Engineering, 21.05.2021 16:40 Destinationz
Sumon needs exactly 59 GB of mobile data. His mobile service operator offers various packages like 21 GB of internet for the price of 60 BDT, 34 GB of internet for the price of 150 BDT, 4 GB of internet for 15 BDT, 13 GB of internet for the price of 35 BDT and so on. The same offer can be bought twice, for example the 21 GB mobile net offer can be bought twice, giving him 42 GB of mobile data for 120 BDT. Identify which algorithm can help Sumon determine the minimum cost he needs in order to buy exactly 59 GB of mobile data. Justify your choice of the algorithm.
Answers: 3
Engineering, 04.07.2019 18:10, hadellolo8839
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
Answers: 3
Engineering, 04.07.2019 18:10, heidiburgos1own6c0
Fluids at rest possess no flow energy. a)- true b)- false
Answers: 3
Engineering, 04.07.2019 18:10, DestyHilBan1183
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
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
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