Part of the AQA P1.3 syllabus. A simple worksheet for pupils to do in class or at home. Also links in with other areas of P1.3 other than energy efficiency...

The amount of work obtained from a machine is always less than the amount of work put into it. This is because some work is lost due to friction. The efficiency of a machine is determined using the following formula: (work output/work input) * 100. Efficiency is always a percentage and can never be 100% due to friction. However, if we calculate the total average of all tickets solved by both agents, we'll get 5.42 hours. As you see, we got a discrepancy of 0.08 hours in this example, but in real life when we compute the total average for tens of assignees and hundreds of tickets the discrepancy will be much more substantial. 1. Calculate the work done by a 47 N force pushing a pencil 0.26 m. 2. Calculate the work done by a 47 N force pushing a 0.025 kg pencil 0.25 m against a force of 23 N. 3. Calculate the work done by a 2.4 N force pushing a 400. g sandwich across a table 0.75 m wide. 4. EFF. The NBA publishes online all of the basic statistics recorded officially by the league. Individual player efficiency is expressed there by a stat referred to as 'efficiency' and abbreviated EFF. It is derived by a simple formula: (PTS + REB + AST + STL + BLK − Missed FG − Missed FT - TO) / GP. 2020 Tax Rate Calculation Worksheet NORTHWEST ISD Voter-Approval Tax Rate The voter-approval tax rate is the highest tax rate that a taxing unit may adopt without holding an election to seek voter approval of the rate. Most school districts calculate a voter-approval tax rate that is split into three separate rates.18 1. Use this worksheet to check understanding or to reinforce teaching and learning of energy in the context of a home, including understanding energy bills.Tags in this resource: hairdryer.pngkettle-3.pngtelevision-1.pngks3-desk-lamp.pngtrolley-jack-1.pngcar-6.pngwatch-1.pngks3-microwave.pngmobile-phone-1.pngscrewdriver.pngwind-turbine.pngTrolley-Jack-2.pngTrolley-Jack-Black-and-White-2.pngWatch ...

LESSON 7.- SAVING ENERGY IN THE HOME. LESSON 7.- SAVING ENERGY IN THE HOME Activity 1.- Calculating the energy consumption in our homes 1.- This activity can be done as homework, because the students have to complete the grid with all the electrical appliances they have at home and calculate the total energy consumption in kW·h per DAY. home energy audit: energy efficiency worksheet Calculating Lifecycle Costs—How much will an appliance cost to buy and use over a lifetime? purchase price Printable worksheets and activities to teach students about the six types of simple machines: inclined plane, wedge, wheel and axle, screw, lever, and pulley. Simple Machines: Mini-Book FREE An 8-page mini book that teaches students about simple machines Simple Energy Formula: Motor Efficiency = Cost per KW X .746 (Power Factor) X Hours of operation X Brake horsepower *Note: No electric motor is 100% efficient, most will average 92-95% efficient. PSI VS. BHP (Rule of thumb): For every 1 PSIG pressure drop, BHP (Brake horsepower) goes down ½ %. Download Air Compressor Calculations Efficiency = Work Output / Work Input X 100 Efficiency = WO / WI X 100 Mechanical Efficiency Problems 1. What does friction do to the efficiency of a machine? 2. You use a pair of pliers to crack a pecan. It takes 1200 N of resistance force to crack the pecan, but you only exert 400 N of effort force with your hand on the pliers. What is the mechanical

Cost and Efficiency Practice Worksheet: 1. Compare the cost of using a television for 50 hours a month during peak hours to using it during off-peak hours. Assume the television uses 0.5 kW of energy. Hint: You will have to calculate its power use first, then the cost of usage. 2. First, the calculation: Heat Rate = Fuel Flow * Fuel Heating Value / Power Output The first question is: What are the engineering units on these values? Nov 18, 2018 · Single Family Dwelling Electrical Load Calculation Worksheet Also 50 New Residential Electrical Load Calculator Excel. The rate you use your household electricity is another factor to consider when trying to figure out how much electricity each room in your home is using.

will need time at the end to calculate scores. During testing: 1. Put the student at ease. Tell him or her that reading aloud is an important part of reading, and that you will be listening and taking notes as he or she reads a story for one minute. 2. Provide the student with a Student Copy of the Oral Reading Fluency passage (page 4). 1. The proposed unitary(s) must meet the minimum efficiency requirements listed on the Incentive worksheet. 2. Split systems must list the matching indoor evaporator coil/fan equipment with the outdoor equipment. 3. The Incentive offer is not valid unless signed and dated by the Utility Representative. The Customer accepts the