Engineering, 17.02.2020 21:56 preservations
Assume two entities ORDER and PRODUCT and the following business rules:An ORDER can contain one or more PRODUCTs. A PROUDCT can be in zero or moreORDERs. How would you convert this model into an ERMthat displays only 1:M relationships?
Answers: 2
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
Engineering, 04.07.2019 19:20
List 3 options on how to reduce knocking problens during engine process,
Answers: 2
Engineering, 06.07.2019 02:30
A12 mm diameter shaft runs in a plain cylindrical bush 30 mm long that is located in an 18 mm diameter hole in a housing. the shaft-inner bush fit is h8 f and the outer bush-housing fit is h7-p6. make a fully cimensioned sketch of the bush with tolerances. find the maximum and minimum clearance or interference for both fits on the inner and outer diameters of the bush
Answers: 3
Assume two entities ORDER and PRODUCT and the following business rules:An ORDER can contain one or m...
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