Unit 4
In Figure 4-9, the normally closed auxiliary contacts M2 are connected to points
1-4
In Figure 4-9, the normally open auxiliary contacts M1 are connected to points
2-3
Switching devices such as float switches, limit switches, or relays always come with only one set of contacts.
False
In Figure 4-9, the control circuit is connected to
L1 and L2
In Figure 4-9, the auxiliary contacts are marked
MI and M2
In some cases, a general-use snap switch can be used as a disconnecting means for a motor rated 2 hp or less.
True
Automatic controls that can be used in a simple motor control arrangement include
all of these
In Figure 4-9, when the start pushbutton is pressed, the
all of these
In Figure 4-9, which of the following statement(s) is(are) true?
all of these
If a toggle switch for a motor is closed and the power goes out, the
motor will start when the power comes back on
In Figure 4-9, the coil is marked with
the letter M
In Figure 4-9, the letter in the middle of the pilot light symbol represents
the terminal number to which the pilot light is connected
In Figure 4-9, there is(are) _____ momentary- contact pushbutton(s).
two