QUESTION IMAGE
Question
when an object is plumb, it means that it is ______.
a. perfectly vertical
b. parallel
c. side-by-side
d. perfectly horizontal
to check level conditions over a significant distance, such as a long drainage slope, the best level to use is a ______.
a. torpedo level
b. laser level
c. digital level
d. spirit level
some chalk lines are also designed to serve as a ______.
a. plumb bob
b. measuring tape
c. level
d. speed square
which of the following saws would likely have the fewest teeth per inch, resulting in the largest and most aggressive teeth?
a. a hacksaw
b. a coping saw
c. a ripsaw
d. a crosscut saw
- the best saw for cutting miter joints is the ______.
a. keyhole saw
b. backsaw
c. coping saw
d. hacksaw
when sawing lumber, begin the cut so that the kerf will be ______.
a. on the measured side of the marked line
b. on the scrap side of the marked line
c. to the left of your dominant hand
d. to the right of your dominant hand
because of the shape and size of its jaws, which clamp can spread clamping pressure over a wider area than the others?
a. a c-clamp
b. a bar clamp
c. a hand-screw clamp
d. a spring clamp
Question 1 (When an object is plumb...):
"Plumb" en construcción se refiere a que un objeto es perfectamente vertical (alineado con la gravedad). Las opciones b (parallel), c (side - by - side) y d (perfectly horizontal) no corresponden: horizontal es "level", no "plumb".
Para distancias significativas (como una larga pendiente de drenaje), un nivel láser (laser level) es el mejor porque puede cubrir distancias mayores con precisión. Un torpedo level es para cortas distancias, un digital level es más para mediciones precisas pero no tan eficiente para largas distancias como el láser, y un spirit level (nivel de burbuja) también es para distancias cortas.
Algunas líneas de tiza (chalk lines) también están diseñadas para servir como nivel (level). Un plumb bob es para vertical, una measuring tape es para medir longitud, y un speed square es para marcar ángulos, no es función principal de una chalk line.
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a. perfectly vertical