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AlexFokin [52]
3 years ago
6

Trapezoidal screw press project

Engineering
1 answer:
labwork [276]3 years ago
6 0

Answer:

thnx

Explanation:

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Can the United States defeat Iranian forces
Lostsunrise [7]

Answer:

yes for sure

Explanation:

iran oy has 3000 ballistic missiles but america has thousands of nukes. we can easily outnumber their forces as well. this will be a easy victory for us but will result in massive casualties on both sides

5 0
3 years ago
Read 2 more answers
An air standard cycle with constant specific heats is executed in a closed system with 0.003 kg of air and consists of the follo
Vsevolod [243]

Answer:

a) Please see attached copy below

b) 0.39KJ

c)  20.9‰

Explanation:

The three process of an air-standard cycle are described.

Assumptions

1. The air-standard assumptions are applicable.

2. Kinetic and potential energy negligible.

3. Air in an ideal gas with a constant specific heats.

Properties:

The properties of air are gotten from the steam table.

b) T₁=290K ⇒ u₁=206.91 kj/kg, h₁=290.16 kj/kg.

P₂V₂/T₂=P₁V₁/T₁⇒ T₂=P₂T₁/P₁ = 380/95(290K)= 1160K

T₃=T₂(P₃/P₂)⁽k₋1⁾/k =(1160K)(95/380)⁽⁰°⁴/₁.₄⁾ =780.6K

Qin=m(u₂₋u₁)=mCv(T₂-T₁)

=0.003kg×(0.718kj/kg.k)(1160-290)K= 1.87KJ

Qout=m(h₃₋h₁)=mCp(T₃₋T₁)

=0.003KG×(1.005kj/kg.k(780.6-290)K= 1.48KJ

Wnet, out= Qin-Qout = (1.87-1.48)KJ =0.39KJ

c)ηth= Wnet/W₍in₎ =0.39KJ/1.87KJ = 20.9‰

7 0
3 years ago
Help i need to find out how to replace a water hose in a truck
Arisa [49]
How long is the old hose
7 0
2 years ago
If the bending moment (M) is 4,176 ft-lb and the beam is an 1 beam, calculate the bending stress (psi) developed at a point with
SpyIntel [72]

Answer:

Bending stress at point 3.96 is \sigma_b = 1.37 psi

Explanation:

Given data:

Bending Moment M is 4.176 ft-lb = 50.12 in- lb

moment of inertia I = 144 inc^4

y = 3.96 in

\sigma_b = \frac{M}{I} \times y

putting all value to get bending stress

\sigma_b = \frac{50.112}{144} \times 3.96  

\sigma_b =  1.37 psi

Bending stress at point 3.96 is \sigma_b = 1.37 psi

3 0
3 years ago
Which is an example of a subsystem and system relationship?
Zanzabum

The example of a subsystem and system relationship is option

A) mechanical toggle, Xbox controller

Explanation:

  • Controls and Controllers are known as the mechanical, electro-mechanical, or electronic devices which are used to  input signals to change the conditions or values which are in processes or access to buildings, operators, gated areas, etc.
  • When you press and hold the given Shift button, these buttons which are chosen becomes an alternate inputs.
  • Normally, there are three controllers(PID) which are used in any of the process industries inorder to maintain and control the required setpoint.
  • an example of a subsystem and system relationship is a mechanical toggle, Xbox controller
  • Controllers improve the steadiness and state of accuracy by decreasing the steady state error. When the steady state accuracy gets better, the stability also improves.
  • Controllers are also used to help in reducing the unwanted offsets which are produced by the system.

6 0
3 years ago
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