Operations Questions and Answers
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What are the advantages and disadvantages of using consumer panels?
The analyst in the Dorben Company wishes to assign a number of like machines to an operator based on minimizing the cost per unit of output. A detailed study of the machines revealed the following:...
When you are using the simplex algorithm, can you ever get a negative value in the final column of the tableau?
An urban post is set up to have customers join a single line which is served by multiple workers. 30 customers arrive per hour (c_a = 0.92) during lunch and join a single line which is served by 5...
How many optimal solutions can an LP problem have?
How to minimize a sum of absolute values using linear programming?
If P(A) = 0.40, P(B | A) = 0.35, P(A \cup B) = 0.69, then P(B) =
Use the revised simplex algorithm to get the solution min times 1 + 2 times 2 s.t. times 1 + 2 times 2 greater than or equal to 1 2 times 1 + 3 times 2 greater than or equal to 2 times 1, time...
In a transshipment problem involving 3 origins, 3 intermediate points and 4 final destinations, what is the total number of decision variables? a. 20 b. 14 c. 7
Which of the following statements concerning the transshipment problem is not true? a. The number of units shipped into a transshipment point should be equal to the number of units shipped out. b....
When using a general LP model for transportation problems, if there are 4 sources and 3 destinations, which of the following statements is true? a. There are 7 decisions variables and 7 constants,...
Answer the following questions : a) The objective function of a binary integer program is Maximize Z=x1+x2+x3+x4. If the optimal solution of its LP relaxation is x*=(1,0.8,0,0.8), find the upper bo...
How did the opportunities of white women and white men settlers differ?
A small company makes three similar products, which all follow the same three-step process, consisting of milling, inspection, and drilling. Product A requires 12 minutes of milling, 5 minutes for...
For the 2 2 game, find the optimal for each player. Be sure to check for saddle points before using the formulas. For now player R: For column player C. Find The value of the game for row player R...
The ABC Company is planning a new product line and a new plant to produce the parts for the line. The product line will include 10 different models. Annual production of each model is expected to b...
What if the arrival rate is greater than the service rate for a particular operation? Discuss the short-term and long-term consequences of a waiting line.
A town in northern Colorado is planning on investing in water purification system. Three mutually exclusive system have been proposed, and their capital investiment costs and net annual benefits ar...
Kurena Company provided the following information on one of its factories: Maximum units produced in a quarter: 180,000 units Actual units produced in a quarter: 112,500 units Hours of productio...
Problem 2(Graphical solution 40 points) Provide a graphical solution to the following optimization problem;
While the support system is "outside" of the delivered system, discuss why the systems engineer should be involved in the design and definition of the support system. Discuss the functions of some...
What is the hourly delivery rate per vehicle for an AGV system if availability ( A) is 90%, traffic ( Ft) factor is 85% and delivery cycle time ( Tc) is 1.5 minutes?
A work center has the following open and planned orders for week 4. Calculate the total standard time required (load).
X Company has the following information related to its manufacturing operations. Activity Average time per batch Processing 240 minutes Inspection time 30 minutes Waiting time 70 minutes Move time...
Consider the manufacture of a simple remote control, constructed of five components; the top cover, bottom cover, circuit board, keypad, and battery compartment cover. The top cover is molded, whi...
Give YOUR OWN illustration of LP formulation including the objective functions and the constraints.
1. When computers were first commercialized, Todd found it to be very confusing. He heard conflicting claims about which hardware to buy and about the various software systems available. He finally...
The guests at the party offered W.B. some very interesting ideas. Trish decided to make a chart to keep track of what was being said. For future reference, she thought she should note each guest's...
5) When an organization decides to operate facilities in other countries, how can HRM practices support this change?
A manufacturing company is considering the purchase of a new machine and has narrowed its choices to two models. The new machine will be used for a 10-year period. Model A has an operating and main...
A company produces two types of solar panels per year: x thousands of type A and y thousands of type B . The revenue and cost equations, in millions of dollars, for the year...
