What is the leading cause of fire the leading cause of fire?
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What is the leading cause of fire the leading cause of fire?
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- 5 apparatus or devices used for Flash, Fire, and Pour Points of lubricants and fuels1. Pencils are made of graphite rather than lead that are considered a hazard. 2. Charcoals are made fromm willow and vine sticks, where wood cellulose has been heated without moisture to create the black color. _3. Drawing inks are usually solvent-based. _4. Permanent felt tip markers used in design or graphic arts contain solvents. _5. Spray mists are particularly hazardous because they easily inhaled. _6. The hazards present to aerosol sprays are pigments and solvents. _7. Asthmatic persons prefer to use oil pastels than dusty pastel sticks. _8. Spray booth that exhausts to the outside is necessary when using spray cans. _9. Blow off excess pastel or charcoal dust with your mouth. 10. Alcohol-based markers are less toxic than aromatic solvent-based markers. 11. Solvent-based drawing inks and permanent markers should be used with good dilution ventilation. 12. Pastels can contain toxic pigments such as chrome yellow and cadmium pigment. 13. Colored chalks are not considered nuisance…Please describe the Applications and significance of energy loss in pipe fittings. (Give real life engineering examples)
- These are the common do's in a ladder and scaffolds except, A) install guardrails on top of high scaffolds B base plate is designed to support the scaffold straddle on top of a ladder D materials must kept in good condition E always maintain good footing on a step ladder Employers may not communicate the hazardous energy control program with workers but provide education and training on their roles and responsibilities within the program. The training should cover all types of hazardous energy they may encounter throughout their work and how it can be controlled. A True B False According to OSH Standards about demolition, which item is not included, A adequate precautions shall be taken for sudden collapse B do not overload debris or material in one place stairs, railings and access routes to be remove first no worker is allowed to work in the building edgeBased on the materials of the course, building loads for which an HVAC system must compensate include all of the following except Select one: O a Ventilation loads O b Infiltration toads Sensible load O d. Transferrable loads Based on the materials of the course, which of the following statements about fire sprinklers is false Select one: O a. Sprinklers have a metal element that melts because of fire. O b. Smoke can cause fire sprinkler to be activated. c. Heat can activate fire sprinkler. O d. Sprinklers act as suppression and detection fire systems. Based on the materials of the course, the contrel system that uses a digtal signal to provide inturnation about the operating status and cundtons uf he HAC system s catet Select one: O a Automated Controls Systen b. HVAC system Oc. Operating System d. Building Automation SystemYou can get an electrical shock: When some part of your body becomes part of an electric a. circuit. you touch both wires of an electric circuit. If you touch one wire of an energized circuit and ground. If C. d. All of the above. Electricity can cause fires: Because of defective or misused electrical equipment. When wires are improperly spliced or connected. When wires are improperly connected to outlets or a. b. C. switches. All of the above. d. b.
- Select the correct statement. O a. The source of solar power is from sunlight and it is captured by wind mills and converted into electricity. It is also used for heating, drying etc O b. Wind mills can have a capacity to produce energy in a large-scale, which is an alternative to fossil fuels. O c. Most of the renewable energy sources are available finite in nature, so it will run out easily as like as non renewable energY sources. O d. Construction cost of dam is very less and also it can cause flooding of surrounding communities and landscapes.Question 5 Which statement about electrical conduction in wood is FALSE? O a. Electrical conduction increases very rapidly with increasing wood moisture content. O b. Electrical conduction is generally the same regardless of wood species. O C. Electrical conduction is greatest in the longitudinal direction of wood. Od. Electrical conduction increases with increased wood temperature.An approach that insulates the attic, floors, and walls to reduce the energy needed to heat and cool a home is known as O daylighting O weatherizing O green design • cool roofing
- Which of the following is not a correct method for storing cylinders? a. Store out of direct sunlight and away from sources of heat and ignition; temperatures must not exceed 125 degrees Fahrenheit. b. Oxygen and fuel gas cylinders or other flammable materials must be stored together for easy access. c. Use appropriate material, such as chain, plastic coated wire cable, and commercial straps to secure cylinders. d. Gas cylinders cannot be stored in public hallways or other unprotected areas. Which of the following is true about soft-soldered joints? a. High power is required. b. Can join and repair dissimilar metals. c. High strength of joints. d. Joints can be used in high temperature applications. Which of the following is not a factor that influences the choice of edge preparation? a. Thickness b. Material c. Welding technique d. Welding process Why the maximum discharge rate should not be exceeded? a. Acetylene becomes unstable and could…I currently have a question about welding, hopefully, I chose the right subject in which welding falls under. Anyway, my question is what is the minimum gas flow rate for a nozzle size?2: answer five of the following: 0 [25 1-Why the second refrigerant is used? 2-How the solar energy is used to operate the absorption refrigeration systems? 3-What is the function of the compressor in the vapor compression refrigeration systems? And how can do this function in absorption refrigeration systems? 4- What are the available materials that can be used for manufacturing the ducts? 5- What is the function of expansion tank in piping systems? 6- What are the types of fans? And which of them used in A.C. applications.