____________________ allow the motor to soft start and to coast down without abruptly shutting the motor off.
Fill in the blank(s) with the appropriate word(s).
Variable frequency drives (VFDs)
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Answer the following statement(s) true (T) or false (F)
1. Engines have a long history that dates back hundreds of years, and the power equipment engine is a major factor in that history. 2. Internal combustion engines have been in existence for over 400 years and are a direct descendent of the external combustion, steam-powered engine. 3. A unit of electrical power, the watt (W), named after James Watt, is equal to 1/746 of a horsepower. 4. Today’s power equipment engines use the same basic principles established by the pioneers of the internal combustion engine. 5. EETC certification lasts for six years, at which time you must be recertified to maintain your status.
Which of the following silicate clays would be least apt to be formed from the mere alteration of primary minerals?
A) vermiculite B) chlorite C) iron or aluminum oxides D) smectite E) fine-grained micas
What advantages and disadvantages does chemical pasteurization offer compared to steam?
What will be an ideal response?
The FMCSA did not propose nor has it adopted any changes to the provisions that cover the use of _____.
Fill in the blank(s) with the appropriate word(s).