Describe a roller bearing.
What will be an ideal response?
A roller bearing is a set of machined shafts of steel. The length and diameter of the shafts or rollers are determined by the size of the load that the bearing is expected to carry. The cage holds the rollers in a circle. The cage fits into a separate race.
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Convert AC power to DC power using _____.
a. diacs b. NPN transistors c. rectifier diodes d. triacs
After its first birthday, a young horse is called a ____________________
Fill in the blank(s) with correct word
Why do air handling units require field adjustment during the commissioning phase?
A) To match the blower performance to the system requirements B) Manufacturing errors that affect blower performance are common C) Air handling units normally do not require field adjustment D) Because the performance requirements of the blower cannot be determined in advance
In a common fraction, the number above the fraction line is called the denominator.
Answer the following statement true (T) or false (F)