1
Q
BACKHOE HAS 4 MAIN PARTS
A
BOOM
DIPPER
BUCKET
SWING MECHANISM
2
Q
DIGGING CYCLE
A
LOAD LIFT SWING EMPTY RETURN
3
Q
POWER OF A RAM
A
DETERMINED BY THE AREA OF THE PISTON AND THE PRESSURE OF THE OIL AGAINST THE PISTON
4
Q
DIGGING TRENCH’S
A
FROM LOW END TO HIGH END WHERE POSSIBLE
5
Q
SAFETY
A
THE RESPONSIBILITY FOR MAINTAINING A SAFE WORK SITE IS SHARED BY THE WHOLE CREW.
6
Q
OPERATOR
A
IS ONE OF YOUR MOST IMPORTANT CREW MEMBERS
7
Q
CROSS LINES IN EXCAVATION
A
SUPPORT WITH SLING WHEN ABLE
8
Q
TRENCHING AND SHORING
A
WHEN DEPTH IS 5’ OR MORE
PIPE AND EXCAVATION CONTRACTING
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Decks in class (7)
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