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:
1 2 200 000 000 000 000 000 000 (20 zeros) molecules
Explanation:
Molar mass of 1-butanol = 74.121 g/mol
number of moles = mass given / molar mass
where mass given = 1.5 g
number of mole = 1.5 g / (74.121g/mol ) = 0.0202 moles
number of moles = number of molecules / Avogadro's constant
where Avogadro's = 6.022 × 10²³ mol⁻¹
number of moles = 6.022 × 10²³ × 0.0202 moles = 1 2 200 000 000 000 000 000 000 (20 zeros) molecules
Answer:
This is False because people can have more than 1
Explanation:
There are two rake angle types :
Positive rake
This is the case that occurs when looking from the inner side the face of the cutting tool slopes away from the cutting edge.
Negative rake
This is the case that occurs when the face of the cutting tool slopes away from the cutting edge at the outer side.
Increasing the positive rake angle means that the cutting tool will get sharper thus making the tool weaker. So, brittle material will form discontinuous chips and ductile material will form continuous chip. The tool life may also be reduced.
Increasing the negative rake angle means that the cutting tool will get blunt thus making the tool stronger. So, brittle material will form continuous chips. Results in higher temperature of the tool. Surface finish might increase.
This is a very very difficult one for me, let me get back to you with the proper answer.
