TCFP Firefighter I/II Chapters 26-28 Test, Answered

TCFP Firefighter I/II Chapters 26-28 Test, Answered-In a preaction sprinkler system, what must happen before water will flow? Select one: A. The alarm condition must persist for a set time B. An alarm initiating device must be activated C. The dry-pipe valve must close D. System water pressure must drop - B. An alarm initiating device must be activated Where is a main sprinkler system valve usually installed? Select one: A. On the main riser, below the water supply control valve B. Outside the building, coming up out of the ground on a post C. Near the FDC D. On the main riser, above the water supply control valve - D. On the main riser, above the water supply control valve Which class of standpipe is intended for fire department use only? Select one: A. III B. II C. I D. IV - C. I Which is a distinguishing feature of old-style sprinkler heads? Select one: A. All heads are of the pendant type B. Only a few activation temperatures are available C. The heads are highly sensitive to pressure fluctuation D. The discharge pattern directs some water onto the ceiling - D. The discharge pattern directs some water onto the ceiling Which is a function of a sprinkler head? Select one: A. Detect smoke or fumes B. Activate the fire alarm system C. Report any trouble in the system D. Auto-restore when the fire is out - B. Activate the fire alarm system Which is a typical temperature rating for a sprinkler head in a light-hazard occupancy such as an office building? Select one: A. 225°F (107°C) B. 205°F (96°C) C. 185°F (85°C) D. 165°F (74°C) - D. 165°F (74°C)