High Pressure Boilers Final Exam with correct answers
Boiler fittings are necessary for __________ - ** VERIFIED ANSWERS **✔✔- efficiency
To prevent failure from pressure over the MAWP, all steam boilers must be equipped with at least
one __________ - ** VERIFIED ANSWERS **✔✔- safety valve
The purpose of a safety valve is to __________ - ** VERIFIED ANSWERS **✔✔- prevent the boiler
from exceeding its MAWP
Safety valves are designed to __________ - ** VERIFIED ANSWERS **✔✔- pop open
When testing a safety valve manually, there must be __________ - ** VERIFIED ANSWERS **✔✔-
at least 75% of the safety valve popping pressure on the boiler
Any repairs to the safety valve must be done by the __________ - ** VERIFIED ANSWERS **✔✔-
manufacturer-authorized representative
A __________ test is used to test the relief capacity of a safety valve - ** VERIFIED ANSWERS
**✔✔- accumulation
__________ pressure is the pressure caused by the weight of a column of water - ** VERIFIED
ANSWERS **✔✔- hyrdrostatic
A cyclone separator is a cylindrical device that separates water droplets from steam using
__________ - ** VERIFIED ANSWERS **✔✔- centrifugal force
A steam pressure gauge must be protected by a siphon to prevent __________ - ** VERIFIED
ANSWERS **✔✔- steam from damaging the gauge
, The correction factor for hydrostatic pressure is __________ psi per vertical foot - ** VERIFIED
ANSWERS **✔✔- .433
The boiler vent is open when warming up a boiler until __________ - ** VERIFIED ANSWERS
**✔✔- there is 10 psi to 25 psi of steam pressure on the boiler
Separators work on the basic principle of __________ - ** VERIFIED ANSWERS **✔✔- changing
the direction of steam flow
The dry pipe separator is located in the __________ - ** VERIFIED ANSWERS **✔✔- upper part of
the steam drum
The ASME Code states that high pressure boilers in battery and equipped with manhole openings
must have __________ - ** VERIFIED ANSWERS **✔✔- two main steam stop valves
A main steam stop valve should be a __________ - ** VERIFIED ANSWERS **✔✔- os&y gate
Boiler safety valves are placed at the highest part of the __________ - ** VERIFIED ANSWERS
**✔✔- steam space
During boiler inspection, the main steam stop valves are __________ - ** VERIFIED ANSWERS
**✔✔- closed, locked, and tagged
A pressure gauge must be recalibrated if it is not accurate to within __________% of the working
pressure - ** VERIFIED ANSWERS **✔✔- 2
During normal usage, __________ are used to allow for the expansion and contraction of the main
steam line - ** VERIFIED ANSWERS **✔✔- expansion bends
A main steam stop valve should be a gate valve because a gate valve __________ - ** VERIFIED
ANSWERS **✔✔- offers no resistance to the flow of steam
Boiler fittings are necessary for __________ - ** VERIFIED ANSWERS **✔✔- efficiency
To prevent failure from pressure over the MAWP, all steam boilers must be equipped with at least
one __________ - ** VERIFIED ANSWERS **✔✔- safety valve
The purpose of a safety valve is to __________ - ** VERIFIED ANSWERS **✔✔- prevent the boiler
from exceeding its MAWP
Safety valves are designed to __________ - ** VERIFIED ANSWERS **✔✔- pop open
When testing a safety valve manually, there must be __________ - ** VERIFIED ANSWERS **✔✔-
at least 75% of the safety valve popping pressure on the boiler
Any repairs to the safety valve must be done by the __________ - ** VERIFIED ANSWERS **✔✔-
manufacturer-authorized representative
A __________ test is used to test the relief capacity of a safety valve - ** VERIFIED ANSWERS
**✔✔- accumulation
__________ pressure is the pressure caused by the weight of a column of water - ** VERIFIED
ANSWERS **✔✔- hyrdrostatic
A cyclone separator is a cylindrical device that separates water droplets from steam using
__________ - ** VERIFIED ANSWERS **✔✔- centrifugal force
A steam pressure gauge must be protected by a siphon to prevent __________ - ** VERIFIED
ANSWERS **✔✔- steam from damaging the gauge
, The correction factor for hydrostatic pressure is __________ psi per vertical foot - ** VERIFIED
ANSWERS **✔✔- .433
The boiler vent is open when warming up a boiler until __________ - ** VERIFIED ANSWERS
**✔✔- there is 10 psi to 25 psi of steam pressure on the boiler
Separators work on the basic principle of __________ - ** VERIFIED ANSWERS **✔✔- changing
the direction of steam flow
The dry pipe separator is located in the __________ - ** VERIFIED ANSWERS **✔✔- upper part of
the steam drum
The ASME Code states that high pressure boilers in battery and equipped with manhole openings
must have __________ - ** VERIFIED ANSWERS **✔✔- two main steam stop valves
A main steam stop valve should be a __________ - ** VERIFIED ANSWERS **✔✔- os&y gate
Boiler safety valves are placed at the highest part of the __________ - ** VERIFIED ANSWERS
**✔✔- steam space
During boiler inspection, the main steam stop valves are __________ - ** VERIFIED ANSWERS
**✔✔- closed, locked, and tagged
A pressure gauge must be recalibrated if it is not accurate to within __________% of the working
pressure - ** VERIFIED ANSWERS **✔✔- 2
During normal usage, __________ are used to allow for the expansion and contraction of the main
steam line - ** VERIFIED ANSWERS **✔✔- expansion bends
A main steam stop valve should be a gate valve because a gate valve __________ - ** VERIFIED
ANSWERS **✔✔- offers no resistance to the flow of steam
