What is the most common cause of motor failure?
What will be an ideal response?
The most common cause of motor failure is excessive heating.
37- 10) According to Table 37-1, what is the upper and lower limit of a motor with the voltage of 460?
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A semicircular-sided tank is welded in the shop. The length of the tank’s bottom, shown in the figure, is 25”, and the radius is 8”. What is the area of the tank bottom, in square inches? Round the answer to the nearest whole number.
pi=3.14
Area of a Cylinder = 
Answer the following statement(s) true (T) or false (F)
1. The secondary is the winding that is connected to the power source and brings power to the transformer. 2. The transformer operates by a temperature gradient. 3. Control transformers are used to change the value of line voltage to the value needed for the control circuit. 4. Most industrial and commercial air conditioning systems operate on 240 or 480 volts. 5. An ohmmeter is generally used to test the windings of the transformer.
The two types of nuclei in pollen include ________ and ________.
Fill in the blank(s) with the appropriate word(s).
________________ is a boundary that takes into consideration the combined effect of feature size at MMC and geometric tolerance.
Fill in the blank(s) with the appropriate word(s).