En una lista de barras típica, todas las barras N.o 3, todos los estribos y amarres, y todas las barras N.o 4 a N.o 8 que se doblan en más de seis puntos en un plano se clasifi- can en la categoría de barra de _____.
a. doblez leve
b. doblez pronunciado
c. doblez especial
d. doblez radial
Answer: A
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Assume you were asked to prepare a table of compound interest factor values (like those in the back of this book) used in calculating the present worth of a geometric gradient series. Determine the two values for n = 1 and 2 for an interest rate of 10% per year and a rate of change g of 5% per year.
What will be an ideal response?
The charging scheme used in Figure P2.11 is an example of a constant-current charge cycle. The charger voltage is controlled such that the current into the battery is held constant at 40 mA, as shown in Figure P2.11. The battery is charged for 6 h. Find: a. The total charge delivered to the battery. b. The energy transferred to the battery during the charging cycle.
Hint: Recall that the energy, w, is the integral of power, or P = dw/dt.
What will be an ideal response?
Complete the following calculations and round to the nearest thousandth as necessary: (210.34 + 12.11) x 4.22 =
What will be an ideal response?
A main source of heat used to warm the passenger compartment is ________
A) Humidity B) Sunlight C) The vehicle engine D) Ambient air