Real asvab Test!!! Part 5
This deck is a material—usually metal—installed around a chimney (and other roof penetrations) to prevent water from leaking into the roof and home.
what is placed around a chimney to prevent leaks?
flashing
Key Terms
what is placed around a chimney to prevent leaks?
flashing
this type of pattern on metal is made by a process called
knurling
Self-tapping screws are primarily used when fastening objects to..?
sheet metal
Anchor bolts are used to hold the?
Rebar to the concrete
which of these does NOT make wood chips when it is used?
drill press
to properly turn wood stock, one should use a
lathe
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| Term | Definition |
|---|---|
what is placed around a chimney to prevent leaks? | flashing |
this type of pattern on metal is made by a process called | knurling |
Self-tapping screws are primarily used when fastening objects to..? | sheet metal |
Anchor bolts are used to hold the? | Rebar to the concrete |
which of these does NOT make wood chips when it is used? | drill press |
to properly turn wood stock, one should use a | lathe |
the best saw for accurately cutting 3 inches off the length of a 2 x 8 x 18-inch piece of lumber is a | radial arm sawt |
Gear A is the driving gear. If all the teeth are shoot off of Gear B, which gears will turn? | gears A and C |
a series of 4 gears (W,X,Y,Z) is driven by pulley V and a belt. if V turns in the direction shown, which gears will rotate clockwise? | Y and X |
a box sits on a smooth table. 3 strings are attached to the box, each having a weight of 10 Ibs. attached to the other end. the box will move in direction | D |
4 weights are tied together and hung from the ceiling. what will be the tension in the cord at the point labeled X? | 60 pounds |
the illustration shows a water tank that is made of wood planks and reinforced metal hoops. why are the hoops closer together near the bottom of the tank? | the water pressure pushing against the sides of the tank is greater near the bottom |
Spaces are placed between slabs of concrete in city sidewalks to? | allow for expansion and contraction |
is it true that frictional forces... | only operate in vertical directions |
This drive pulley always turn | Faster than pulley A or C but not pulley B |
a belt passes over a drum and its ends are connected to springs. if the drum rotates in the direction shown and there is friction between the drum and the belt, then | spring 1 will get shorter, and spring 2 longer |
a spring will compress 1 inch for every 50 pounds of force that is applied to it. how much force is needed to compress the same spring 10 inches? | 500 Ibs |
As part A moves to the left, gear C will turn | C. first in direction 1 and then in direction 2 |
a spring is compressed against a wall by a wooden block that has a force applied to it. if the force is removed from the block, | the block of wood will move to the right |
the illustration shows an example of... | an inclined plane |
what would you tell the person who is trying to loosen the rusty nut with the wrench? | move your hand farther from the nut |