1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alenkasestr [34]
3 years ago
14

An ideal Diesel Cycle has a compression ratio of 18 and a cutoff ratio of 1.5. Determine the maximum air temperature and the rat

e of heat addition to this cycle when it produces 200 hp of power; the cycle is repeated 1200 times per minute; and the state of the air at the beginning of the compression is 95 kPa and 17oC. Use constant specific heats at room temperature.
Engineering
1 answer:
Mariulka [41]3 years ago
5 0

Answer:

A) Q'_in = 304.66 hp

B) T_max = 1109.29 °C

Explanation:

We are given;

compression ratio; r = 18

cutoff ratio; r_c = 1.5

Power; W' = 200 hp

Temperature; T1 = 17°C = 290 K

A) To find the rate of heat addition, we will use the derived formula;

Q'_in = (W' × r^(k - 1) × k(r_c - 1))/(r^(k - 1) × k(r_c - 1)) - ((r_c)^(k) - 1)

Where k is a constant = 1.4

Thus;

Q'_in = (200 × 18^(1.4 - 1) × 1.4(1.5 - 1))/((18^(1.4 - 1) × 1.4(1.5 - 1)) - ((1.5^(1.4)) - 1)

Q'_in = 304.66 hp

B) To find the maximum temperature, we will use the Formula;

T_max = T1 × r^(k - 1) × r_c

T_max = 290 × 18^(1.4 - 1) × 1.5

T_max = 1382.29 K

Converting to °C gives;

T_max = 1109.29 °C

You might be interested in
Two technicians are discussing relays. Technician A says that relays can fail because the relay winding is open. Technician B sa
hram777 [196]

Technician A says that relays can fail because the relay winding is open. Technician A is correct.

<h3>What is winding?</h3>

A single turn of the wound material, which is material wrapped or coiled around an object.

Poor contact alignment and open coils can also cause relays to malfunction.

The most important aspect impacting relay dependability is choosing the right relay type for a particular application. When incorporating them into circuits, several subpar design techniques are employed.

Hence, technician A is correct.

To learn more about the winding refer;

brainly.com/question/23369600

#SPJ1

4 0
2 years ago
If a car travels 8 miles in 15 minutes, what is the speed of the car in miles per hour
mestny [16]

Answer:

32 miles per hour

Explanation:

if 8 miles is in 15 minutes then multiply 8 by 4 to get miles per hour.

8 0
3 years ago
Amplifiers are extensively used in the baseband portion of a radio receiver system to condition the baseband signal to produce a
N76 [4]

Answer:

Please see the attached file for the complete answer.

Explanation:

Download pdf
5 0
3 years ago
What is CQ Thread Ball Valves​
hodyreva [135]
That is a thread ball valves

8 0
3 years ago
Read 2 more answers
Write a SELECT statement that returns these column names and data from the Products table: product_name The product_name column
I am Lyosha [343]

Answer:

 SELECT  

   product_name, list_price, discount_percent,    

   ROUND(list_price * (discount_percent / 100), 2) AS discount_amount,

   ROUND(list_price - (discount_percent / 100 * list_price), 2)  AS discount_price  

FROM

Products

ORDER BY (list_price - (discount_percent / 100 * list_price)) DESC

LIMIT 5;

Explanation:

In the above SELECT statement is used to select columns from Products table.

The columns are  product_name,list_price and discount_percent

Next a column discount_amount is selected which is the calculated from previous two columns that are list_price and discount_percent. The discount amount is basically calculated by multiplying list_price with discount_percent/100 and the resultant column is named as discount_amount using Alias which is used to give a temporary name to set of columns or a table.

Next another column discount_price is obtained from previous three columns that are  list_price , discount_percent and discount_amount as: list_price - (discount_percent / 100 * list_price) This as a whole is given a column name discount_price.

FROM is used to refer to a table from which these columns are to be selected. The table name is Product.

The result set is sorted in descending order by discount_price so ORDER BY is used to order the resultant records and DESC is used to sort these records according to the discount_price in descending order.

LIMIT statement is used to extract the records from Product and limit the number of rows returned as a result based on a limit value which is 5 here.

5 0
3 years ago
Other questions:
  • 4.71 A full-wave rectifier circuit with a 1-kΩ operates from a 120-V (rms) 60-Hz household supply through a 6-to-1 transformer h
    10·1 answer
  • For some transformation having kinetics that obey the Avrami equation , the parameter n is known to have a value of 1.1. If, aft
    6·1 answer
  • Choose the true statement from those shown below: A Merchant Account allows you to use SSL on your web site. Disadvantages of us
    14·1 answer
  • WHAT IS A TOROID IN HYDRAULUCS?
    11·2 answers
  • Consider a 0.15-mm-diameter air bubble in a liquid. Determine the pressure difference between the inside and outside of the air
    10·1 answer
  • Show that -40 F is approximately equal to -40 C.
    12·1 answer
  • Ten dollars per hour is about how much income per year
    5·2 answers
  • What competitive strategy was used by Regal Marine?
    5·1 answer
  • The volume of the pyramid is 36 cubic cm, find the volume of the prism.
    5·1 answer
  • I want to know if anyone else know how to tell apart real leather from fake leather?!?!
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!