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# Tutor profile: Shivani B.

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Shivani B.
Civil Engineer with Tutoring as my hobby
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## Questions

### Subject:Mechanical Engineering

TutorMe
Question:

What are a few conditions that may keep a turbine from growing full power?

Inactive
Shivani B.

The machine is over-burden. The initial steam pressure and temperature are not up to outline conditions. The fumes weight is too high. The senator is set too low. The steam strainer is obstructed. Turbine nozzles are stopped up with deposits. Inside wear on nozzles and blades.

### Subject:Calculus

TutorMe
Question:

Find the range of f(x) = arctan(x) + arcsin(x) + arccos(x)

Inactive
Shivani B.

Generally, the answer we get is (o, π), which is wrong Wrong Solution: arcsin(x) + arccos(x) = π/2 this gives f(x) = arctan(x) + π/2 and as arctan(x) varies from (-π/2, π/2), the range of f(x) will be (0, π) Correct solution: arcsin(x) + arccos(x) = π/2, but this gives us a constraint that x belongs to [-1, 1] because domain of arcsin(x) & arccos(x) is restricted. Hence, f(x) = arctan(x) + π/2 but x belongs to [-1, 1]. arctan(x) belongs to [-π/4, π/4]. and correct range will be [π/4, 3π/4].

### Subject:Civil Engineering

TutorMe
Question:

What is the function of washers when using bolts?

Inactive
Shivani B.

The reason for introducing washers in a commonplace blasting framework is to appropriate the heaps under screw heads and nuts by giving a bigger range under push. Something else, the bearing anxiety of jolts may surpass the bearing quality of the associating materials and this prompts loss of preload of jolts and crawling of materials. On the other hand, flanged clasp as opposed to utilizing washers could be received to accomplish the same reason.

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