wgat causes a fire sprinker system to be set off? is it smoke, heat, light, or...
Homework Answers
It is heat that causes a fire sprinkler system to be set off during fire incidents. Each system is designed with a pre determined activation temperature. Once the temperature reaches to that level, the sprinkler head opens up.
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wgat causes a fire sprinker system to be set off? is it smoke,
heat, light, or...
The mean cost to repair the smoke and fire damage that results from home fires of...
The mean cost to repair the smoke and fire damage that results from home fires of all causes is $11,389 (HomeAdvisor website, December 2014). How does the damage that results from home fires caused by careless use of tobacco compare? The DATAfile named TobaccoFires provides the cost to repair smoke and fire damage associated with a sample of 55 fires caused by careless use of tobacco products. Using past years' data, the population standard deviation can be assumed known with...
Americium is used in household smoke detectors as a source of ? particles. The device actually...
Americium is used in household smoke detectors as a source of ? particles. The device actually responds to the presence of ions from a fire, rather than responding to smoke. A schematic is shown in the image. (Figure 1) The entire setup is enclosed in the familiar plastic housing. The 241Am, which is an ?-emitter, is encased in an aluminum container with an opening that aims the ? particles through an air gap between electrically charged plates. The ? particles...
Consider the following set of requirements for an insulin pump system: a) If the morphine dose...
Consider the following set of requirements for an insulin pump system: a) If the morphine dose button is pressed then the morphine dose is administered. b) If the morphine dose is administered then the dose indicator light is off.
1.) A system absorbs 1.56E+2 kJ of heat and the surroundings do 1.107E+2 kJ of work...
1.) A system absorbs 1.56E+2 kJ of heat and the surroundings do 1.107E+2 kJ of work on the system. What is the change in internal energy (in kJ) (ΔU) of the system? 2.) A sample of gas in a cylinder is provided with 6.221E+2 kJ of heat. This causes a piston to then compresses the gas by doing 4.343E+2 kJ of work to the gas. What is the change in internal energy of the gas during this compression? 3.)A gas...
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00...
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00 L to 6.00 L in volume at 1.50 atm pressure. (Remember that 101.3 J = 1 L • atm)
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00...
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00 L to 6.00 L in volume at 1.50 atm pressure. (Remember that 101.3 J = 1 L • atm)
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00...
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00 L to 6.00 L in volume at 1.50 atm pressure. (Remember that 101.3 J = 1 L • atm)
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00...
Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00 L to 6.00 L in volume at 1.50 atm pressure. (Remember that 101.3 J = 1 L • atm)
Suppose you found yourself living in the habitable zone of planetary system with a dimmer or bringter star than our Sun. What else would be different ? Your location? Available light and heat ? Deadly...
Suppose you found yourself living in the habitable zone of planetary system with a dimmer or bringter star than our Sun. What else would be different ? Your location? Available light and heat ? Deadly radiation? What are some of the concerns we have regarding our own Sun?
15. When gasoline burns in a car engine, the heat released causes the products CO2 and...
15. When gasoline burns in a car engine, the heat released causes the products CO2 and H20 to expand, which pushes the pistons outward. Excess heat is removed by the car's radiator. If the expanding gases do 478.9 J of work on the pistons and the system releases 846.8 J to the surroundings as heat, calculate the change in energy (AE) in J, KJ, and kcal. (4.0 pts) Energy change Your solutions (AE-+ w) (1 cal = 4.184 J, 1...
15. When gasoline burns in a car engine, the heat released causes the products CO2 and H20 to expand, which pushes the pistons outward. Excess heat is removed by the car's radiator. If the expanding gases do 478.9 J of work on the pistons and the system releases 846.8 J to the surroundings as heat, calculate the change in energy (AE) in J, KJ, and kcal. (4.0 pts) Energy change Your solutions (AE-+ w) (1 cal = 4.184 J, 1...
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