Engineering, 18.10.2019 17:30 jeremiahjohnsonclapg
Create the conceptual design and database schema for a library system. (this exercise is only addressing a small part of a real library system). patrons (customers) borrow books from the library. all books have an isbn number that identifies the book unique. for each book, the system must store isbn, author name, current status (on-loan, or available) library must keep patron identification as well as contact information. it is safe to assume that the library assigns a library card with an identification number. the library also keeps track of the number of books on loan to a customer, as well as the outstanding fines (dollars and cents) due from the customer.
Answers: 2
Engineering, 04.07.2019 18:10
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
Answers: 2
Engineering, 04.07.2019 18:10
The higher the astm grain size number, the finer the gran is. a)-true b)-false
Answers: 2
Engineering, 04.07.2019 18:10
Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k
Answers: 2
Engineering, 04.07.2019 18:10
Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer
Answers: 2
Create the conceptual design and database schema for a library system. (this exercise is only addres...
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