OBT3 EXAM QUESTIONS 2025\26 |
GUARANTEED ACCURATE ANSWERS |
COMPLETE!!
Which of the following should be worn when using power tools?
a) Safety glasses
b) A hard hat
c) Leather gloves
d) Safety boots - ACCURATE ANSWERS✔✔ A
What is the minimum acceptable type of respiratory protection to be used when cleaning a soot
filled furnace? - ACCURATE ANSWERS✔✔ Disposable Filter Masks
What is the proper vertical to horizontal distance ratio for ladder placement? - ACCURATE
ANSWERS✔✔ 3:1 or 4:1
What muscles or parts of your body should you primarily use to lift a weight from the floor? -
ACCURATE ANSWERS✔✔ Stomach muscles and legs
When changing a drill bit or saw blade on a power tool, what is first action that you should
take? - ACCURATE ANSWERS✔✔ Disconnect from the power source
Name two safety concerns created by the customer's housekeeping practices? - ACCURATE
ANSWERS✔✔ Messy and poor lit work areas
Name two areas that each of the following substances may be encountered in the oil heat
trade: Asbestos and Silica: - ACCURATE ANSWERS✔✔ Insulation, older ceiling tile
EXAMLINKS
STUDY SMART,
,Refactory material, cement
You must never use a chisel with a ______________ head - ACCURATE ANSWERS✔✔
Mushroomed
Name three types of pliers: - ACCURATE ANSWERS✔✔ Side locked
Linesman
Needle-nose
A _____________ wrench is better suited to loosening tight nuts. - ACCURATE ANSWERS✔✔
Box
Name three types of snips: - ACCURATE ANSWERS✔✔ Combination
Compound
Straight
A masonry drill bit is suited for drilling into concrete due to its ____________ tip - ACCURATE
ANSWERS✔✔ Carbide
______________ hammers are best suited for striking chisels. - ACCURATE ANSWERS✔✔ Ball
Peen
Name three types of screwdrivers: - ACCURATE ANSWERS✔✔ Phillips
Robertson
Slotted
EXAMLINKS
STUDY SMART,
,___________ should be used when making sharp turn cuts in sheet metal? - ACCURATE
ANSWERS✔✔ Compound Snips (Aviation Snips)
Name four types of wrenches - ACCURATE ANSWERS✔✔ Open end, box end, cominations ,
adjustable
Pliers should not be exposed to excessive: - ACCURATE ANSWERS✔✔ Heat
_____________ and ____________ determine a screw size. - ACCURATE ANSWERS✔✔ Length
and Diameter
A ______________ is used to anchor into a hollow wall. - ACCURATE ANSWERS✔✔ Toggle Bolt
True or False:
Sheet metal screws are self tapping. - ACCURATE ANSWERS✔✔ True
"__________" cleat and an "__________" cleat are used to join sheet metal connections. -
ACCURATE ANSWERS✔✔ "S" and "Drive"
Name three types of screw heads: - ACCURATE ANSWERS✔✔ Philips, Robertson, Slotted
A round headed bolt is called a: - ACCURATE ANSWERS✔✔ Carriage Bolt
Name the two types of thread forms: - ACCURATE ANSWERS✔✔ National Fine, National Course
A ____________ hole is required to start most screw types. - ACCURATE ANSWERS✔✔ Pilot
EXAMLINKS
STUDY SMART,
, A sheet metal joint can be further sealed with the use of___________ - ACCURATE
ANSWERS✔✔ High temp foil tape
Washers help prevent a nut from: - ACCURATE ANSWERS✔✔ Loosening
The volume of a structure which measures 10 ' long x 6 ' wide x 8 high is: - ACCURATE
ANSWERS✔✔ 480 cu. Ft.
The centigrade system of measurement is broken into __________ units. - ACCURATE
ANSWERS✔✔ 100
The widest measurement of a circle is called the: - ACCURATE ANSWERS✔✔ Diameter
Which oil nozzle has a wider spray angle:
a) 70° nozzle spray
b) 90 nozzle spray
c)450 nozzle spray
d) 60 nozzle spray - ACCURATE ANSWERS✔✔ B
A foot has ________inches and a meter has __________centimeters. - ACCURATE ANSWERS✔✔
12 inches, 100 centimeter
Convert 40°C to Fahrenheit. - ACCURATE ANSWERS✔✔ 104F
Vacuum is measured in:
EXAMLINKS
STUDY SMART,
GUARANTEED ACCURATE ANSWERS |
COMPLETE!!
