The three things necessary for combustion are:
A) Fuel, heat, and carbon dioxide. B) Fuel, oxygen, and heat.
C) Gas, air, and a burner. D) Air, gas, and a combustion chamber.
B
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What is plastigage used for measuring?
A. crankshaft endplay B. big end side play C. bearing clearance D. flywheel runout
Un circuito de control de baja tensión:
a. funciona desde el circuito de carga. b. está separado del circuito de carga. c. nunca se conecta a un transformador de control. d. lleva la plena carga de la corriente de la línea.
What precautions should you take when jump starting a vehicle?
What will be an ideal response?
A house has outside walls made of brick with a thermal conductivity of 1.20 W/m-K. The wall thickness is 0.20 m.
(a) If the inside temperature of the wall is 20.0°C and the outside temperature of the wall is -10.0°C, determine the heat transfer rate per unit area from conduction (the conductive heat flux) for the wall. (b) For an inside wall temperature of 20.0oC, plot the conductive heat flux through the wall for outside wall temperatures ranging from 30.0°C to -15.0°C. (c) For an outside wall temperature of - 10.0°C, plot the conductive heat flux for inside wall temperatures ranging from 15.0°C to 25.0°C. Discuss how this relates to gaining cost savings by heating a home to a lower temperature in the winter. Given: k= 1.20 W/m-K; ?x = 0.20 m