Engineering, 05.03.2021 06:30 HOPING4632
a multiple unit electric train has 800 tonne mass. The resistance to motion is 100N per tonne of the train mass. If the electric motors can provide 200 kN tractive force, how long does it take to accelerate the train to a speed of 90km h from rest.
Answers: 3
Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
Answers: 2
Engineering, 04.07.2019 18:20
Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above
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
Engineering, 04.07.2019 19:10
What is a monomer? how do they form a ploymer from the view point of chemical bonding?
Answers: 1
a multiple unit electric train has 800 tonne mass. The resistance to motion is 100N per tonne of the...
Mathematics, 26.01.2021 23:50
History, 26.01.2021 23:50
History, 26.01.2021 23:50
French, 26.01.2021 23:50
History, 26.01.2021 23:50
Mathematics, 26.01.2021 23:50
Mathematics, 26.01.2021 23:50
Mathematics, 26.01.2021 23:50
History, 26.01.2021 23:50
Mathematics, 26.01.2021 23:50
English, 26.01.2021 23:50