Engineering, 16.02.2021 01:20 edjiejwi
La máquina barredora era tirada por caballos y se empleaba en Londres a mediados
del siglo XIX para barrer las calles.
a) Cuando el carro se mueve hacia adelante, ¿cómo se mueven A, B, C? ¿Qué mecanismos son?
b) D es un tornillo sin fin y E es una cadena que permite regular la inclinación de los cepillos. ¿Cómo funciona
este sistema?
c) ¿La máquina puede barrer cuando está parada? ¿Y si circula marcha atrás?
Answers: 3
Engineering, 03.07.2019 15:10
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
Answers: 1
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
Engineering, 04.07.2019 18:10
The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length
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
La máquina barredora era tirada por caballos y se empleaba en Londres a mediados
del siglo XIX para...
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