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Degger [83]
4 years ago
8

3. A power cycle operates between hot and cold reservoirs at 500 K and 310 K respectively. At steady state the power output deve

loped is: 0.1 MW. What is the minimum rate of energy rejection by heat transfer to the cold reservoir, in MW
Engineering
1 answer:
grin007 [14]4 years ago
4 0

Answer:

0.163 MW

Explanation:

To get the minimum rate of energy rehection by heat transfer to cold reservoir, it implies that the power cycle operates in reversible cycle. The efficiency of reversible cycle whose value will be same as efficiency of power cycle will be given by

Efficiency of reversible cycle

n= (Th-Tc)/Th where T represent temperature, n efficiency, subscripts h and c hot and cold respectively

Substituting 500 and 310 for hot and cold temperatures respectively then efficiency

n=(500-310)/500=0.38

Efficiency of power cycle, n= Power output/Qh

Qh= 0.1/0.38= 0.263

Net power output, W= Qh- Qc

Qc=Qh-W= 0.263-0.1=0.163 MW

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Put four red LED as a straight line and connect each of them to a corresponding analog output. Connect a potentiometer to a 5 Vo
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Explanation:

There has been no information about related to which programming language is to be used, writing code algorithm.

Defining I/O's ;

Analogue output

A01, A02, A03,AO4

Analogue Input;

AI_1   // potentiometer input

// Based on controller used, assign channels to I/O's

// code

int voltage

Voltage = AI_1;

If (Voltage > 0 && Voltage < 1.25)

 {

   A01 = voltage

   A02 = 0;

   A03= 0

   AO4= 0

 }

If (Voltage > 1.25 && Voltage < 2.5)

 {

   A01 = 1.25

   A02 = (Voltage -1.25);

   A03= 0

   AO4= 0

 }

If (Voltage > 2.5 && Voltage < 3.75)

 {

   A01 = 1.25

   A02 = 1.25

   A03=  (Voltage - 2.5);

   AO4= 0

 }

else

 {

   A01 = 1.25

   A02 = 1.25

   A03=  1.25

   AO4= (Voltage - 3.75);

 }

return

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What is programming and sensory?
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3 years ago
According to Moore and Marra's (2005) case study, which observed two online courses, students in the first course implemented a
Archy [21]

Your question is incomplete, please let me assume this to be your complete question;

ORIGINAL SOURCE:

When instructors are creating discussion board activities for online courses, at least two questions must be answered. First, what is the objective of the discussions? Different objectives might be to create a "social presence" among students so that they do not feel isolated, to ask questions regarding assignments or topics, or to determine if students understand a topic by having them analyze and evaluate contextual situations. Based on the response to this question, different rules might be implemented to focus on the quality of the interaction more so than the quantity. The second question is, how important is online discussions in comparison to the other activities that students will perform? This question alludes to the amount of participation that instructors expect from students in online discussions along with the other required activities for the course. If a small percentage of student effort is designated for class participation, our results show that it can affect the quality and quantity of interactions.

References:

Moore, J. L., & Marra, R. M. (2005) A comparative analysis of online discussion participation protocols.Journal of Research on Technology in Education, 38(2), 191-212.

STUDENT VERSION:

According to Moore and Marra's (2005) case study, which observed two online courses, students in the first course implemented a constructive argumentation approach while students in second course had less structure for their postings. As they stated, when instructors create online discussion board activities, they must answer at least two questions. These questions are: "What is the objective of the discussions?" And "How important are online discussions in comparison to the other activities that students will perform?". According to their findings, the discussion activities that were designed based on the answers to these questions can influence the quality and quantity of interactions (Moore & Marra, 2005).

References:

Moore, J. L., & Marra, R. M. (2005) A comparative analysis of online discussion participation protocols.Journal of Research on Technology in Education, 38(2), 191-212.

Which of the following is true for the students work;

Word-for-word plagiarism

Paraphrasing plagiarism

Not Plagiarism

ANSWER: IT IS NOT PLAGIARISM

Explanation: plagiarism is the act of extracting knowledge from someone's literature work, without acknowledging the literature work. In other words, this can be called a theft of knowledge, because when you failed to acknowledge the literature source that helped you to produce your paper work, it means you have claimed to be the original owner of that knowledge.

This is not a Plagiarism because the student has acknowledged the source of the knowledge in it's literature work. The original source and the student has cited the same literature work, this why their work looks similar but not exactly the same. So the student has not committed Plagiarism

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4 years ago
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