Question 30 Under the Theory of Constraints which of the fo

. Question 30 Under the Theory of Constraints which of the following is a kind of Time that makes up the cycle time in production? a-research time b-idle time c-quality time d-none of the time e-square root time . Question 31 Under the Theory of Constraints which of the following is a kind of Time that makes up the cycle time in production? a-all the above b-wait time c-set up time d-none of the above e-process time Question 32 A company wants to determine how many units of each of two products they produce (i e., Products A and B). The profit on Product A is $50 and the profit on Product B is $45. Assuming linear programming models can be applied to this problem, which of the following is the objective fuction for this model? a-maximize z-50A +45B b-none of the above c-minimize z 50A+45B d-minimize A+B e-maximize A+B (Ctrl)

Solution

Question 30 & 31

Cycle time is effectively the total time taken by a unit to transverse through the entire production line. It is simply the subtraction of Time of Exit and the Time of Entry. Thus, we can say it basically means the time taken by a production line to produce a unit of goods. There are many variations of this formula-

Research Time- It is the time required by an organization to research upon the various factors of production like type of product to be developed, benchmark activities of production, etc. As Research time involves non-production activities, it is not included in Cycle Time

Idle/Wait Time- It is the time for which a unit stands idle in between two processes. As all processes doesn\'t take the same amount of time, there are high possibility that a batch/unit would have to wait before being acted upon by the next process. As this Idle time involves delay in production, it is included in the cycle time.

Quality Time- The time taken my a production facility to make appropriate Quality Audits and Quality check is called Quality Time. As these quality related activities are a non-production activities, they are not included in cycle time

Root Square Time- This type of methodology is used when the process time is too random and thus, we are required to use the Root mean square values of all cycle times. But in Production line, the cycle times are very constant and thus the variations are very limited, so we are not required to use this methodology.

Set Up Time- It is basically referred to as the time required to make the unit ready for entry into the next process. This would include the time required for any activity to be taken on the units before its entry into a process. Example- If a process requires the iron rods to be rust free, then the time taken to remove the rusts is the Set Up time. As Set up time includes activities important for the production, it in included in the cycle time

Process Time- It is the time taken for the completion of each processes.

Answers- Question 30 --> b) Idle Time Question 31----> a) All of the above

Question 32

Profit is a desired function and hence, we have to maximize it.

Profit after sale of 1 unit of Product A is 50$. Therefore Profit after sale of A units of Product A is 50*A

Profit after sale of 1 unit of Product B is 45$. Therefore Profit after sale of B units of Product B is 45*B

Thus Total Profit would be 50*A+45*B

As our objective is to maximize the total profit, hence the answer is a) Maximize z= 50*A+45*B