Screw jacks must be installed into trenches according to the same horizontal and vertical spacing requirements as those for _____.

a. aluminum hydraulic shores
b. aluminum pneumatic shores
c. trench boxes
d. timber


d. timber

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A trapezoid that is 9.1 cm high has a lower base of 12.4 cm and an upper base of 8 cm. What is the trapezoid’s area, in square cm? Round the answer to the nearest tenth.

What will be an ideal response?

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What is the first step when servicing a vehicle refrigeration (A/C) system?

A) Vacuum the system B) Mode door check C) Refrigerant identification D) Weigh the refrigerant charge

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What is the major concern to the crane operator when a strong wind is coming from behind the crane toward the boom?

a. Side loading of the boom b. Forward stability c. Backward stability d. Increasing the combined CG

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When a firm develops an overall strategy for all the various businesses in which it competes,

it has developed a corporate-level strategy.

Indicate whether the statement is true or false.

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