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MEC-44 sample


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1: Safety glasses must be worn
when working in the shop
when using a hand drill on the lab benches
when your lab partner is cutting wire
all of the above
2: A screwdriver may be used as a pry device
always
never
if you are willing to take the chance of damaging the screwdriver
if you take care not to abuse it
3: A dead blow hammer is used
to kill your lab partner in a single blow
to drive a taper pin with a single strike
to apply a fixed force without a rebound
to prevent marring the surface of the workpiece
4: If a fire breaks out in the lab
pull the fire alarm and execute the emergency fire instructions
take the nearest fire extinguisher and put the fire out
walk over and tell the instructor
take no action; it should go out by itself
5: If the correct punch or drift cannot be found, a small drill bit of the same size can
can be used with extreme caution
be used interchangeably
never be used
be used if you don't put it back into the proper drawer
6: (see images file) The red arrow is pointing to
2.235"
2.325"
2.375"
2.123"
7: (see images file) Items 1 & 2 are (respectively) the
spindle and anvil
anvil and spindle
inside jaws and outside jaws
outside jaws and inside jaws
8: (see images file) This vernier caliper is reading
24.7 cm (0.976")
2.47 cm (0.976")
2.47 cm (9.760")
You cannot read metric and English (Imperial) units simultaneously
9: (see images file) This 1" micrometer is measuring
0.235"
3.45"
0.345"
0.320"
10: A digital caliper can
measure English or Metric but not simultaneously
English and Metric simultaneously
English only
Metric only
11: The proper number drill bit for a 4-40 clearance screw hole is
#4
#43
letter A
#31
12: A standard hex nut on a #6 screw is driven with a
crescent wrench
5/16" nutdriver
power screwdriver
monkey wrench
13: Convert 5.91" to metric
2.32 cm
1.50 cm
591 mm
150 mm
14: Commonly used to "permanently" fasten a bolt to a nut
welding
lock washer
locktite
witness paint
15: Usual way to repair a stripped threaded hole
helicoil
drill and retap for oversize
compression stud insert
expansion bolt
16: Witness paint is used on a torqued nut
to keep it from turning
to show that it was torqued
to see if it has loosened
b and c above
17: The least expensive way to join to steel sheets is
nuts and bolts
spot welding
TIG welding
MIG welding
18: 20 gauge steel thickness is
25 mils
32 mils
36 mils
52 mils
19: Files cut
in both directions
in neither direction
on the reverse stroke only
on the forward stroke only
20: 5052H32 is a type of
aluminum
cold rolled steel
hot rolled steel
brass half-hard
21: If a letter/number drill is not available for a tap hole for a 6-32 screw, you may use
3/16 or 4.8 mm
7/64 or 2.8 mm
9/64 or 3.6 mm
3.2 mm only
22: "chamfer" means
drilling out a hole to accept a helicoil
welding two pieces of metal using a specific TIG technique
breaking an edge or a corner to a specific angle
drilling a hole to a specific tap size
23: The preferred way of taking a broken bolt out of a tapped hole is
drilling out the bolt body and scraping the hole threads
heating the workpiece up and hammering the bolt out
freezing the workpiece and using a jeweler's screwdriver as a drift pin
using an ez-out
24: A torque wrench
can be used for general purpose bolt tightening
requires periodic calibration
has a very smooth ratchet action
is calibrated in furlongs per fortnight
25: In machine shop work, a "brake"
bends metal
stops a runaway lathe
slows down a drill press
controls the speed of the mill

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