subject
Engineering, 14.09.2019 01:30 nosleepbrooklyn2006

One homeowner uses electricity to heat a home (with 100% efficiency) at an annual cost of $2600. a second homeowner uses a heat pump with a coefficient of performance of 7 to heat an identical home. what is the second homeowner's annual heating cost?

ansver
Answers: 3

Another question on Engineering

question
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
question
Engineering, 04.07.2019 18:10
Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
Answers: 3
question
Engineering, 04.07.2019 18:10
Journeyman training is usually related (clo2) a)-to specific tasks b)-to cost analysis of maintenance task c)-to control process to ensure quality d)-to installation of machinery
Answers: 2
question
Engineering, 04.07.2019 18:10
What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information
Answers: 3
You know the right answer?
One homeowner uses electricity to heat a home (with 100% efficiency) at an annual cost of $2600. a s...
Questions
question
History, 19.04.2021 21:10
question
Mathematics, 19.04.2021 21:10
question
Mathematics, 19.04.2021 21:10
question
Chemistry, 19.04.2021 21:10
question
Mathematics, 19.04.2021 21:10
Questions on the website: 13722363