Engineering, 01.12.2020 03:50 robert7248
a lever allows the user to lift a large load over a small distance at one end by applying small force over a greater distance from the other end
Answers: 2
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
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 18:20
Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false
Answers: 2
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
a lever allows the user to lift a large load over a small distance at one end by applying small forc...
Social Studies, 05.10.2019 17:30
English, 05.10.2019 17:30
Mathematics, 05.10.2019 17:30
Social Studies, 05.10.2019 17:30
Mathematics, 05.10.2019 17:30
Mathematics, 05.10.2019 17:30
Mathematics, 05.10.2019 17:30
English, 05.10.2019 17:30