List the five types into which geometric tolerancing symbols are divided.
What will be an ideal response?
datum, geometric characteristic, material condition (modifying), feature control frame and supplementary.
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For ease of removal when performing maintenance, sewage pumps should be connected to inlet and outlet piping with flanges or _____.
a. unions b. flexible couplings c. tees d. quick disconnects
When using a recovery machine manufactured after November 15, 1993, the recovery level for Type II systems containing over 200 lb of R-12 refrigerant is:
A) 0 psig. B) 4 in Hg vacuum. C) 10 in Hg vacuum. D) 15 in Hg vacuum.
Automatic parking brake releases ________
A) Use an electric solenoid B) Use a vacuum servo C) Either A or B D) Neither A nor B
Workers in the basket of an aerial lift should always stand firmly and squarely on the floor of the basket
Indicate whether the statement is true or false