Instructions:

• Answer 50 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Which one of the following measures and takes action?
30 Degrees
Type K
Controller
set point


2. The type of drawing that views a building by looking directly at the front - top and side is referred to as a/an ___________ drawing.
piping
After cutting
orthographic
Pipe strain


3. What is the formula to figure take off on a 45 degree elbow?

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4. Factors in considering the site selection for a new cooling tower.
Up and Down
Guide - Anchor - Guide
Prevailing wind speed and direction - environmental concerns - zoning requirements
Green


5. Standard atmospheric pressure at sea level is _____...
Too fast of a travel rate
7.48
14.7 psia
Flat and horizontal positions


6. In a typical residential air condittioning system - the evaporator is of the _______________ type - where the liquid refrigerant should be totally vaporized before it reaches the outlet of the evaporator.
When a large volume of condensate is generated
231
14.7psia - always in PSI-A
dry expansion


7. If you double pipe size the carrying capacity is increased...
the type of coating and current
4 times
NEVER!
.491lbs


8. For an extension ladder to be at the correct angle for safe use on a working surface 20ft high. The ladder must be located how many feet away from the base?
1
Globe
(Total Height - Elevation) * .433 = psig
5ft - the 4 to 1 rule - every 4 feet high the base must move 1 foot back.


9. When should you ream the end of a pipe?
Waterlogged
Cavitation
After cutting
Roller hangers


10. A valve on the suction side of the pump should be...
Waterlogged
Its cheaper!
Expansion = Constant per 100ft multiplied by (Final Temp- Starting Temp) Example: 380' steel pipe (.0305 constant) is heated from 62 degrees to 171 degrees - how much did the pipe expand? Formula: .0305 * 3.8 (171-62) = 3 5/16'(inch)
Before the strainer and fully open.


11. Horizontal steam supply piping should be reduced in size by using...
Insure progressively tighter fit
.707
Strainer
Eccentric reducer (flat on top)


12. OD for 2'(inch)

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13. To fabricate a 60 degree elbow from a 90 you would...
.707 x Travel
compression
To allow for thermal movement
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut


14. What temperature does water boil at sea level?
212 degrees F
Alloying
.433psi
Pressure Rating


15. The density of water is...
Center of the pipe
Pipe strain
62.4
7.0


16. When a cranes signaler's hand is pointed up with his finger moving in a circle it means to...
Groove
tangent 1/2 angle x radius
Raise the load
The system temperature - thermal and dynamic movement of the pipe and vibration.


17. What is the formula to calculate thermal expansion?

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18. A Hartford loop is used for...
3 1/2'(inch)
Protection for loss of water in the boiler.
Pressuretrol
Flooded


19. The pipe that connects the steam header to the boiler return connection is the...
Globe valve
Arrange a wire rope clamp so that the dead end has the U bolts
To provide movement cause from a change in temperature
Equalizing line


20. Where should the high pressure condensate be piped to before entering the receiver?
Too fast of a travel rate
The system temperature - thermal and dynamic movement of the pipe and vibration.
Flash Tank
Mechanical return is used.


21. Steam condensate lines should be installed on...
Expansion = Constant per 100ft multiplied by (Final Temp- Starting Temp) Example: 380' steel pipe (.0305 constant) is heated from 62 degrees to 171 degrees - how much did the pipe expand? Formula: .0305 * 3.8 (171-62) = 3 5/16'(inch)
Bumping
The Evaporator
Roller hangers


22. What should the outside attendant do to rescue a worker who shows physiological effects of exposure in a confined space?
Notify response team and allow them to rescue.
Type K
1728
2nd gear divided by primary gear. Example: A machine has a primary pulley of 6'(inch) and a secondary pulley of 24'(inch). Formula is 24/6=4 - so the ratio is 4 to 1


23. The function of a steam trap is to prevent the flow of ________________ - while allowing condensate and non-condensable gases to pass through.
Level the 90 in horizontal position determine inside arc - backside arc and face to center dimensions for 60 degree elbow - mark and cut
Steam
Conduction - convection and radiant.
BCuP - Stands for Brazed Copper Phosphorus


