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Varvara68 [4.7K]
3 years ago
7

Can a real refrigerator have higher COP than the COP of the Carnot refrigerator?

Engineering
2 answers:
astra-53 [7]3 years ago
5 0

Answer:

No

Explanation:

As we know that Carnot refrigerator is an ideal refrigerator in which all processes are reversible and COP of refrigerator depends only on temperature limit of evaporator and condenser.

On the other hand a real refrigerator consist irreversibility that is why the COP of real refrigerator is less that Carnot refrigerator.

So we can say that COP of Carnot  refrigerator is always more that COP of  real refrigerator.

Flauer [41]3 years ago
4 0

Answer: NO

Explanation:

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What are the three elementary parts of a vibrating system?
zhenek [66]

Answer:

the three part are mass, spring, damping

Explanation:

vibrating system consist of three elementary system namely

1) Mass - it is a rigid body due to which system experience vibration and kinetic energy due to vibration is directly proportional to velocity of the body.

2) Spring -  the part that has elasticity and help to hold mass

3) Damping - this part considered to have zero mass and  zero elasticity.

7 0
3 years ago
14. A large car fire presents the possibility of
dexar [7]

Answer:

Both of the above

Explanation:

5 0
2 years ago
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In which type of shoot is continuous lighting used?
Fiesta28 [93]

A type of shoot in which continuous lighting used is: 1) studio.

<h3>What is a photoshoot?</h3>

A photoshoot simply refers to a photography session which typically involves the use of digital media equipment such as a camera, to take series of pictures (photographs) of models, group, things or places, etc., especially by a professional photographer.

<h3>The types of shoot.</h3>

Basically, there are four main type of shoot and these include the following:

  • Studio
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  • Landscape

In photography, a type of shoot in which continuous lighting used is studio because it enhances the photographs.

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4 0
1 year ago
A spherical gas container made of steel has a(n) 17-ft outer diameter and a wall thickness of 0.375 in. Knowing that the interna
Arte-miy333 [17]

Answer:

Maximum Normal Stress σ = 8.16 Ksi

Maximum Shearing Stress τ = 4.08 Ksi

Explanation:

Outer diameter of spherical container D = 17 ft

Convert feet to inches D = 17 x 12 in = 204 inches

Wall thickness t = 0.375 in

Internal Pressure P = 60 Psi

Maximum Normal Stress σ = PD / 4t

σ = PD / 4t

σ = (60 psi x 204 in) / (4 x 0.375 in)

σ = 12,240 / 1.5

σ = 8,160 P/in

σ = 8.16 Ksi

Maximum Shearing Stress τ = PD / 8t

τ = PD / 8t

τ = (60 psi x 204 in) / (8 x 0.375 in)

τ = 12,240 / 3

τ = 4,080 P/in

τ = 4.08 Ksi

7 0
3 years ago
A resistance of 30Ω is placed in a circuit with a 90 volt battery. What current flows in the circuit?
Svetlanka [38]

Answer:

30 Amperes

Explanation:

if    V ⇒ voltage

      I ⇒ current

      R ⇒ resistance

V = IR

90 = I x 30

90/30 = I

3 = I

6 0
2 years ago
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