Feature detectors - Study guides, Class notes & Summaries

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...

NICET Level 1 Questions and Answers Already Passed The operable part of a manually actuated alarm initiating device shall be not less than ____ inches AFF? 42 Consider the use of grounding electrodes. Rod and pipe electrodes shall not be less than____ feet in length? 8 Smoke detectors should not be located in a direct airflow or closer than ____ inches from an air supply diffuser or return air opening? 36 Consider the use of visible notification appliances. Wall mounted appliances shall be m...

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...

CogSci 1B Final Certification Exam Questions and Answers 2024 Perception I: Visual Perception & Imagery (UNIT) - CORRECT ANSWER-... When did cognitive scientists start examining the brain during different cognitive processes and what facilitated this? - CORRECT ANSWER-- 1980s - functional neuroimaging Two visual systems hypothesis - CORRECT ANSWER-Two pathways of visual processing - dorsal stream - ventral stream Dorsal stream - CORRECT ANSWER-involved in perception of spatial loca...

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...

1. A Fire Life Safety Director should be familiar with which of the following EXCEPT?: How to manually programmed the HVAC system via the BMS (Building Management System). 2. When a Fire Life Safety Director is conducting fire drills for the occupants, they should be instructed to always notify first in the event of a fire condition.: 911 3. The fire triangle identifies the three needed components of fires as which of the following:: - Oxygen - Fuel - Heat 4. A Deputy Fire Warden shall be p...

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 ...

PSYC 331: Cognitive Psychology - Test 1 with complete solution Cognitive Psychology - Correct Answer The branch of psychology concerned with the scientific study of the mind Mental Processes - Correct Answer Creates representations of the world to enable us to act and to achieve goals Operant Conditioning - Correct Answer Focuses on how behavior is strengthened by the presentation of positive reinforcers Information Processing Approach - Correct Answer Traces the sequence of mental ope...

FDNY Fire Life & Safety Director Test #2 Complete Questions And Answers A Fire Life Safety Director should be familiar with which of the following EXCEPT? How to manually programmed the HVAC system via the BMS (Building Management System). When a Fire Life Safety Director is conducting fire drills for the occupants, they should be instructed to always notify ______ first in the event of a fire condition. 911 The fire triangle identifies the three needed components of fires as which of the...

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...