Answer: d)Coercion
Explanation:Tool wear is defined as the situation when the cutting tool is subjected to the regular process of cutting metal then they tend to wear because of the continuous action of cutting and facing stresses and pressure . The mechanism that does not happen during this process are coercion that means the process of exerting forces on any material forcefully against the will or need. Therefore, adhesion,attrition and abrasion are the process of tool wear .So the correct option is (d)
Answer:
(b) Constant (minimum) volume
Explanation:
In the idealized Otto cycle there are 4 process that are
- Reversible adiabatic compression
- Addition of heat at constant volume
- Reversible adiabatic expansion
- Rejection of constant volume
So from above discussion we can see that heat is added when there is constant (minimum) volume which is given in option (b) so option (b) will be the correct answer
Answer:
# Python Program to Print
# all subsets of given size of a set
import itertools
def findsubsets(s, n):
return list(itertools.combinations(s, n))
# Driver Code
s = {1, 2, 3}
n = 2
print(findsubsets(s, n))
-----------------------------------------------
# Python Program to Print
# all subsets of given size of a set
import itertools
# def findsubsets(s, n):
def findsubsets(s, n):
return [set(i) for i in itertools.combinations(s, n)]
# Driver Code
s = {1, 2, 3, 4}
n = 3
print(findsubsets(s, n))
-------------------------------------------------------------
# Python Program to Print
# all subsets of given size of a set
import itertools
from itertools import combinations, chain
def findsubsets(s, n):
return list(map(set, itertools.combinations(s, n)))
# Driver Code
s = {1, 2, 3}
n = 2
print(findsubsets(s, n))
Answer:
Concentration factor will be 1.2
So option (C) will be correct answer
Explanation:
We have given outer diameter D = 1.25 in
And inner diameter d = 1 in and fillet ratio r = 0.2 in
So
ratio will be 
And
ratio will be 
Now from the graph in shaft vs torsion the value of concentration factor will be 1.2
So concentration factor will be 1.2
So option (C) will be correct answer.
Answer:
Polymers are the naturally occurring or synthetic macromolecules that are composed of repeating subunits, called monomers.
The three main classes of polymers are: thermoplastic, thermosetting, and the elastomers.
Thermoplastic polymers have linear bonding. These polymers can be melted again and thus can recycled.
Thermosetting polymers have cross-linked bonding. These polymers decompose when heated and thus can not be remelted and recycled.
Elastomers have linear bonding with some cross-linking. These polymers extreme elastic extensibility and thus can revert back to its original shape after deformation, without causing any permanent damage.