Solutions Graded A+
Pythagorean Theorem is stated as: - Answer: A²+B²=C²
What is the weight of a gallon of water? - Answer: 8.33 lbs
A compound pressure gauge measures: - Answer: Both positive pressure and vacuum
The head pressure on a vertical rise of 67-feet is: - Answer: 29 psi
The metric system is based on multiples of: - Answer: 10
What is the static pressure measured at ground level for a tank that is 71 feet above ground? - Answer:
30.74 psi
A blue sprinkler marking has a temperature rating between: - Answer: 250 and 300 degrees Fahrenheit
A non-decorative sprinkler with white paint applied at the factory has: - Answer: An intermediate
temperature range
Sprinklers are required to be listed by: - Answer: Underwriters Laboratories or Factory Mutual
Ambient temperature is the: - Answer: Temperature of the surrounding environment
Approval markings on a fire sprinkler are usually found on: - Answer: The deflector
What sprinkler types require the use of a Listed escutcheon? - Answer: Concealed, flush, and recessed
, Corrosion resistant sprinklers include: - Answer: Wax coated, lead coated and wax over lead
Standard sprinklers with a 1/2 inc orifice are labeled as: - Answer: SSU or SSP
A standard response sprinkler must discharge water within ________ after reaching the fusing
temperature. - Answer: 100 seconds
The NFPA 30, 30B standards cover: - Answer: Aerosols and flammable liquid storage
An unused attic is what type of occupancy? - Answer: Light hazard
What is the maximum protection area for standard sprinklers in ordinary hazard, unobstructed
construction? - Answer: 130 sq. feet
What is the maximum protection area for ESFR sprinklers? - Answer: 100 sq. feet
The maximum spacing for any sprinkler cannot exceed _______: - Answer: 400 sq. feet
A pendent ESFR sprinkler has a maximum deflector distance of: - Answer: 14 inches
Large drop sprinklers can be used in: - Answer: Wet, dry or preaction systems
The minimum allowable spacing between large drop sprinklers is: - Answer: 8 feet
Extended coverage sprinklers for ________ were the first extended coverage sprinklers available. -
Answer: Light hazard occupancies
Dry sprinklers must be installed: - Answer: In a tee and not an elbow
The maximum coverage area for attic sprinklers is: - Answer: 400 sq. feet