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nlexa [21]
4 years ago
9

Where the velocity is highest in the radial direction? Why?

Engineering
1 answer:
posledela4 years ago
8 0

Answer:

In the center and directed away from it.

Explanation:

The direction along the radius and directed away from the center is known as radial direction.

The velocity is highest in the radial direction pointing away from the center, this is because of the reason that  when the particle executes its motion in the direction that is radial, then it is not acted upon by any force that opposes the motion of the particle and thus there is no obstruction to the velocity of the particle and it is therefore, the highest in the radial direction.

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One - tenth kilogram of air as an ideal gas with k= 1.4 executes a carnot refrigeration cycle as shown i fig. 5,16, the isotherm
maria [59]

Answer:

Hello your question is incomplete attached below is the missing part

a) p1 = 454.83 kPa,  p2 = 283.359 Kpa , p3 = 536.423 kpa , p4 = 860.959kPa

b) W12 = 3.4 kJ, W23 = -3.5875 KJ, W34 = -4.0735 KJ, W41 = 3.5875 KJ

c) 5

Explanation:

Given data:

mass of air ( m ) = 1/10 kg

adiabatic index ( k ) = 1.4

temperature for isothermal expansion = 250K

rate of heat transfer ( Q12 ) = 3.4 KJ

temperature for Isothermal compression ( T4 ) = 300k

final volume ( V4 ) = 0.01m ^3

a)  Calculate the pressure, in Kpa, at each of the four principal states

from an ideal gas equation

P4V4 = mRT4 ( input values above )

hence P4 = 860.959kPa

attached below is the detailed solution

b) Calculate work done for each processes

attached below is the detailed solution

C) Calculate the coefficient of performance

attached below is detailed solution

6 0
3 years ago
What are the advantages to a quality<br> saw?
gladu [14]
Ans: A quality handsaw makes jobs such as crosscutting moldings, cleaning out dovetails and flush cutting dowels and pegs faster, cleaner and safer. There are myriad different types and sizes of blades for working with wood and other materials.
7 0
3 years ago
A liquid-liquid extraction process consists of two units, a mixer and a separator. One inlet stream to the mixer consists of two
vesna_86 [32]

Answer:

One inlet stream to the mixer flows at 100.0 kg/hr and is 35wt% species-A and 65wt% species-B.

Explanation:

8 0
4 years ago
Wind blows on the side of a fully enclosed hospital located on open flat terrain where V= 120 mi/h. Determine the external press
ss7ja [257]

Answer:

The external pressure is p = -21.9 psf or p = -8.85 psf

Explanation:

Given :

Velocity of wind, v = 120 mi / hr

$k_d = k_c =1 $   (wind direction factor)

$k _{zt} = 1 $  = topographical factor (for flat terrain)

$ q_n$ = velocity pressure at height h

$ \therefore q_n = 0.00256 k_z k_{zt} k_d v^2 $

$  q_n = 0.00256 \times  k_z (1)(1)(120)^2 $

    $ = 36.86 k_z$

But for height h = 30 ft, $ k_z$ = 0.98 (from table)

$ \therefore q_n = 36.86 \times 0.98 $

        = 36.16

Now, $ \frac{L}{B}= \frac{200}{200} =1$ ,   so $C_p=-0.5 $ (from table)

$p = q(G)(C_p)-q_n(GC_{pi})$

where, p = external pressure

            G = 0.85 = gust factor (for typical rigid building)

            $GC_{pi} = \pm 0.18 $   (internal pressure co efficient)

Therefore putting the values,

$p = (36.13)(0.85)(-0.5)-(36.13)(\pm 0.18)$

p = -21.9 psf or p = -8.85 psf

4 0
4 years ago
How many watts does a microwave run on
zmey [24]

Answer:

a regular sized microwave will use 850 to 1800 watts depending on the model. An average modern microwave will use around 1200 watts.

Explanation:

3 0
4 years ago
Read 2 more answers
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