Discuss precautions for entering a manure pit

What will be an ideal response?


ANS: (1) Monitor the oxygen level while the worker is in the pit; (2) make sure the pit is well ventilated; (3)
use safety lines; (4) have a person available outside the pit with self-contained breathing equipment
and a safety line for rescue purposes

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In the accompanying figure, what happens when the motor turns off?

What will be an ideal response?

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One of the three factors that will cause a three-phase motor’s magnetic field to rotate is that the _____.

a. voltages of a three-phase electrical system are 180° out of phase with each other b. stator windings around the inside of the motor are arranged in a specific manner to induce rotation c. stators have dual-voltage d. three voltages maintain constant polarity

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An advantage of the adjustable wrench is that one tool can be used for many sizes. What is one of its disadvantages?

A) It is bulkier than an end wrench and will not fit in some places B) If it is adjusted too loosely, it will slip and round off the nut or bolt head. This is also hard on the users knuckles C) A and B above D) There are no disadvantages

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The most common and modern way of storing an estimating database is the VIN.

Answer the following statement true (T) or false (F)

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