Answer:
The grinding machine is used for roughing and finishing flat, cylindrical, and conical surfaces; finishing internal cylinders or bores; forming and sharpening cutting tools; snagging or removing rough projections from castings and stampings; and cleaning, polishing, and buffing surfaces.
 
        
             
        
        
        
Answer:
2.7g
Explanation:
the mass of a brass axle that has a volume of 0.318 cm is 2.7g.
 
        
             
        
        
        
Answer:
<em><u>1</u></em>
<em><u>1What is the output of 2 Input XNOR gate if both the inputs are same? Explanation: The output of 2 Input XNOR gate is 1 if both the inputs are same. The output of the XNOR gate is 1 if both the inputs are logic 0 or logic 1. This is why they are called as equality detector.</u></em>
 
        
             
        
        
        
Complete Question 
The complete question is shown on the first uploaded image.
Answer:
The answer is shown on the second uploaded image 
Explanation:
The explanation is also shown on the second uploaded image 
 
        
             
        
        
        
Answer:
The code is attached.
Explanation:
I created a string s including 6 colors with spaces in between. Then I converted the string into a list x by using split() method. I used three different methods for removing elements from the list. These methods are remove(), pop() and del. 
 Then I used methods append(), insert() and extend() for adding elements to the list.
 Then I used methods append(), insert() and extend() for adding elements to the list. 
 Finally I converted list into a string using join() and adding space in between the elements of the list.
 Finally I converted list into a string using join() and adding space in between the elements of the list.