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krek1111 [17]
3 years ago
13

Technician A says that for best results, loosen the fastener immediately after spraying it with penetrating oil. Technician B sa

ys that rusted fasteners may be loosened by tapping with a hammer. Which technician is correct?
a. technician A only
b. technician B only
c. both technicians A and B
d. neither technician A nor B
Physics
1 answer:
yarga [219]3 years ago
3 0

Answer:

C. Both Technicians A and B

Explanation:

To loosen a fastener immediately especially if it is a rusted one we can follow these steps.

1. Tap the sides of the fastener so that the rust particle fall off.

2. These rust particles can be brushed off.

3. Spray the fastener with the penetrating oil.

4. Again tap the sides with a hammer to let the oil penetrate the inter-locked parts (threads in case of a nut and bolt).

5. Loosen the fastener after oil has penetrated.

Note: It should be kept in consideration that spraying alone won't do the job, tapping is essential to let the oil penetrate deep in to free the rusted parts.

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A drunken sailor stumbles 550 meters north, 500 meters northeast, then 450 meters northwest. What is the total displacement and
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