Según las normas, todos los brazos en plumas convencionales deben tener un tope mecánico que evite su movimiento si el ángulo del brazo en relación con la línea recta del brazo y la pluma es superior a
a. 5 grados
b. 7 grados
c. 10 grados
d. 15 grados
a. 5 grados
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Consider the heat engine in the diagram shown. If the engine is a Carnot engine, TL of the low temperature reservoir is nearest:
A) 30ºC
B) 16ºC
C) 8ºC
D) ?10ºC
A small-range cellular repeater system intended for indoor use, to allow for an extended use of cell phones is called _________.
A. Pico cell B. Cell tower C. Transmitting station D. Wideband
Two junction boxes are each located on different walls, 12 inches from the same corner. Given a 90° bend with a take-up of 6 inches and a gain of 2-1/4 inches, what is the developed length of the conduit between them?
a. 8-1/4 inches b. 10-3/4 inches c. 18-7/8 inches d. 21-3/4 inches
Imagine that as an engineering intern you have been assigned the task of selecting a motor for a pump. After reviewing motor catalogs you narrow your choice to two motors that are rated at 1.5 kW. Additional information collected is shown in an accompanying table. The pump is expected to run 4200 hours every year. After checking with your electric utility company, you determine the average cost of electricity is about 10 cents per kWh. Based on the information given here, which one of the motors will you recommend to be purchased? Assume i = 8%.
