9/1/25, 5:46 AM OBT3 EXAM, QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |2025\2026!! Flashcards | Quizlet
OBT3 EXAM, QUESTIONS WITH ACCURATE
ANSWERS | MULTIPLE CHOICES |2025\2026!!
Save
Terms in this set (166)
Which of the following A
should be worn when
using power tools?
a) Safety glasses
b) A hard hat
c) Leather gloves
d) Safety boots
What is the minimum Disposable Filter Masks
acceptable type of
respiratory protection to
be used when cleaning a
soot filled furnace?
What is the proper vertical 3:1 or 4:1
to horizontal distance
ratio for ladder
placement?
What muscles or parts of Stomach muscles and legs
your body should you
primarily use to lift a
weight from the floor?
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 1/43
,9/1/25, 5:46 AM OBT3 EXAM, QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |2025\2026!! Flashcards | Quizlet
When changing a drill bit Disconnect from the power source
or saw blade on a power
tool, what is first action
that you should take?
Name two safety concerns Messy and poor lit work areas
created by the customer's
housekeeping practices?
Name two areas that each Insulation, older ceiling tile
of the following Refactory material, cement
substances may be
encountered in the oil
heat trade: Asbestos and
Silica:
You must never use a Mushroomed
chisel with a ______________
head
Side locked
Name three types of
Linesman
pliers:
Needle-nose
A _____________ wrench is Box
better suited to loosening
tight nuts.
Combination
Name three types of snips: Compound
Straight
A masonry drill bit is Carbide
suited for drilling into
concrete due to its
____________ tip
______________ hammers are Ball Peen
best suited for striking
chisels.
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 2/43
,9/1/25, 5:46 AM OBT3 EXAM, QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |2025\2026!! Flashcards | Quizlet
Phillips
Name three types of
Robertson
screwdrivers:
Slotted
___________ should be used Compound Snips (Aviation Snips)
when making sharp turn
cuts in sheet metal?
Name four types of Open end, box end, cominations , adjustable
wrenches
Pliers should not be Heat
exposed to excessive:
_____________ and ____________ Length and Diameter
determine a screw size.
A ______________ is used to Toggle Bolt
anchor into a hollow wall.
True or False: True
Sheet metal screws are
self tapping.
"__________" cleat and an "S" and "Drive"
"__________" cleat are used to
join sheet metal
connections.
Name three types of Philips, Robertson, Slotted
screw heads:
A round headed bolt is Carriage Bolt
called a:
Name the two types of National Fine, National Course
thread forms:
A ____________ hole is required Pilot
to start most screw types.
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 3/43
, 9/1/25, 5:46 AM OBT3 EXAM, QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |2025\2026!! Flashcards | Quizlet
A sheet metal joint can be High temp foil tape
further sealed with the use
of___________
Washers help prevent a Loosening
nut from:
The volume of a structure 480 cu. Ft.
which measures 10 ' long x
6 ' wide x 8 high is:
The centigrade system of 100
measurement is broken
into __________ units.
The widest measurement Diameter
of a circle is called the:
Which oil nozzle has a B
wider spray angle:
a) 70° nozzle spray
b) 90 nozzle spray
c)450 nozzle spray
d) 60 nozzle spray
A foot has ________inches 12 inches, 100 centimeter
and a meter has
__________centimeters.
Convert 40°C to 104F
Fahrenheit.
Vacuum is measured in: B
a) Inches of water column
(wc)
b) Inches of mercury
(inHg)
c) Psi
d) Kpg
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 4/43
OBT3 EXAM, QUESTIONS WITH ACCURATE
ANSWERS | MULTIPLE CHOICES |2025\2026!!
Save
Terms in this set (166)
Which of the following A
should be worn when
using power tools?
a) Safety glasses
b) A hard hat
c) Leather gloves
d) Safety boots
What is the minimum Disposable Filter Masks
acceptable type of
respiratory protection to
be used when cleaning a
soot filled furnace?
What is the proper vertical 3:1 or 4:1
to horizontal distance
ratio for ladder
placement?
What muscles or parts of Stomach muscles and legs
your body should you
primarily use to lift a
weight from the floor?
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 1/43
,9/1/25, 5:46 AM OBT3 EXAM, QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |2025\2026!! Flashcards | Quizlet
When changing a drill bit Disconnect from the power source
or saw blade on a power
tool, what is first action
that you should take?
Name two safety concerns Messy and poor lit work areas
created by the customer's
housekeeping practices?
Name two areas that each Insulation, older ceiling tile
of the following Refactory material, cement
substances may be
encountered in the oil
heat trade: Asbestos and
Silica:
You must never use a Mushroomed
chisel with a ______________
head
Side locked
Name three types of
Linesman
pliers:
Needle-nose
A _____________ wrench is Box
better suited to loosening
tight nuts.
Combination
Name three types of snips: Compound
Straight
A masonry drill bit is Carbide
suited for drilling into
concrete due to its
____________ tip
______________ hammers are Ball Peen
best suited for striking
chisels.
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 2/43
,9/1/25, 5:46 AM OBT3 EXAM, QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |2025\2026!! Flashcards | Quizlet
Phillips
Name three types of
Robertson
screwdrivers:
Slotted
___________ should be used Compound Snips (Aviation Snips)
when making sharp turn
cuts in sheet metal?
Name four types of Open end, box end, cominations , adjustable
wrenches
Pliers should not be Heat
exposed to excessive:
_____________ and ____________ Length and Diameter
determine a screw size.
A ______________ is used to Toggle Bolt
anchor into a hollow wall.
True or False: True
Sheet metal screws are
self tapping.
"__________" cleat and an "S" and "Drive"
"__________" cleat are used to
join sheet metal
connections.
Name three types of Philips, Robertson, Slotted
screw heads:
A round headed bolt is Carriage Bolt
called a:
Name the two types of National Fine, National Course
thread forms:
A ____________ hole is required Pilot
to start most screw types.
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 3/43
, 9/1/25, 5:46 AM OBT3 EXAM, QUESTIONS WITH ACCURATE ANSWERS | MULTIPLE CHOICES |2025\2026!! Flashcards | Quizlet
A sheet metal joint can be High temp foil tape
further sealed with the use
of___________
Washers help prevent a Loosening
nut from:
The volume of a structure 480 cu. Ft.
which measures 10 ' long x
6 ' wide x 8 high is:
The centigrade system of 100
measurement is broken
into __________ units.
The widest measurement Diameter
of a circle is called the:
Which oil nozzle has a B
wider spray angle:
a) 70° nozzle spray
b) 90 nozzle spray
c)450 nozzle spray
d) 60 nozzle spray
A foot has ________inches 12 inches, 100 centimeter
and a meter has
__________centimeters.
Convert 40°C to 104F
Fahrenheit.
Vacuum is measured in: B
a) Inches of water column
(wc)
b) Inches of mercury
(inHg)
c) Psi
d) Kpg
https://quizlet.com/1070203971/obt3-exam-questions-with-accurate-answers-multiple-choices-20252026-flash-cards/?new 4/43
