Answer:
Eutectic product in Fe-C system is called Ledeburite-C.
Answer:

Explanation:
Given
Power 
Voltage applied 
Resistance of the bulb is given by




Current drawn by the Power source is given by




Answer:
Explanation:
The detailed and careful step by step calculation and analysis is as shown with appropriate formula in the attached files
Answer:
Option A - fail/ not fail
Explanation:
For this given problem, if the yield strength is now 45 ksi, using Distortion Energy Theory the material will _fail______ and using the Maximum Shear Stress Theory the material will ___not fail_______