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Hitman42 [59]
3 years ago
8

Which of the following is MOST likely to be true about a service manager?

Engineering
1 answer:
forsale [732]3 years ago
7 0

Answer:

a.they are responsible for the function of the service department

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Air at 300 K and 100 kPa steadily flows into a hair dryer having electrical work input of 1500 W. Because of the size of the air
dezoksy [38]

Answer:

0.0280Kg/s

Explanation:

Given:

W = 1500

V2 = 300

V1 = 0

Q = 0 ( adiabatic)

T1 = 300

T2 = 20 m/s = converting to degrees we have 353°c

Let's use the energy equation

Q - W = m_• *( Cp(dT) + 0.5*(V2^2 - V1^2) Q = 0

[/tex] m_• = W / (Cp(dT) + 0.5*V2^2) [/tex]

= 1500 / (1005(353 - 300) + 0.5*21^2)

= 1500 W / 53485.5 =0.0280 kg/s

8 0
3 years ago
Read 2 more answers
What is it that makes a battery rechargeable? How is it different from a regular battery?
BaLLatris [955]

Answer:

"A simple battery is comprised of multiple cells attached in series. A cell is made up of three parts: two electrodes (an anode and cathode) in a chemical called an electrolyte. A rechargeable battery is capable of reversing the chemical reaction by forcing a current in the opposite direction."

Explanation:

5 0
3 years ago
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As you push a toggle bolt into a wall, the
MakcuM [25]
Answer:

Explanation:
One the object is attached the toggle it's placed onto the bolt. The wings should be open in the direction of the bolt head. The toggle is than collapsed and the entire toggle bolt is inserted into the hole in the wall. Once the wings are fully through the opening they will spring open on the other side.
Hopt it's help thanks..

5 0
2 years ago
Water (cp = 4180 J/kg·°C) enters the 2.5 cm internal diameter tube of a double-pipe counter-flow heat exchanger at 17°C at a rat
aksik [14]

Answer:

Length = 129.55m, 129.55m

Explanation:

Given:

cp of water = 4180 J/kg·°C

Diameter, D = 2.5 cm

Temperature of water in =  17°C

Temperature of water out = 80°C

mass rate of water =1.8 kg/s.

Steam condensing at 120°C

Temperature at saturation = 120°C

hfg of steam at 120°C = 2203 kJ/kg

overall heat transfer coefficient of the heat exchanger = 700 W/m2 ·°C

U = 700 W/m2 ·°C

Since Temperature of steam is at saturation,

temperature of steam going in = temperature of steam out = 120°C

Energy balance:

Heat gained by water = Heat loss by steam

Let specific capacity of steam = 2010kJ/Kg .°C

Find attached the full solution to the question.

3 0
3 years ago
Which option identifies the free resource Judi can use in the following scenario?
lakkis [162]

Answer:

Computer programming for three dimensional designs

Explanation:

  • Doll is not a 2D creation . it's a 3D creation
  • So on creating the design on 3D scale it's more effective to determine what can be added more.
4 0
2 years ago
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