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natka813 [3]
3 years ago
5

Steam at 6 MPa and 5008C enters a two-stage adiabatic turbine at a rate of 15 kg/s. 10 percent of the steam is extracted at the

end of the first stage at a pressure of 1.2 MPa for other use. The remainder of the steam is further expanded in the second stage and leaves the turbine at 20 kPa. Determine the power output of the turbine, assuming:
(a) the process is reversible and (b) the turbine has an isentropic efficiency of 88 percent.
Engineering
1 answer:
loris [4]3 years ago
4 0

Answer:

Bubblebutt

Explanation:

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A 250-pound person would use a Type 1 ladder even if he were carrying a load with him. true or false
serg [7]

Answer:

The answer is <em>False</em>.

Explanation:

Type 1 ladders have a duty rating of 250-pounds. The fact that the person is carrying a load means that they are exceeding 250 pounds.

Type 1A would be best.

In other words, it's better to be safe than sorry.

<em>Source: Ladder Safety PDF </em>

<em />

-Lexi

8 0
3 years ago
10 10 10 10 10 10 10 10 10 10
s2008m [1.1K]

Answer:

10

Explanation:

5 0
3 years ago
Read 2 more answers
Based on the hardness values determined in Part 1, what is the tensile strength (in MPa) for each of the alloys?
tigry1 [53]

Answer:

a. 115

b. 135

c. 220

d. 185

Explanation:

Spheriodite is microscopic constituents in some steels which is composed of spherically shaped cementide particle. It is most ductile and softest type of steel. Pearlite is two phased lamellar compose of alternating layer of ferrite and cementite. It is hard and strong but not tough. It is applied on cutting tools like chopper, blades and knives.

7 0
3 years ago
Energy is generated uniformly in a 6 cm thick wall. The steady-state temperature distribution
mezya [45]

Answer:

Heat generation per unit volume is 45 KW.

Explanation:

Given that

Thickness of wall = 6 cm

Temperature distribution

T(z)=145+3000z-1500z^2    -----1

K= 15 W/m.k

As we know that at steady state condition

\dfrac{d^2T}{dz^2}+\dfrac{q}{K}=0   -----2

Where q is the heat generation per unit volume.

So from equation 1

\dfrac{dT}{dz}=3000-3000z

\dfrac{d^2T}{dz^2}=-3000

Now from equation 2

\dfrac{d^2T}{dz^2}+\dfrac{q}{K}=0  

-3000+\dfrac{q}{15}=0  

So q= 45 KW

So heat generation per unit volume is 45 KW.

6 0
3 years ago
Limestone scrubbing is used to remove SO2 in a flue gas desulfurization (FGD) system. Relevant reactions are given below. A lime
lord [1]

Answer:

hello some data related to your question is missing attached below is the missing data

answer : 63700 Ib/hr

Explanation:

Given data :

Limestone mix : consists of  94% CaCO3  and 6% inert material

Actual feed rate = 36,000 Ib/hr

SO2 in flue gas = 20,314 Ib/hr

FGD efficiency = 97%

resulting sludge contains 58% solids

<u>Calculate the Total sludge production rate </u>

First : determine  SO2 removed in sludge

 = 0.97 * 20314

 = 19704.58 Ib/hr

next : moles of SO2 removed

= 19704.58 / 64 Ib/ Ib mol

= 307.88 Ib mol / hr

also  moles of CaSO3 produced = 307.88 Ib mol / hr

mass of CaSO3 = 307.88 * 120 = 36946.09 Ib/hr

Therefore Total sludge production rate

= 36946.09 / 0.58

= 63700.15  Ib/hr

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7 0
3 years ago
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