Which of the following should be worn when using power tools?
a) Safety glasses
b) A hard hat
c) Leather gloves
d) Safety boots - ACCURATE ANSWERS✔✔ A
What is the minimum acceptable type of respiratory protection to be used when cleaning a soot
filled furnace? - ACCURATE ANSWERS✔✔ Disposable Filter Masks
What is the proper vertical to horizontal distance ratio for ladder placement? - ACCURATE
ANSWERS✔✔ 3:1 or 4:1
What muscles or parts of your body should you primarily use to lift a weight from the floor? -
ACCURATE ANSWERS✔✔ Stomach muscles and legs
When changing a drill bit or saw blade on a power tool, what is first action that you should
take? - ACCURATE ANSWERS✔✔ Disconnect from the power source
Name two safety concerns created by the customer's housekeeping practices? - ACCURATE
ANSWERS✔✔ Messy and poor lit work areas
Name two areas that each of the following substances may be encountered in the oil heat
trade: Asbestos and Silica: - ACCURATE ANSWERS✔✔ Insulation, older ceiling tile
EXAMLINKS
STUDY SMART,
,Refactory material, cement
You must never use a chisel with a ______________ head - ACCURATE ANSWERS✔✔
Mushroomed
Name three types of pliers: - ACCURATE ANSWERS✔✔ Side locked
Linesman
Needle-nose
A _____________ wrench is better suited to loosening tight nuts. - ACCURATE ANSWERS✔✔
Box
Name three types of snips: - ACCURATE ANSWERS✔✔ Combination
Compound
Straight
A masonry drill bit is suited for drilling into concrete due to its ____________ tip - ACCURATE
ANSWERS✔✔ Carbide
______________ hammers are best suited for striking chisels. - ACCURATE ANSWERS✔✔ Ball
Peen
Name three types of screwdrivers: - ACCURATE ANSWERS✔✔ Phillips
Robertson
Slotted
EXAMLINKS
STUDY SMART,
,___________ should be used when making sharp turn cuts in sheet metal? - ACCURATE
ANSWERS✔✔ Compound Snips (Aviation Snips)
Name four types of wrenches - ACCURATE ANSWERS✔✔ Open end, box end, cominations ,
adjustable
Pliers should not be exposed to excessive: - ACCURATE ANSWERS✔✔ Heat
_____________ and ____________ determine a screw size. - ACCURATE ANSWERS✔✔ Length
and Diameter
A ______________ is used to anchor into a hollow wall. - ACCURATE ANSWERS✔✔ Toggle Bolt
True or False:
Sheet metal screws are self tapping. - ACCURATE ANSWERS✔✔ True
"__________" cleat and an "__________" cleat are used to join sheet metal connections. -
ACCURATE ANSWERS✔✔ "S" and "Drive"
Name three types of screw heads: - ACCURATE ANSWERS✔✔ Philips, Robertson, Slotted
A round headed bolt is called a: - ACCURATE ANSWERS✔✔ Carriage Bolt
Name the two types of thread forms: - ACCURATE ANSWERS✔✔ National Fine, National Course
A ____________ hole is required to start most screw types. - ACCURATE ANSWERS✔✔ Pilot
EXAMLINKS
STUDY SMART,
, A sheet metal joint can be further sealed with the use of___________ - ACCURATE
ANSWERS✔✔ High temp foil tape
Washers help prevent a nut from: - ACCURATE ANSWERS✔✔ Loosening
The volume of a structure which measures 10 ' long x 6 ' wide x 8 high is: - ACCURATE
ANSWERS✔✔ 480 cu. Ft.
The centigrade system of measurement is broken into __________ units. - ACCURATE
ANSWERS✔✔ 100
The widest measurement of a circle is called the: - ACCURATE ANSWERS✔✔ Diameter
Which oil nozzle has a wider spray angle:
a) 70° nozzle spray
b) 90 nozzle spray
c)450 nozzle spray
d) 60 nozzle spray - ACCURATE ANSWERS✔✔ B
A foot has ________inches and a meter has __________centimeters. - ACCURATE ANSWERS✔✔
12 inches, 100 centimeter
Convert 40°C to Fahrenheit. - ACCURATE ANSWERS✔✔ 104F
Vacuum is measured in:
EXAMLINKS
STUDY SMART,
