The purpose of contactor 2M shown in Figure 3 is to _____.
a. short motor leads T4, T5, and T6 during starting to connect motor windings in a wye
configuration
b. energize motor leads T1, T2, and T3 for both wye and delta connections
c. energize motor leads T4, T5, and T6 during running to connect the motor windings in a
delta configuration
d. connect resistors in series with the motor windings during the transition from start to run
c. energize motor leads T4, T5, and T6 during running to connect the motor windings in a
delta configuration
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a. The employee b. The company c. The crew leader d. The tool manufacturer
A high-limit control on a hot water boiler is needed to ____.
A. regulate the amount of water to each section of baseboard B. regulate the water in the supply line to the boiler C. balance the water flow rate in the piping system D. protect the boiler against excessive water temperatures
____________________ connect the top to the bottom trace of a printed circuit board.
Fill in the blank(s) with the appropriate word(s).
Which would not be a general role of minerals in body function?
A. serves a structural role B. provides energy C. involved in certain body processes (e.g., chemical reactions) D. serves as integral parts of key body substances