BOMI: Air Handling, Water Treatment &
Plumbing Systems
BOMI - Correct Answer ✔️✔️Air Handling, Water Treatment &
Plumbing System
1 - What material is a mixture of iron and iron silicate? - Correct
Answer ✔️✔️Wrought iron is a mixture of iron and iron silicate.
2 - What are benefits of using plastic for piping, fittings, and valves? -
Correct Answer ✔️✔️Lightweight, relatively inexpensive, easy
to assemble and install and corrosion resistant.
3 - On what basis is copper tubing standardized? - Correct Answer
✔️✔️Wall thickness schedules
4 - What are some advantages of tubing over piping? - Correct
Answer ✔️✔️Bending quality
,Less turbulence
Economy of space and weight
Flexibility
Fewer Fittings
Appearance
Fabrication
Easy assembly and disassembly
,5 - How is smaller and nominally sized piping measured? - Correct
Answer ✔️✔️Nominally sized piping is an approximate inside
diameter in the pipe up to and including 12 inches.
6 - How is larger sized pipe measured? - Correct Answer ✔️✔
️Larger pipe is measured by outside diameter.
7 - Which is the best method for connecting small pipe lengths and
low pressures? - Correct Answer ✔️✔️Threaded fittings
8 - Which is the best method for securing threaded or screwed pipe
connections? - Correct Answer ✔️✔️Tapered male threads are
cut on each end of the pope and tapered female screwed fitting such
as unions, couplings, elbows, and so forth are used to join lengths
with a lubricant and a wrench.
9 - What are the four requirements for making a proper flange joint
for a pipe? - Correct Answer ✔️✔️Thorough cleaning
, Accurate Alignment
Use of the proper gasket
Tightening of bolts in the proper order.
10 - How is welding defined? - Correct Answer ✔️✔️Welding
forms a joint by fusing metals at temperatures above their melting
points.
11 - What is the difference between brazing and Soldering? - Correct
Answer ✔️✔️The difference between brazing and soldering is the
flow temperature of the solder.
12 - What is the purpose of a cap or plug? - Correct Answer ✔️✔
️To close off the end of a fitting or a pipe.
Plumbing Systems
BOMI - Correct Answer ✔️✔️Air Handling, Water Treatment &
Plumbing System
1 - What material is a mixture of iron and iron silicate? - Correct
Answer ✔️✔️Wrought iron is a mixture of iron and iron silicate.
2 - What are benefits of using plastic for piping, fittings, and valves? -
Correct Answer ✔️✔️Lightweight, relatively inexpensive, easy
to assemble and install and corrosion resistant.
3 - On what basis is copper tubing standardized? - Correct Answer
✔️✔️Wall thickness schedules
4 - What are some advantages of tubing over piping? - Correct
Answer ✔️✔️Bending quality
,Less turbulence
Economy of space and weight
Flexibility
Fewer Fittings
Appearance
Fabrication
Easy assembly and disassembly
,5 - How is smaller and nominally sized piping measured? - Correct
Answer ✔️✔️Nominally sized piping is an approximate inside
diameter in the pipe up to and including 12 inches.
6 - How is larger sized pipe measured? - Correct Answer ✔️✔
️Larger pipe is measured by outside diameter.
7 - Which is the best method for connecting small pipe lengths and
low pressures? - Correct Answer ✔️✔️Threaded fittings
8 - Which is the best method for securing threaded or screwed pipe
connections? - Correct Answer ✔️✔️Tapered male threads are
cut on each end of the pope and tapered female screwed fitting such
as unions, couplings, elbows, and so forth are used to join lengths
with a lubricant and a wrench.
9 - What are the four requirements for making a proper flange joint
for a pipe? - Correct Answer ✔️✔️Thorough cleaning
, Accurate Alignment
Use of the proper gasket
Tightening of bolts in the proper order.
10 - How is welding defined? - Correct Answer ✔️✔️Welding
forms a joint by fusing metals at temperatures above their melting
points.
11 - What is the difference between brazing and Soldering? - Correct
Answer ✔️✔️The difference between brazing and soldering is the
flow temperature of the solder.
12 - What is the purpose of a cap or plug? - Correct Answer ✔️✔
️To close off the end of a fitting or a pipe.