The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula N= -t^2 + 12t + 54 showing the noise level in decibels (N) a...
A trough is to be made with an end of the dimensions shown. The length of the trough is to be 21 ft long. Only the angle theta can be varied. What value of theta will maximize the trough's area?
a) Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 3 ft by 4 ft. The resulting piece of cardboard is then folded into a box without a li...
The top and bottom margins of a poster are 6 cm and the side margins are each 2 cm. If the area of printed material on the poster is fixed at 382 square centimeters, find the dimensions of the post...
Johnson's Juice sells bottles of "keep me awake during class" fruit juice to college students. The annual demand is 88,000 bottles. The company uses an annual holding cost percentage of 16% in its...
What must manufacturing management do to manage a process or operation? What is the major way in which management plans and controls?
Given g (x) = 12 - 5 x. Find g (5).
A power system has the following loads: 1. Residential lighting load: maximum demand = 1000 kW, load factor = 20%, diversity between consumers = 1.3 2. Commercial load: maximum demand = 20...
North Manufacturing has a demand for 1,000 Pumps each year. The cost of a pump is $50. It costs North Manufacturing $40 to place an order, and the carrying cost is 25% of the unit cost. If pumps ar...
What will be the value of X in the given table? Period Sales Exponential smoothing forecast (alpha = 03) 1 100 - 2 110 100 3 120 X a) 103. b) 106. c) 109. d) 110.
For fixed order quantity inventory system, which of the following costs is increased when order size (Q) is increased? a) Setup cost. b) Ordering cost. c) Start-up quality cost. d) Insurance co...
Which of the following statement best describes the process capability? a) Process capability takes place when the C_{p^2} , C_{pk^2} and P_{pk} values are greater than 1. b) It requires the pro...
Select the option that will help in reducing the wastage in terms of excess movement? a) Inventory waste management. b) Just in time manufacturing. c) 5S. d) None of the above.
Summarize the process of managing resources within an IT project.
Thomas' Bike Shop stocks a high volume item that has a normally distributed demand during the reorder period. The average daily demand is 70 units, the lead time is 4 days, and the standard deviati...
Headlands Industries reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 132 $5 $660 12 Purchases 361 6 2,166 23 Purchases 219 7 1,533 30 Inven...
What question triggers the use of backward scheduling? a. when is the latest the job can be started and still complete by due date? b. are there adequate resources for scheduling each aspect of the...
Compute finished goods inventory from the following. Show work and explain. 5400 materials inventory (Jan 31) 21,000 work in progress inventory 2700 materials inventory (Feb 28) 8400 work in progr...
Christine has 440 meters of fencing and wishes to form three sides of a rectangular field. The fourth side borders a river and will not need fencing. a. Find a function that gives the area A(x) of...
The catering manager of La Vista Hotel, Lisa Ferguson, is disturbed by the amount of silverware she is losing every week. Last Friday night, when her crew tried to set up for a banquet for 500 peop...
An auto parts supplier sells Hardy-brand batteries to car dealers and auto mechanics. The annual demand is approximately 1,200 batteries. The supplier pays $28 for each battery and estimates that t...
Is the Facilities plan ever completed for an enterprise/company/business? Explain why or why not?
You have the following data for the last 12 months sales: Month Sales ($) January 500 February 520 March 520 April 510 May 530 June 580 July 610 August 620 September 580 October 550 November 510 D...
Number of students present in a class of STAT201 on different days of the week is given in the following table: Day Number of students present in the class Sunday 20 Monday 30 Tuesday...
How could you tell if a graph has a hamiltonian path?
When to use projected gradient descent?
Your friends who were working in accounts department in their companies are arguing on certain issues regarding inventories. One group is arguing about estimating the value of inventory via a stock...
Forecasting the future is obviously a daunting challenge. All things considered, how well is PJMC doing?
A manager at Strateline Manufacturing must choose between two shipping alternatives: two-day freight and five-day freight. Using five-day freight would cost $135 less than using two-day freight. Th...
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