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s344n2d4d5 [400]
3 years ago
13

The temperature of an electric welding arc is about?

Engineering
1 answer:
N76 [4]3 years ago
7 0

Answer:

The heat of the arc melts the surface of the base metal and the end of the electrode. The electric arc has a temperature that ranges from 3,000 to 20,000 °C

Explanation:

Welding fumes are complex mixtures of particles and ionized gases.

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Ann’s Retail, a women’s clothing store, hires female attendants to assist clients in the store’s dressing rooms. Larry, a male,
mojhsa [17]

Answer:

A bona fide occupational qualification defense

Explanation:

Since the store is for women clothing, the retail may prefer to employ only female to assist the customers.  Under a bona fide occupational qualification defense, an employer is allowed to discriminate if a characteristic is a necessity for the performance of the job and for the business. Therefore, the store has a bona fide occupational qualification defense.

3 0
3 years ago
A fuel gas containing 45.00 mole% methane and the balance ethane is burned completely with pure oxygen at 25.00 degree C, and th
Dennis_Churaev [7]

Answer:

A)

- Q ( kw ) for vapor =  -1258.05 kw

- Q ( kw ) for liquid = -1146.3 kw

B )

- Q ( kj ) for vapor  = -1258.05 kJ

- Q ( KJ ) for liquid = - 1146.3 KJ

Explanation:

Given data :

45.00 % mole of methane

55.00 % of ethane

attached below is a detailed solution

A) calculate - Q(kw)

- Q ( kw ) for vapor =  -1258.05 kw

- Q ( kw ) for liquid = -1146.3 kw

B ) calculate  - Q ( KJ )

- Q ( kj ) for vapor  = -1258.05 kJ

- Q ( KJ ) for liquid = - 1146.3 KJ

since combustion takes place in a constant-volume batch reactor

7 0
3 years ago
Summary of Possible Weather and Associated Aviation Impacts for Geographic/Topographic Categories Common in the Western United S
ruslelena [56]

Answer: answer provided in the explanation section.

Explanation:

Weather phenomenons that would impart Aviation Operations in Santa Barbara -

1. Although winters are cold, wet, and partly cloudy here. It is in general favorable for flying. But sometimes strong winds damage this pleasant weather.

2.  The Sundowner winds cause rapid warming and a decrease in relative humidity. The wind speed is very high surrounding this area for this type of wind.  

3. Cloud is an important factor that affects aviation operations. Starting from April, here the sky is clouded up to November. The sky is overcast (80 to 100 percent cloud cover) or mostly cloudy (60 to 80 percent) 44% on a yearly basis. Thus extra cloud cover can trouble aviation operations.

4. The average hourly wind speed can also be a factor. This also experiences seasonal variations, these variations are studied carefully in the aviation industry. The windier part of the year starts in January and ends in June. In April, the wind speed can reach 9.5 miles per hour.

This and more are some factors to look into when considering wheather conditions that would affect aviation operations.

I hope this was a bit helpful. cheers

5 0
4 years ago
Find the speed of a transverse wave on a 75-cm length of a cord when the tension in the cord is 320 N. The mass of the cord is 1
tino4ka555 [31]

Answer:

The speed of transverse wave will be 28.2842 m/sec  

Explanation:

We have given length of the card = 75 cm = 0.75 m

Tension on the card = 320 N

Mass of the card = 120 gram = 0.12 kg

So linear density =\frac{mass}{length}=\frac{0.12}{0.75}=0.4kg/m

We have to find the speed of the transverse wave

Speed is given by v=\sqrt{\frac{T}{linear\ density}}

v=\sqrt{\frac{320}{0.4}}=28.2842m/sec

So the speed of transverse wave will be 28.2842 m/sec

8 0
4 years ago
Iven & Find: Compare the average heat transfer coefficients for three different fluids. In all cases the length of the plate
Aleonysh [2.5K]

Answer:

attached below

Explanation:

SO AS WE CAN SEE FOR GASES THE CONVECTIVE HEAT TRANSFER COEFFICIENT HAS VERY LOW VALUE WITH RESPECT TO LIQUID THATS WHY WE USE FIND TO MAXIMIZE HEAT TRANSFER RATE WITH GASES AS A CONVECTIVE MEDIUM.

8 0
3 years ago
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