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Tanya [424]
4 years ago
6

What are the main branches of engineering

Engineering
1 answer:
vazorg [7]4 years ago
7 0

Answer:

the main branches of engineering (chemical,civil,electrical and mechanical)

Explanation:

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How many grams is one molecule of calcium oxide?
MakcuM [25]

Answer:

Molar mass -56.0774 g/mol

There is a way to calculate this

atomic number for calcium is 20

atomic number for oxygen is 8

The molar mass for calcium is 40

The molar mass for oxygen is 16

CALCIUM OXIDE

40. +. 16

=56g/mol

1 molecule = 1×56=56g/mol

2 molecules=2×56 =112g/mol

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2 years ago
A specimen has circular cross-sectional area with initial diameter d = 26 mm and a gauge length Lo = 200 mm. A force P = 127 kN
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In contrast to the leading-trailing drum brake system, the duo-servo drum brake system will:
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The name of a round stock welding position refers to the
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3 years ago
Read 2 more answers
A cylindrical rod of a metal alloy is stressed elastically in tension. The original diameter was 11 mm and a force of 55 kN was
andrey2020 [161]

Answer:

10.984mm

Explanation:

by elastic modulus

stress=modulus of elasticity*strain

stress=loading/area                          area" cross-section"

11mm=0.011m

area=π(d/2)^2=π(0.011/2)^2=9.503*10^-5 square meter

stress=55000/(9.503*10^-5)=578.745 MPa

convert MPa and GPa to pascal.

strain=stress/modulus=(578.745*10^6)/(125*10^9)=0.00463............axial strain

v=Poisson  ratio

lateral strain=(-v)*axial strain= -0.31*0.00463

lateral strain= -1.4353*10^-3=change in diameter/ original diameter

change in diameter=(-1.4353*10^-3)*0.011= -1.57883*10^-5 m

negative indicates decrease in diameter.

decrease in dia.=0.01578mm

new diameter=11-0.01578= 10.984mm

3 0
3 years ago
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