Test Bank For Sprinkler Fitting, Level 1 3rd Edition All Chapters
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Sprinkler Fitting
Instelling
Sprinkler Fitting
The C-factor is a term used to classify the - ANSWER>>Roughness of the inside of the pipe
If a sprinkler in a light hazard area of operation were spaced at the maximum of 225 square feet
and calculations were based on .10 gpm/sqft density over 1500 sqft, the required flow would
be —- g...
Test Bank For Sprinkler Fitting, Level 1 3rd
Edition All Chapters
When designing a system useibf ESFR sprinklers m, the number of design sprinklers must
includes - ANSWER>>The most hydraulically demanding area
Friction loss is always expressed in - ANSWER>>Psi per foot
The C-factor is a term used to classify the - ANSWER>>Roughness of the inside of the pipe
If a sprinkler in a light hazard area of operation were spaced at the maximum of 225 square feet
and calculations were based on .10 gpm/sqft density over 1500 sqft, the required flow would
be —- gpm - ANSWER>>22.5
The pressure loss per foot of elevation increase is —-psi - ANSWER>>.433
Weak water supplies require—- to offset pressure losses - ANSWER>>Larger piping than
stronger water supplies
Failure to adequately inspect and maintain the fire protection system accounts for at least —-
percent of system failures - ANSWER>>50
When flushing the underground piping, the minimum flushing rate for 4 inch pipe is —- gpm -
ANSWER>>390
When flushing underground piping, a velocity of at least —- feet per second is necessary for
scouring the pipe - ANSWER>>10
When it is apparent that there is too much material remaining on the job site, the excess should
be - ANSWER>>Returned to inventory
Grooves fitting and coupling - ANSWER>>Are normally shipped to the job site and attached to
the pipe during installation
, If the system cannot be placed back into service after a service call , the sprinkler contractor
should notify - ANSWER>>The customer, the fire department, and possibly the insurance
company
Because heating and cutting metals can create —-, always perform cutting operations in a well
ventilated area - ANSWER>>Toxic fumes
When using a fire extinguisher, you should aim at the —- of the fire - ANSWER>>Base
Whole numbers are complete units without —- or decimals - ANSWER>>Fractions
Subtracting one number from another is finding the —- between them - ANSWER>>Difference
If you have 364 boxes of sprinkler heads that must be divided equally amongst 7 jobs sites, how
many boxes does each site get - ANSWER>>52
The permissable leakage on newly underground pipe is a maximum of —- per hour per 100 pipe
joints, regardless of the pipe size - ANSWER>>2 quarts
A main drain test on wet sprinkler systems must be conducted—- per NFPA 25 requirement -
ANSWER>>Annually
If a fire sprinkler inspector notices that other system devices( such as electrical conduit) are
supported from sprinkler piping, the inspector should - ANSWER>>Note the problem on the
inspection report and recommend that the devices be removed
The NFPA standard for the inspection, testing, and maintenance of water-based fire protection
systems is - ANSWER>>NFPA 25
In addition to hydrostatic testing, dry system piping is also subjected to a pneumatic test using
air at —-psi - ANSWER>>40
With antifreeze systems, the freezing points of the antifreeze must be tested -
ANSWER>>Annually
Water spray fixed systems are most commonly used to protect - ANSWER>>Processing
equipment and structures, as well as flammable liquid and gas vessels
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