What PPE must be worn when hitting a broken tap with a hammer?

eye protection

rubber gloves

safety footwear

hearing proection

1 point

Which type of tap should you use to start a thread in a hole?

plug tap

starter tap

bottoming tap

taper tap

1 point

When a thread die is first used, it should be adjusted to cut threads in which of the following ways?

when turned backwards

as deeply as possible

when threads are UNF

as shallowly as possible

1 point

If you don't have a metric tap drill size chart, you can still determine the required size of the tap hole by measuring the major thread diameter and doing which of the following?

subtracting one thread pitch

adding the pitch diamter

adding one thread pitch

subtracting the depth of two threads

1 point

Small-diameter taps are generally turned by hand using which of the following tools?

T-type wrench

ratchet

screwdriver handle

flex bar

1 point

What should you do if a tap or die jams during a thread-cutting operation?

turn it more slowly

add more lubricant

replace the tap or die

turn it backwards

1 point

Plug taps are tapered along their length for how many threads?

1 point

Lubrication is not required if you are cutting threads into which of the following?

low-carbon steel

cast iron

aluminium

bronze

10.

1 point

How is a bolt threaded through its full length?

by using a bottoming tap

by turning the die over to cut the last portion

by starting from both ends

by using three separate dies in their correct order

11.

1 point

What is the correct type of lubricant to use during a thread-cutting operation?

crankcase oil

suitable thread-cutting fluid

warm, clean oil

1 part oil 2 parts water

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