Engineering, 16.06.2021 21:00 smiley29162
Match the goal to the program or publication.
1. to improve the energy efficiency of all commercial and industrial buildings by 20% by the year 2020
2. to reduce water use of appliances by 20%
3. to devise a set of guidelines for choosing green building materials
WaterSense program
Federal Green Construction Guide for Specifiers
Better Buildings Initiative
Answers: 2
Engineering, 04.07.2019 18:20
Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 °c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
Answers: 3
Engineering, 04.07.2019 19:10
For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.
Answers: 2
Engineering, 05.07.2019 23:20
Which one of the following faults cause the coffee in a brewer to keep boiling after the brewing cycle is finished? a. an open circuit in the heating element b. a short circuit at the terminals c. welded contacts on the thermostat d. a leak around the gasket
Answers: 3
Engineering, 06.07.2019 03:20
What is the maximum height from which a mass of 30 kg can fall on to a flange on the lower end of a vertical rod of length 1.0 m and diameter 20 mm, the upper end being rigidly fixed, if the stress in the rod is not to exceed 80 mpa? the tensile modulus of the rod is 200 gpa.
Answers: 3
Match the goal to the program or publication.
1. to improve the energy efficiency of all commercial...
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