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What furnace is 98 percent efficient?
Lennox top o the line furnace is 98.2 percent efficient
What does 35 percent efficient mean?
A system that is 35 percent efficient converts 35 percent of the input energy into useful work or output, while the remaining 65 percent is lost, often as waste heat or through other inefficiencies. For instance, in an engine, if it burns fuel to produce power, a 35 percent efficiency means that only 35 percent of the fuel's energy is effectively used for propulsion, with the rest wasted. This efficiency rating helps gauge performance and indicates potential areas for improvement.
Your exam is worth 70 percent you did an assessment worth the remander 30 percent and got 60 in it how much do you go into your exam with?
60% of 30 is 18 (0.6 x 30), so you go into the exam with 18 points. A perfect score on the exam would result in an overall grade of 83% (70 + 18).
What is a percent error calculation used to determine?
A percent error calculation is used to determine the accuracy of a measured or experimental value compared to a known or accepted value. It quantifies the difference between the two values as a percentage of the accepted value, allowing for a standardized assessment of error. This metric is particularly useful in scientific and engineering contexts to evaluate the reliability of measurements and results.
Why are appliances not 100 percent efficient?
Appliances are not 100 percent efficient due to several factors, including energy loss through heat, friction, and sound. In mechanical systems, moving parts create friction, which dissipates energy as heat. Electrical appliances also lose some energy in the form of heat during the conversion of electrical energy to other forms, such as light or motion. Additionally, imperfections in materials and design can contribute to energy loss, making complete efficiency unattainable.
What is the difference in quantative data and descriptive data?
There are two main methods of research. These are quantitative and qualitative methodologies. Quantitative methods are based on numbers. that is statistics, measurements, values and calculations. Qualitative observes behaviors, visual characteristics and behaviors of what is/are being investigated. For example the Doppler Shift has qualitative characteristics of color (blue versus red shift). Quantitative aspects of the Doppler Shift of space objects would be their velocity, age, and compositions by percent.
What furnace is 98 percent efficient?
Lennox top o the line furnace is 98.2 percent efficient
Is it better for a machine to be 25 percent efficient or 75 percent?
75 %
Explain why machines are not 100 percent efficient?
because they are not proper
When will frictionless engine be 100 percent efficient?
at 0'kelvin
Are turbines 100 percent efficient?
Basically, almost NO physical process is 100% efficient.
How can a furnace be 500 percent efficient?
furnace highest rating is 97 % efficient for a residential model. This is known as a condensing furnace.
Why are no machines 100 percent efficient?
Some energy is lost to friction.
What percent of people worldwide use fuel-efficient cars?
65%
Is a nuclear generator 100 percent efficient?
No, nuclear generators are not 100 percent efficient. They typically have an efficiency rate of around 30-40%, which means that 30-40% of the energy from the nuclear reactions is converted into electricity, while the rest is lost as heat.
How efficient are thermal power stations?
Coal fired plants about 40 percent, nuclear reactors (PWR) about 33 percent
Why aren't machines 100 percent efficient?
becaus ethey have friction
