Cfm unit 9 Study guides, Class notes & Summaries

4 - ANS Consider a room which is 40' square. How many 15cd wall mounted strobes are required to adequately cover this space? Annually - ANS What is the testing frequency of a strobe? 15 - ANS In a corridor application, visible appliances shall be rated not less than ________ cd? 4 hours - ANS Consider a household fire alarm system where the primary power is provided by a circuit that can be switched off by means other than a circuit breaker. The batt...

LARA - Residential Builders - State of Michigan Already Rated A SUSPENSION OF PERMIT: Your permit remains VALID if work is progressing, and inspections are requested and conducted. A permit shall become INVALID if the authorized work is not commenced within 6 months after issuance of the permit or if the authorized work is suspended or abandoned for a period of 6 months after the time of commencing the work. A Temporary Certificate of Occupancy may be issued provided Inspection...

15 amp 14 AWG Copper/ 12 AWG Aluminum 20 amp 12 AWG Copper/ 10 AWG Aluminum 25 amp 10 AWG Copper/ 10 AWG Aluminum 30 amp 10 AWG Copper/ 8 AWG Aluminum 40 amp 8 AWG Copper/ 6 AWG Aluminum 50 amp 6 AWG Copper/ 4 AWG Aluminum 60 amp 6 AWG Copper/ 3 AWG Aluminum 100 amp 4 AWG Copper/ 2 AWG Aluminum 125 amp 2 AWG Copper/ 1/0 AWG Aluminum 150 amp 1 AWG Copper/ 2/0 AWG Aluminum 200 amp 2/0 AWG Copper/ 4/0 AWG Aluminum ...

CFM 155, Mid-Term Review Already Passed 4 levels of homes? 1) Start Up 2) Move Up 3) Custom 4) Ultra Custom Fire exists are governed by usage i.e... homes/cinema/Marriott Center What is the main feature in a Bedroom? BED What is the water usage for a W/C? 1.6 gallons What is the water usage for a shower? 2 gallons p/m What is a bath width and depth? Width = 60" Depth = 16" ADA means? Americans with Disability Act 1990 ADA requires that bathrooms should have_____diameter to move? 5' K...

Esco Heat pump exam Questions and Answers 100% Pass 1. An air-to-air heat pump has many of the same components as an air conditioning system. The major difference is that a heat pump also has a (an); - Answer️️ -C: reversing valve. 2. What is the difference between "demand defrost" and "timed defrost?" - Answer️️ - D: demand defrost only happens when needed, and time defrost is on timed temperature 3. The thermostat that controls the auxiliary electric heat according to the o...

NATE Exam: Core Essentials, questions and answers. Verified d (very important) The ability to utilize all types of communication skills is ____ to the HVACR technician. a. not as important as "hands-on" technical skills b. somewhat important c. unimportant d. very important d (all of the above: clear, complete, concise) It is important to be ____ in filling out service orders so that office staff, other technicians, and customers will know what work you completed on the job. ...

LARA - Residential Builders - State of Michigan Questions with correct Answers SUSPENSION OF PERMIT: Your permit remains VALID if work is progressing, and inspections are requested and conducted. A permit shall become INVALID if the authorized work is not commenced within 6 months after issuance of the permit or if the authorized work is suspended or abandoned for a period of 6 months after the time of commencing the work. A Temporary Certificate of Occupancy may be issued provided Ins...

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuate the sy...

NATE A/C Exam #1,100% accurate answers| latest updated Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharg...

4 - Consider a room which is 40' square. How many 15cd wall mounted strobes are required to adequately cover this space? Annually - What is the testing frequency of a strobe? 15 - In a corridor application, visible appliances shall be rated not less than ________ cd? 4 hours - Consider a household fire alarm system where the primary power is provided by a circuit that can be switched off by means other than a circuit breaker. The battery must be recharged in____________ The ...