Data can be moved __________ in a shift register.
A. to the left
B. to the right
C. in either direction
Answer: C
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La finalidad del contactor 2M en la Figura 1 es:
a. poner en corto los cables conductores T4, T5 y T6 durante el arranque para conectar los bobinados del motor en una configuración Y.
b. energizar los cables conductores T1, T2 y T3 tanto para la conexión Y como para la delta.
c. energizar los cables conductores T4, T5 y T6 durante el funcionamiento para conectar los bobinados del motor en una configuración delta.
d. conectar resistores en serie con los bobinados del motor durante la transición de arranque a funcionamiento.
Which of the following is recommended to be applied to the exterior of a set of U-joint bearing caps before installation into the yokes?
A. anti-seize compound B. engine lube C. chassis grease D. silicone RTV compound
What is the function of limit switches?
What will be an ideal response?
An automotive battery is rated at 120 A-h. This means that under certain test conditions it can output 1 A at 12 V for 120 h (under other test conditions, the battery may have other ratings).
a. How much total energy is stored in the battery? b. If the headlights are left on overnight (8 h), how much energy will still be stored in the battery in the morning? (Assume a 150-W total power rating for both headlights together.) Known quantities: Rated discharge current of the battery; rated voltage of the battery; rated discharge time of the battery. Find: a) Energy stored in the battery when fully charged b) Energy stored in the battery after discharging