563
Refer to para 11d(3).
572
Refer to para 7e(l).
573
CORRECT.
The retreading die will cut American Standard coarse
and fine threads and the adjustable die will cut both Standard
coarse and fine threads plus standard sizes used in Britain and
other European countries.
577
Refer to para 6c(7).
578
Refer to para 5f(5).
579
Refer to para 5d(1)(b).
581
Refer to para 6b(4).
582
Refer to fig 11.
584
Refer to para 13b(3).
591
CORRECT.
Mud taps and staybolt taps are considered special
purpose taps.
594
CORRECT.
By using a two-stage regulator the oxygen is reduced
from high to intermediate and then to working pressure.
This
pressure is constant and adjustments during welding operations
are not required as they are on the single-stage regulators.
Working pressure on a single-stage regulator must be adjusted as
the cylinder pressure falls.
595
CORRECT.
Socket wrenches have two openings: one a square which
fits the handle and the other a circular hole with notched sides
to fit the bolt, screwhead, or nut to be turned.
597
CORRECT.
A double flaring tool has the additional feature of
adapters that turn in the edge of the tube before a regular 45
flare is made.
612
Refer to para 4e(l)(e) and fig 29.
617
Refer to para 6b(6).
627
CORRECT.
Also, keep the end of the luminous cone about 1/16 of
an inch away from the base metal.
628
CORRECT.
End-to-center measure is also used to measure a piece
of pipe having a fitting screwed on one end only.
630
Refer to para 5c(3)(d).
634
Refer to para 16a(l).
635
Refer to para 6b(l)(a)2.
636
CORRECT.
This type caliper is used for measuring recesses
where the setting cannot be transferred to a scale directly
because the legs must be collapsed to remove them from the work.
154
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