What is a plenum - Study guides, Class notes & Summaries

If the venting on a high efficiency furnace runs through unheated spaces, what must be done? - correct answer -Insulate piping to prevent Condensation and freezing What is condensate drain piping used for? - correct answer -Dispose Liquid waste Once the furnace is installed, what are the gas technician's responsibilities to the user? - correct answer -To instruct the the user in the safe and correct operation of all appliances and equipment - clause 4.3.2 Which furnace type is the most ...

CSST EXAM PREP (Notes for the California CSST EXAM) QUESTIONS WITH 100% CORRECT SOLUTIONS. What is Title 8 CCR 5208 and 29 CFR 1910.1001? -Answer-General Industry What is plenum space? -Answer-An enclosed space that is used for airflow. Example: the area above a drop ceiling. What is fibrosis? -Answer-formation of scar tissue in the lungs What is mesothelioma? -Answer-Cancer that arises from the mesothelial cells of the pleura is caused by asbestos fibers What is Asbestosis -Answer-Asbe...

TFM 12 Fire Alarm Technical Test with 100% Correct Answers REVISED & VERIFIED 2023//2024 Does a fire hood system and a kitchen need to be monitored by the fire alarm system? - ANSWER Yes What does P.L.F.A stand for? - ANSWER Power Limited Fire Alarm What does N.P.L.F.A stand for? - ANSWER Non-Power Limited Fire Alarm What is the difference between P.F.L.A and N.P.F.L.A? - ANSWER an N.P.L.F.A can operate at up to 600v, and the power output isn't limited a P.L.F.A has the voltage ...

TFM12 Test with 100% Correct Answers REVISED & VERIFIED 2023//2024 What is used to protect transformers or other devices supplied from power-supply conductors? - ANSWER A. An overcurrent device not rated over 20 Amperes. What does PLFA stand for? - ANSWER Power Limited Fire Alarm What does NPLFA stand for? - ANSWER Non-Power Limited Fire Alarm What material must NPLFA circuit conductors be made from? - ANSWER Solid or stranded copper What is a single station detector? - ANSWER Batt...

Does a fire hood system and a kitchen need to be monitored by the fire alarm system? - Yes What does P.L.F.A stand for? - Power Limited Fire Alarm What does N.P.L.F.A stand for? - Non-Power Limited Fire Alarm What is the difference between P.F.L.A and N.P.F.L.A? - an N.P.L.F.A can operate at up to 600v, and the power output isn't limited a P.L.F.A has the voltage and power limited by a listed power source. What material must N.P.F.L.A circuit conductors be made from? - ONLY solid...

TFM 12 Fire Alarm Technical Questions and Answers 100% Pass Does a fire hood system and a kitchen need to be monitored by the fire alarm system? Yes What does P.L.F.A stand for? Power Limited Fire Alarm What does N.P.L.F.A stand for? Non-Power Limited Fire Alarm What is the difference between P.F.L.A and N.P.F.L.A? an N.P.L.F.A can operate at up to 600v, and the power output isn't limited a P.L.F.A has the voltage and power limited by a listed power source. What material m...

You are in the process of configuring a new computer. The motherboard has four memory slots and supports dual channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory is not configured to run in dual channel mode. What should you do? Correct Answer-Move the modules to the correct motherboard slots. An internal laptop keyboard is generally connected to the laptop's system using a: Correct Answer-Ribbon cable Which of the f...

When installing a listed central heating furnaces, and the installation instructions requires you to maintain 6" clearance from the supply air plenum to combustibles, the supply air ducts connecting to the plenum should also maintain the 6" clearance for what minimum distance from the plenum? - Answer-3' Masonry chimneys should be built and installed to NFPA code___________ - Answer-211 What is the lower flammability list limit for natural gas? - Answer-5% What is the minimum clearance ...

B A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A Which of the following markings is used for non-conductive optical fiber general-purpose cables? A OFNG B OFCR C OF...

TFM 12 Fire Alarm Technical Does a fire hood system and a kitchen need to be monitored by the fire alarm system? - Yes What does P.L.F.A stand for? - Power Limited Fire Alarm What does N.P.L.F.A stand for? - Non-Power Limited Fire Alarm What is the difference between P.F.L.A and N.P.F.L.A? - an N.P.L.F.A can operate at up to 600v, and the power output isn't limited a P.L.F.A has the voltage and power limited by a listed power source. What material must N.P.F.L.A circuit condu...