24. When leaning a ladder against an object - the ladder should be at an approximate angle of __________ degrees.
Axis of pipe should be on a 45 degree
The impeller
75 degrees - also 4 to 1
Bight - running end and standing part


25. The purpose of the foot switch on a power-operated pipe cutting and threading machine is to?

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26. The control point adjustment on a receiver is used to change the _______________.
Roller hangers
Sensor
set point
Allow moisture to escape


27. The color code for ACR copper is...
handle will bend
Climbing the cross braces.
Axis of pipe should be on a 45 degree
Crimson... think aCRimson


28. There are __________ cubic inches in a gallon.
231
radius squared times PI
Primer
set point


29. When is it safe to remove the old packing from a valve that is under pressure?
.135 cu ft
NEVER!
zinc
the type of coating and current


30. The specific gravity of a gas is relative to the specific weight of _______________ - which has a specific gravity of one.
orthographic
Air
Vaporization
180


31. The color code for DWV copper is...
Yellow.. think Dee Double U is yelloWWW
1 5/16'(inch)
2nd gear divided by primary gear. Example: A machine has a primary pulley of 6'(inch) and a secondary pulley of 24'(inch). Formula is 24/6=4 - so the ratio is 4 to 1
In the hot water heating pumps discharge piping.


32. Which component in a closed control loop is the primary element?
Sensor
Set up opposite bolts fairly tight - then tighten all bolts equally for inspection purposes.
The same OD as the branch
3 to 15 psi


33. What does the crane signal with the index finger pointed forward in a swirling motion signal?
BCuP - Stands for Brazed Copper Phosphorus
The flux burns and the joint becomes ineffective
36'(inch)
Raise the load


34. A guard rail system must withstand a minimum force of __________ pounds.
200 lbs
A pry bar
Condensate pump size
steam and condensate flowing in the same direction


35. How do you determine gear ratios?

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36. The final step in the galvanizing of pipe is to dip the pipe into a bath of molten _________?
Purge the line when brazing
62.4 pounds
Expansion loop.
zinc


37. A dielectric fitting should be used on...
steel to copper joints
Immersion sensor
Magnesium
Sensor


38. When a flux joint is overheated it will not...
1 foot
Water
compression
Fuse


39. What are the three rope parts used in tying knots and hitches?
Flooded
Bight - running end and standing part
Loosen the far bolts first
2nd gear divided by primary gear. Example: A machine has a primary pulley of 6'(inch) and a secondary pulley of 24'(inch). Formula is 24/6=4 - so the ratio is 4 to 1


40. Before attaching regulators to an oxygen cylinder...
blow the valves for a moment
Immersion sensor
Clove hitch with a half hitch
Pneumatics


41. A rating of 300# refers to a flange's...
DWV
Beam clamp
Pressure Rating
62.4


42. The most that a crane should be loaded is...
true isometric
100% of the rated capacity
Basket
Eccentric reducer (flat on top)


43. When using a cable come-a-long - what safety device will indicate overloading?
100% of the rated capacity
Type K
handle will bend
15 PSI


44. The smallest nominal size DWV copper tube is...

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45. The color code for type '(inch)K'(inch) copper is?
Flooded
Green
.0361
Ammonia


46. Which of the elements of a wire rope aid in absorbing '(inch)Shock Loads'(inch)?
Spring hanger
near the middle of the jaws
Roller hangers
the core


47. When should a person designated as an attendant attempt to rescue a worker that is trapped?
blow the valves for a moment
Never
bowline on a bight
The tubing has been cleaned for oxygen service


48. The centerline of piping in a horizontal plane on an isometric drawing is most generally drawn at __________ degrees from the horizontal.
In the direction of flow
Alloying
30 Degrees
The flux is in the filler material


49. The best knot to use when lifting pipe vertically is the...
Clove hitch with a half hitch
true isometric
maximum rated capacity
Fusion


50. You should never blow your clothes off with oxygen because oxygen is a/an
Choked position
supporter of combustion
10 feet
A pry bar