Engineering, 22.08.2019 04:30 lacourboud20005
Avehicle of 1200kg is moving at a speed of 40km/h on an incline of 1 in 50. the total constant rolling and wind resistance is 600n. the efficiency of the drive from the engine through the gearbox to the wheels is 80% and the gear ratio causes a final engine to wheel velocity ratio of 4: 1. the effective wheel diameter is 500mm. calculate the engine power to maintain this speed.
Answers: 1
Engineering, 04.07.2019 18:10
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
Engineering, 04.07.2019 18:10
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
Engineering, 04.07.2019 18:10
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
Answers: 1
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Avehicle of 1200kg is moving at a speed of 40km/h on an incline of 1 in 50. the total constant rolli...
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