OREGON BOILERS NEW EXAM QUESTIONS AND CORRECT
ANSWERS FOR TOP PERFORMANCE
The pipe capacity is increased by four times when the pipe size is doubled.
Why is steel pipe heat-treated after welding? Prevent the weld from being
overly stressed.
What does the letter F in ASTM A-53F pipe mean? The response Butt weld
pipe for furnaces
What is the maximum amount of weld reinforcement that ASME B31.1
permits? ANSWER: 1/8 times the weld width.
What is ASME B31.1's maximum permitted weld undercut? ANSWER: 1/32 of
an inch
For steam service, ASTM A-120 pipe and ASTM A 53-B pipe can be used
interchangeably. ANSWER Untrue
Is it possible to test boiler external pipes pneumatically instead of
hydrostatically? - ACCEPTABLE
For strength calculations, seal welding of pipe joints may be taken into account.
ANSWER False
How many threads should there be per inch in NPS 2 1/2" pipe? The response 8
threads per inch
ANSWER True: Tack welds may be left in the joint as welded.
The ANSWER is the high pressure boiler bottom blow-down plumbing that
connects the boiler to the necessary valve. External pipework for boilers under
ASME B31.1
, A safety valve must be installed in the steam pipe system following each
pressure reducer. - ACCEPTABLE
Multiply by -ANSWER.433 to find the water column's pressure.
What offers all the details required to create ASME CODE SERVICE sound
welds? The response The qualified specification of the employer
It will probably be a mixture of oxygen and oil under pressure. ANSWER:
Everything mentioned above could blow up, start a fire, or ruin your day.
Which kind of valve is best for rapidly shutting and throttling fluids? The
response The globe valve
Is it possible to weld and machine steam flange faces? ANSWER NO
Which non-destructive examination method best identifies a completed weld's
lack of fusion? ASSISTANT Radiography
ANSWER: What is the best way to keep lo-high welding rod? in accordance
with the manufacturer's advice.
How can the distortion of cold bending pipes be avoided? The response Sand is
being added!
Why is a weld junction preheated? The response Drain the weld area of any
moisture.
Which portion of the ASME code governs welding? ANSWER 4 or IX
What is a triangle's hypotenuse? The response the right triangle's opposing side.
The hypotenuse of a triangle represents a segment of pipe known as the? -
ANSWER Travel
What is the area of a circle formula? ANSWER Pie R2
One cubic foot of water is equal to how many gallons? 7.5 gallons is the
answer.
What is the weight of one gallon of water? ANSWER 8.33
How many gallons can a 4-inch, schedule 40 pipe that is one foot long hold?
ANSWERS FOR TOP PERFORMANCE
The pipe capacity is increased by four times when the pipe size is doubled.
Why is steel pipe heat-treated after welding? Prevent the weld from being
overly stressed.
What does the letter F in ASTM A-53F pipe mean? The response Butt weld
pipe for furnaces
What is the maximum amount of weld reinforcement that ASME B31.1
permits? ANSWER: 1/8 times the weld width.
What is ASME B31.1's maximum permitted weld undercut? ANSWER: 1/32 of
an inch
For steam service, ASTM A-120 pipe and ASTM A 53-B pipe can be used
interchangeably. ANSWER Untrue
Is it possible to test boiler external pipes pneumatically instead of
hydrostatically? - ACCEPTABLE
For strength calculations, seal welding of pipe joints may be taken into account.
ANSWER False
How many threads should there be per inch in NPS 2 1/2" pipe? The response 8
threads per inch
ANSWER True: Tack welds may be left in the joint as welded.
The ANSWER is the high pressure boiler bottom blow-down plumbing that
connects the boiler to the necessary valve. External pipework for boilers under
ASME B31.1
, A safety valve must be installed in the steam pipe system following each
pressure reducer. - ACCEPTABLE
Multiply by -ANSWER.433 to find the water column's pressure.
What offers all the details required to create ASME CODE SERVICE sound
welds? The response The qualified specification of the employer
It will probably be a mixture of oxygen and oil under pressure. ANSWER:
Everything mentioned above could blow up, start a fire, or ruin your day.
Which kind of valve is best for rapidly shutting and throttling fluids? The
response The globe valve
Is it possible to weld and machine steam flange faces? ANSWER NO
Which non-destructive examination method best identifies a completed weld's
lack of fusion? ASSISTANT Radiography
ANSWER: What is the best way to keep lo-high welding rod? in accordance
with the manufacturer's advice.
How can the distortion of cold bending pipes be avoided? The response Sand is
being added!
Why is a weld junction preheated? The response Drain the weld area of any
moisture.
Which portion of the ASME code governs welding? ANSWER 4 or IX
What is a triangle's hypotenuse? The response the right triangle's opposing side.
The hypotenuse of a triangle represents a segment of pipe known as the? -
ANSWER Travel
What is the area of a circle formula? ANSWER Pie R2
One cubic foot of water is equal to how many gallons? 7.5 gallons is the
answer.
What is the weight of one gallon of water? ANSWER 8.33
How many gallons can a 4-inch, schedule 40 pipe that is one foot long hold?
