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Free_Kalibri [48]
3 years ago
10

Suppose that tank holds 1% liquid water by volume and 99% vapor water by volume at a temperature of 185oC. What is the quality?

Engineering
1 answer:
Vika [28.1K]3 years ago
4 0

Answer:

quantity = 0.645749

Explanation:

given data

holds liquid water = 1%

hold vapor water  = 99%

temperature =  185°C

solution

we know that at temperature 185°C

Specific Volume of Saturated Liquid water (vf) = 0.0011343 m³/kg

and Specific Volume of Saturated Vapor (vg) = 0.17390 m³/kg

so quality will be

quality = \frac{vapour*specific\ volume\ water}{water*specific\ volume\ vapour}    ................1

put here value we get

quality = \frac{99*0.0011343}{1*0.17390}

quantity = 0.645749

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A transmission line with an imperfect dielectric is connected to an ideal time-invariant voltage generator. The other end of the
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Answer and Explanation:

O decreases linearly with the distance from the generator

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Q4. (20 points) For a bronze alloy, the stress at which plastic deformation begins is 271 MPa and the modulus of elasticity is 1
babunello [35]

Answer:

a) P = 86720 N

b) L = 131.2983 mm

Explanation:

σ = 271 MPa = 271*10⁶ Pa

E = 119 GPa = 119*10⁹ Pa

A = 320 mm² = (320 mm²)(1 m² / 10⁶ mm²) = 3.2*10⁻⁴ m²

a) P = ?

We can apply the equation

σ = P / A     ⇒    P = σ*A = (271*10⁶ Pa)(3.2*10⁻⁴ m²) = 86720 N

b) L₀ = 131 mm = 0.131 m

We can get ΔL applying the following formula (Hooke's Law):

ΔL = (P*L₀) / (A*E)    ⇒  ΔL = (86720 N*0.131 m) / (3.2*10⁻⁴ m²*119*10⁹ Pa)

⇒  ΔL = 2.9832*10⁻⁴ m = 0.2983 mm

Finally we obtain

L = L₀ + ΔL = 131 mm + 0.2983 mm = 131.2983 mm

3 0
3 years ago
Ammonia is one of the chemical constituents of industrial waste that must be removed in a treatment plant before the waste can s
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Answer:

Following is attached the solution or the question given.

I hope it will help you a lot!

Explanation:

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Can i eat unhealthy while i’m drinking green tea for weight loss ?
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If the maximum allowable shear stress is 70 MPa, find the shaft diameter needed to transmit 40 kW when the shaft speed is 250 rp
victus00 [196]

Answer:

The diameter is 50mm

Explanation:

The answer is in two stages. At first the torque (or twisting moment) acting on the shaft and needed to transmit the power needs to be calculated. Then the diameter of the shaft can be obtained using another equation that involves the torque obtained above.

T=(P×60)/(2×pi×N)

T is the Torque

P is the the power to be transmitted by the shaft; 40kW or 40×10³W

pi=3.142

N is the speed of the shaft; 250rpm

T=(40×10³×60)/(2×3.142×250)

T=1527.689Nm

Diameter of a shaft can be obtained from the formula

T=(pi × SS ×d³)/16

Where

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Making d the subject of the formula

d= cubroot[(T×16)/(pi×SS)]

d=cubroot[(1527.689×16)/(3.142×70×10⁶)]

d=0.04808m or 48.1mm approx 50mm

7 0
3 years ago
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