Slate roofing is fastened to the sheathing with _____
A) metal stripping laid across the top of each course
B) roofing cement applied to each tile
C) two nails driven through predrilled holes in each tile
D) four nails driven through predrilled holes in each tile
Answer: C
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When used outdoors, photosensors should be aimed due _____.
a. north b. south c. east d. west
Revcon Products has two subcontractor bids to automate a composite winding process. Process A will have fixed costs of $42,000 per year and will require two workers at $80 per day each. Together, these workers can generate 100 units. Process B will have fixed costs of $56,000 per year, but with this process, three workers will generate 200 units of product. If x is the number of units, the variable cost (VC) per year for B is best represented as: (choose one)
(a) VC per Year = [2(80)/100]x (b) VC per Year = [3(80)/200]x (c) VC per Year = [3(80)/200]x + 56,000 (d ) VC per Year = [2(80)/100]x + 42,000
Most likely gripper to use to unload hot metal cast parts from a dia cast machine
A) Vacuum grippers B) Pin and mandrel grippers C) Parallel and angular grippres D) Finger and bellows grippers E) All of the above
The total parallel resistance of N equal resistors each with value R is N × R
Indicate whether the statement is true or false