Fire resistance ratings Study guides, Class notes & Summaries

Mechanics Exam Review-NEIEP Comprehensive Questions With 100%Correct Answers. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANSWER-100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANSWER-Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is...

A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required? - Answer-Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - Answer-Replace it with a larger MOV On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue? - Answer-Suicide Circuit You ...

ANSI - Answer-American National Standards Institute Carbon Dioxide - Answer-A colorless, odorless, electrically non conductive inert gas that is a suitable medium for extinguishing Class B and Class C fires 2 types of chemical - Answer-Wet and Dry Wet Chemical - Answer-Normally an aqueous solution of organic or inorganic salts or a combination thereof that forms an extinguishing agent Dry Chemical - Answer-A powder composed of very small particles, usually sodium bicarbonate- ,potassium b...

PDD NCARB PRACTICE EXAM Questions and answers, rated A+ Descriptive Specification “Describe” Describes the work result or the product ■Apple example: Red Round Apple ■Spec example: Gypsum board –paper faced with 5/8 inch gypsum core A specification which describes all product components, arrangements, assembly methods, properties, and other details and requirements. Descriptive specs are a hybrid of performance and prescriptive specs. They describe the way the product will ...

IFSTA Final Exam Questions and Answers 100% Pass What organization formed in 1896 develops codes and standards to ensure fire and life safety for the public? - Answer- D. NFPA What type of company is responsible for forcible entry? - Answer- A. Truck company Which of the following is a minimum requirement for protective clothing and equipment as established by NFPA 1500? - Answer- C. Protective equipment must meet current NFPA design standard. According to NFPA 1500 emergency operations ...

Inspector 1 Questions and Answers Rated A+ The service specific item that contains a checklist of areas/systems to inspect is: The fire prevention/protection record The minimum temp that must be maintained in order to use a wet pipe sprinkler system is 40 F Class lll standpipe systems have a? combination of a single 1 1/2 hose and a single 2 1/2 connection The extinguishing agent most effective on a fire involving animal or vegetable oils is: wet chemical the type of alarm system most likely...

HVAC Journeyman Final Prep Study Exam Questions and Answers In wood structures, notches on the end of the joists shall not exceed ___________ the joist depth. A. one fourth B. 6% of C. 1/2 of D. 10% of - CORRECT ANSWER-A. one-fourth Underground inspection shall be made after trenches or ditches are excavated and bedded, piping installed, and ___________ backfill is put in place. When excavated soil contains rocks, broken concrete, frozen chunks, and other rubble that would damage...

csm exam 1 questions & answers 2023/2024 According to the U.S. Green Building Council, what percentage of the world's energy use and greenhouse gas emissions can be attributed to buildings? - ANSWER-30-40% Sustainable building construction helps in the following ways except... - ANSWER-Reduce arable land Fire-resistance ratings for building components are given in units of: - ANSWER-Hours The type of environmental labels which are independent, third-party certifications of environ...

In wood structures, notches on the end of the joists shall not exceed ___________ the joist depth. A. one fourth B. 6% of C. 1/2 of D. 10% of - Answers-A. one-fourth Underground inspection shall be made after trenches or ditches are excavated and bedded, piping installed, and ___________ backfill is put in place. When excavated soil contains rocks, broken concrete, frozen chunks, and other rubble that would damage or break the piping or cause corrosive action, clean backfill shall be on...

NFPA 10 Portable Fire Extinguisher Exam 114 Questions with Verified Answers Shall - CORRECT ANSWER Indicates a mandatory requirement. Should - CORRECT ANSWER Indicates a recommendation or that which is advised but not required. High Pressure Cylinder - CORRECT ANSWER Pressure hiigher than 500 psi Low Pressure Cylinder - CORRECT ANSWER Lower than 500 psi Dry Powder extinguishes Class D combustible metals fires by ________,________< or _________ - CORRECT ANSWER Crusting Smothe...