Sigma Slotting Corporation Cadd Designer Interview Questions and Answers

Heat treatment processes of steel and different grades of low carbon steel.

• Heat treatment processes of steel include annealing, quenching, tempering, and normalizing.

• Annealing involves heating the steel to a specific temperature and then slowly cooling it to make it softer and more ductile.

• Quenching involves rapidly cooling the steel to increase its hardness.

• Tempering involves reheating the quenched steel to a lower te...read more

NPV is the present value of expected cash inflows minus the present value of expected cash outflows.

• Identify the expected cash inflows and outflows

• Determine the discount rate

• Calculate the present value of each cash flow

• Subtract the sum of present values of cash outflows from the sum of present values of cash inflows

• The resulting figure is the NPV

Internal Rate of Return (IRR) is the rate at which the net present value of cash flows from an investment equals zero.

• IRR is used to evaluate the profitability of potential investments.

• It takes into account the time value of money and considers all cash flows over the life of the investment.

• IRR is calculated by finding the discount rate that makes the net present value of cash flows equal to zero.

• If the IRR is greater ...read more