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Ilia_Sergeevich [38]
3 years ago
8

Explain the differences between a two-stroke and a four-stroke engine

Engineering
1 answer:
Snowcat [4.5K]3 years ago
8 0

I don't know the answer and where is the choices

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For a refrigerator, COP<1 a) True b) False
WINSTONCH [101]

Answer:

False

Explanation:

COP is Coeficient of performance, it relates useful heat moved with work consumed, it is used in refrigerators and heat pumps.

For refrigerators the useful heat is the one extracted from the cold reservoir. Therefore:

COP = \frac{Tcold}{T.hot - Tcold}

This often exceeds 1.

4 0
3 years ago
Compression is generally lost in 3 places
natima [27]

Answer:

leak in cylinder head, piston holes, bad valves.

Explanation:

4 0
3 years ago
Extra Credit: The Linc (parking lot and stadium)In celebration of the upcoming Super Bowl, for a maximum 10 points of extra cred
Sidana [21]

Answer:

Explanation:

// Below is the code to draw parking lot only , i have also put the o/p of code.

import java.util.*;

import java.lang.*;

import java.io.*;

public class Linc

{

static int size=4;

static int numBoxes = 1; // one row.

static int height =(int) Math.pow(size, 2); //Just how many | will it have.

static int width = 2; // two boxes in a row

public static void main (String[] args) throws java.lang.Exception

{

top();

printHeight();

}

  public static void top(){

  for(int i = 0; i <= numBoxes*width;i++)

  {

  if(i%width == 0) {//When this happens we're in a new box.

      System.out.print(" ");

      System.out.print("____________");

  }

  else

  System.out.print(" ");

  }

  System.out.println(); //Move to next line.

 

  }

  public static void printHeight(){

  for(int j = 0; j < height;j++){

  for(int i = 0; i <= numBoxes*width;i++)

  {

  if(i%width == 0) {

  System.out.print("|"); //Whenever this happens we're in a new box.

  System.out.print("____________");

     

  }

  else

  System.out.print(" ");

 

  }

  System.out.print("|");

  System.out.println(); //Move to next line.

  }

  }

}

8 0
3 years ago
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Write a function named
Ugo [173]

Answer:

This is a function written in Python Programming Language to check whether a given number is prime or not.

def is_prime(n):

   if (n==1):

       return False

   elif (n==2):

       return True;

   else:

       for x in range(2,n):

           if(n % x==0):

               return False

       return True              

print(is_prime(9))

Explanation:

<h2 />
8 0
3 years ago
In some states, repair shops can accept used oil from do-it-yourselfers or ____________.
MrMuchimi

Answer:

C. Homeowners

Explanation:

I just took my automotive pollution prevention certification and passed by answering homeowners for this question.

7 0
3 years ago
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