¿Por dónde suele entrar una tubería principal de agua fría en un tanque de agua caliente?
a. Por el fondo
b. Por la parte superior
c. Por el costado
d. En el drenaje
a. Por el fondo
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The double acting push button has two terminal screws.
Answer the following statement true (T) or false (F)
A(n) ____ circuit is required to allow the current to flow whenever electrical energy is needed by a load.
a. open b. short c. closed d. resistant
SERCOS is ________
A) A low-cost communications single cable network with input and output devices with an embedded microprocessor for network communications B) A digital motion control network that interfaces the motion control module in the PLC with the servo motor drive through a fiber optic cable C) An open network standard that uses the producer/consumer network model to efficiently exchange time-critical application information in control systems D) An open industrial networking standard that takes advantage of commercial off-the-shelf Ethernet hardware
Which type of rigid couplings are designed for heavy-duty applications and high torques and speeds?
What will be an ideal response?