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Nadya [2.5K]
4 years ago
10

The Acme threading tool forms an inc luded angle of how many degrees? A. 30 B. 55 C. 29 D. 60

Engineering
1 answer:
Schach [20]4 years ago
4 0

Answer:

(C) 29°

Explanation:

ACME THREAD ANGLE : it is the angle measured between the thread axis and thread the thread flanks, with the help of thread angle we calculate the shape of screw thread it is the mean of v thread and square thread  the acme thread angle is denoted by β every thread has its own charactersistics which depends on the pitch and diameter of the thread

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Explain the difference, on the basis of the test results, between the ultimate strength and the "true" stress at fracture.
gayaneshka [121]

Answer / Explanation:

On the basis of the test result, Ultimate strength which is mostly known as the ultimate tensile strength is the strength attached to the ability or capacity of a structural element or material used in the test to withstand elongation forces or pull force applied to it.  

WHILE,

True stress at fracture can be classified as stress or load associated to the point where yielding or fracture occurred divided by the cross-sectional area at the yield point.

5 0
3 years ago
What type of bond guarantees that if a contractor goes bankrupt on a project the surety will pay the necessary amount to complet
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Answer: Payment bond.

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4 years ago
A developer has requested permission to build a large retail store at a location adjacent to the intersection of an undivided fo
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Answer:

Detailed solution is given below:

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3 years ago
How much power would you need to cool down a closed, 1 Liter container of water from 100°C to 20°C in 5 minutes? (a) 1.1W (b)1.1
qaws [65]

Answer:

The power required to cool the water is 1.11Kw.

Hence the correct option is (b).

Explanation:

Power needed to cool down is equal to heat extract from the water.

Given:

Volume of water is 1 liter.

Initial temperature is 100C.

Final temperature is 20C.

Time is 5 minutes.

Take density of water as 100 kg/m3.

Specific heat of water is 4.186 kj/kgK.

Calculation:

Step1

Mass of the water is calculated as follows:

\rho=\frac{m}{V}

1000=\frac{m}{(1l)(\frac{1m^{3}}{1000l})}

m=1kg

Step2

Amount of heat extraction is calculated as follows:

Q=mc\bigtriangleup T

Q=1(4.186kj/kgk)(\frac{1000 j/kgk}{1 kj/kgk})\times(100-20)

Q=334880 j.

Step3

Power to cool the water is calculated as follows:

P=\frac{Q}{t}

P=\frac{334880}{(5min)(\frac{60s}{1min})}

P=1116.26W

or

P=(1116.26W)(\frac{1Kw}{1000 W})

P=1.11 Kw.

Thus, the power required to cool the water is 1.11Kw.

Hence the correct option is (b).

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4 years ago
An example of rocket abuse​
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