Nicet Level 1 water-based systems Practice Exam Questions And Well Elaborated Solutions

Nicet Level 1 water-based systems Practice Exam Questions And Well Elaborated Solutions During an inspection, which of the following would be identified as a sprinkler which shall be replaced? - answer -Corrosion What are the inspection requirements for hangers and seismic braces installed in concealed spaces? - answer -Periodic inspection is not required Gauges shall be replaced every _____ or tested every _____ by comparison with a calibrated gauge - answer -5 years/ 5 years Where air pressure supervision is connected to a constantly attended location gauges shall be inspected ______? - answer -Monthly Sprinklers installed in areas that are inaccessible for safety consideration, due to process operations ____ be ____ during each scheduled shutdown? - answer - Shall/ Inspected What type of valve is designed for the purpose of reducing downstream water pressure under both residual and static conditions - answer -Pressure reducing valve PIV and OS&Y shall be backed a __________ from the fully open position to prevent jamming. - answer -1/4 turn Gauges not accurate to within _______ percentage of the full scale shall be recalibrated or replaced? - answer -3 percent When there is a _________ reduction in full flow pressure, when compared to original acceptance test, the cause of the reduction shall be identified and corrected. - answer -10 Percent An informational sign shall be placed at the _______ supplying the antifreeze loop, dry system, pre action system, or auxiliary systems control valve. - answer - System Control Riser Information signs should indicate which of the following? - answer -Location if the area served by system, the presence and location of antifreeze or other auxiliary systems, the presence and location of heat tape Which of the following signs require a quarterly inspection to verify that it is securely attached to the sprinkler riser? - answer -Hydraulic Design Information sign Which of the following would be an acceptable material for the information sign to be made of? - answer -Rigid plastic/ Metal How often shall the system information sign be tested? - answer -Testing is not required for the information sign What is a purpose of a control valve - answer -Control Flow to water based fire protection system The gauge on the quick opening device shall indicate _____ as compared to the gauge on the system side of the dry pipe valve? - answer -the same pressure What type of test shall be provided when a valve is returned to service to determine that the valve is open? - answer -Valve status test What is a fire service main? - answer -A pipe and its appurtenances on private property/ Pipe between a source of water and the base of the system riser Name the system that utilizes a plate through which a passes a specific amount of foam concentrate at a specific pressure. - answer -Orifice Plate Proportioning Sprinklers shall be tested for sensitivity and functionality at ______ PSI - answer - 5 What specialized equipment is needed to test waterflow alarm devices on a wet pipe system? - answer -None Sprinklers subject to overspray accumulation shall be protected by using? - answer -A thin paper bag What type of testing requires the use of a refractometer? - answer -Antifreeze System What type of device is used to test flow rates? - answer -Pilot Gauge Identify what type of sprinkler is designed to be installed in such a way that the water stream is directed downward against the deflector? - answer -Pendent sprinkler A class 1 standpipe system is a system that provides ________ hose connections to water supply used by fire departments. - answer -2 1/2 in What type of precautions should shall take place prior to entering confined spaces such as tanks, valve pits, or trenches? - answer -Legally required All penetrations into the area of cold storage shall be inspected. If an ice obstruction is found during the inspection, what requirement shall be employed? - answer -Additional pipe shall be examined to ensure no ice blockage exists. Internal examination of sprinkler pipe shall be performed at what areas while conducting an obstruction investigation and prevention? - answer -Systems valve, riser, and cross main NFPA 25 chapter 15 outlines the procedure to follow for impairment of a water based system. Besides this code requirement other action shall be followed based on the impairment? - answer -Attachment of a tag Normally closed valves shall be secured by the means of a seal or , be ________ in accordance with the applicable NFPA standard. - answer -Electrically supervised What is the frequency for testing the hose connections for pressure reducing and relief valves? - answer -60 Months In systems where the sole water supply is through a backflow preventer and/ or pressure reducing valves, the main drain test of at least one system downstream of the device shall be conducted ________? - answer -Quarterly Hose connections should be inspected, tested, and maintained in accordance with NFPA 25 Chapter ______ and Chapter____? - answer -6,13 When is the proper time for the employee's to receive training on the company fall arrest system? - answer -Before using the fall arrest system What is the maximum allowed scissor lift speed? - answer -1 foot per second If an explosive actuated tool misfires, you should? - answer -Wait 30 seconds and then refire When using compressed air for cleaning, it should be rated at less than ______ PSI? - answer -30 What is the minimum width allowed for the ladder stairs? - answer -12 Inches Hearing protection is required when the noise level reaches 90 DBA for a duration of _________? - answer -8 hours How far above the point of support is a ladder required to extend when used to access the roof? - answer -3 Feet When are hard hats required on the job sites? - answer -When there is a potential for injury from falling objects