Feature detectors Study guides, Class notes & Summaries

NICET Inspect & Test LVL 2 Exam Questions and Answers While testing a fire alarm system at a correctional facility, it is determined that the general fire alarm signal requires human intervention to be initiated. This is permitted using a _____ feature? A. Pre signal B. Positive alarm sequence C. Manual initiation D. Alarm verification - Answer-A. Pre Signal NFPA 72 23.8.1.1.2(3)(a) Consider a 50′ x 50′ room with a 12′ ceiling. What is the minimum intensity required for a ceilin...

The primary purpose of using flux when soldering copper or brass parts is to: prevent oxidation. Light commercial outdoor condensing units that are installed in geographic areas where snowfalls can be heavy must be mounted: with wind barriers on all sides. Proper ductwork connections and sealing is critical to good system performance. Conditions are: Return side air leak of 15 % in a ventilated attic 2.5 ton system rated at 1,000 CFM. Attic Air 95°F The loss in delivered capacity is...

S95 (Supervision of Fire Alarm System) Latest Version Already Graded A Accessibility Not guarded by locked doors, elevation Alarm notification appliance A fire alarm system component, such as a bell, horn, speaker, light, text display or vibration device that issues an audible, tactile, and/or visual alert Alarm signal A signal indicating an emergency requiring immediate action, such as a signal indicative of fire. Annunciator An unit containing one or more indicator lamps, alphanumeric displ...

FAL TFM12 BFAT3 QUESTIONS AND ANSWERS GRADED A+ Where supervised automatic sprinkler systems are required by Code, which standard or code regulates supervisory attachment installation? NFPA 72, National Fire Alarm Code A colorless, odorless, electrically non-conductive inert gas that extinguishes fire and forms dry ice snow when released directly into the atmosphere Carbon dioxide gas An automatic smoke detector that requires continuous presence of smoke above the alarm threshol...

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 o...

A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 16 ounces = 6 pound...

Texas Fire Alarm Rules And Statutes FAL TFM12 BFAT3 Exam Questions and Answers(RATED A)Where supervised automatic sprinkler systems are required by Code, which standard or code regulates supervisory attachment installation? - ANSWERNFPA 72, National Fire Alarm Code A colorless, odorless, electrically non-conductive inert gas that extinguishes fire and forms dry ice snow when released directly into the atmosphere - ANSWERCarbon dioxide gas An automatic smoke detector that requires continuou...

Midterm 1: 5418B564 - PSYC&100 General Psychology Revision Questions and AnswersMidterm 1 Instructions Once you open this exam, you will have 60 minutes to submit it. You will see one question at a time, but you CAN return to previously answered questions. This quiz was locked May 11 at 11:59pm. Attempt History Attempt Time Score LATEST Attempt 1 60 minutes 98 out of 100 Score for this quiz: 98 out of 100 Submitted May 11 at 9:21pm This attempt took 60 minutes. Correct! transduction ...

Millwright Level 4 Final Prep Exam Questions And Answers 100% Fire extinguishers involving electrical equipment have the letter? A. C B. D C. A D. B A. C A class B fire extinguisher is for? A. wood and paper fires B. electrical fires C. magnesium fires D. oil and gas fires D. oil and gas fires A material safety data sheet must be reviewed A. once a year B. once every three years or sooner C. at the discretion of the plant safety supervisor D.every five years B. once every thre...

NATE AC Service Certification exam with correct answers 2024 update A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - answer The purpo...