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business
production and operations management

Questions and Answers of Production And Operations Management

6. Process Re-engineering (a) Is the fundamental rethinking and radical redesign of the business processes (b) Focuses on activities that cross functional lines (c) Tries to bring about dramatic
5. Computer Integrated Manufacturing (CIM) includes manufacturing systems that have: (a) Robots, automated guided vehicles and transfer equipment (b) Computer aided design, a flexible manufacturing
4. In world class manufacturing, which of the following are typical features of process control systems? (a) They have sensors (b) Their sensors take measurements on a periodic basis (c) The
3. Which of the following transformations generally has the highest equipment utilization? (a) Repetitive process (b) Specialized process (c) Process focused process (d) Product focused process
2. Which of the following is not a characteristic of a service organization in comparison with a manufactur- ing? (a) Intangible, perishable product (b) Output cannot be inventoried (c) High customer
1. FMEA represents the: (a) Fast mode and entertainment analysis (b) Functional market and effect analysis (c) Failure mode and effect analysis (d) Feasible market and economic analysis
3. Suggest some managerial measures to improve the quality of sports cars.World Auto is renowned for designing and manufacturing world-class sports cars, which feature lightweight and high
2. How does the win-win situation exist? Explain.World Auto is renowned for designing and manufacturing world-class sports cars, which feature lightweight and high performance drive and handling
1. How can the training of employees be improved further in your opinion?World Auto is renowned for designing and manufacturing world-class sports cars, which feature lightweight and high performance
How the Poisson distribution is used to describe arrivals and how the exponential distribution is used to describe services times
How to use various formulae to identify operating characteristics of the different waiting line models
1. How much time would the new layout save?For over 75 years, Creative Castings Ltd. (CCL) has manufactured stoves for home use. In recent years, with increasing energy prices, according to Arvind
2. If maintenance personnel were paid Rs. 12.50 per hour, and molding personnel were paid Rs. 15.00 per hour, how much could be saved per hour with the new factory layout?For over 75 years, Creative
1. With __________ in service capacity, there is a ________ in the number of customers in the line. (a) Increase, increase (c) Increase, decrease (b) Decrease, increase (d) Decrease, decrease
2. In an __________ population, the changes in the population size do not significantly affect the system probabilities. (a) Finite population (b) Infinite population (c) Both (a) & (b) (d) None of
3. In which type of system, there is one server and one phase of service for giving facilities to the custom- ers? (a) Single channel, singe phase (c) Multi channel, single phase (b) Single channel,
4. Which type of queuing model is of finite population? (a) Simple (M/M/I) (c) Constant service (M/D/I) (b) Multi-channel (M/M/S) (d) Limited population
5. Which symbol of performance measurement represents the average time in system? (a) Wq (c) Ws (b) La (d) Ls
6. Which statement(s) is/are true for simple (M/M/I) queuing model? (a) Arrivals are random, and follow the Poisson probability distribution (b) It has one single server in the queue (c) The queue
7. The average waiting time (in the queue) of an arrival is: () 1 = / - (b) Wq Lq/ L/ (c) Lq = 27/ ( 2) (d) W=Wq+1/
8. The main assumption(s) of a multiple-serve queuing model (M/M/S) is/are: (a) The processing order is first come first served (b) The calling population is finite (c) There is an upper limit on
9. The probability of n units in the multi server system, where n > s, is: (a) Pw = (A) (c) P=Po ( Po S!(1-2/S) n S!(S-) (b) P = P(A)= n! (d) L = Lq+
10. The main feature(s) of M/D/S queuing model (constant service) is/are: (a) Constant service time (b) Random (Poisson) arrivals (c) Average number in the system = Average number waiting in the line
11. Which one of the following feature represents the limited population queuing model? (a) Probability of arrival depends on the number in service (b) Unlimited queue length (c) Unlimited space for
12. Which symbol of simple (M/M/I) model is used for number of units being serviced and/or waiting in the system? (a) (c) L (b) (d) La
13. Select True or False: (a) Queuing theory is mainly concerned with processes having random arrivals. (b) An infinite population in queues represents the limited size customer pool corresponds to
1. Define the queue in waiting line management. Write down the entire structure of waiting line theory.
2. What are the different types of queuing model? Explain the properties of each model.
3. Explain the various characteristics of waiting line theory.
4. Explain the different suggestions to manage the queues.
5. Discuss the concept of finite and infinite population in queue.
6. How many waiting lines do you suggest to be sufficient in a bank on tellers for the 1000 customer incom- ing per day?
7. Discuss the various types of service configurations. Explain each type of configuration with the help of a suitable example.
8. Write down the assumptions to use the formulae for different models.
9. Which model do you think is best suitable for waiting line in the case of airline?
10. What is the main concern of the cost-benefit in managing the waiting lines?
1. During the hours from 7 to 9 p.m., customers at the Crevice Factory Outlet arrive at the checkout desk at the rate of one every two minutes. It takes an average of 3 minutes to check out a
2. A & B, Inc. markets condominium time-shares in Branson, Missouri. The company sends mailers that announce that the recipient has won a free vacation, and should call a toll-free number to validate
3. Paras International Inc. markets industrial lubricants through a sales force of 30 salespersons. They spend most of their time in the field, calling on customers. When a sale is made, it is
4. The teller at a single drive-through window at a branch of Pecuniary BanCorp takes 3 minutes on an average to handle a customer transaction. The service time varies from customer to customer, and
1. What should Mr. Ashendra recommend: Whether the company should go for outsourcing or not?Everest Tools Company manufactures a line of power and hand tools for industrial and home use that is
2. How should he justify his decision?Everest Tools Company manufactures a line of power and hand tools for industrial and home use that is marketed under its own name. In addition, the company
1. Transportation attempts at fulfilling: (a) Right product, right time and right place (b) Right product, right quantity and right customer (c) Right customer, right cost and right quantity (d) None
2. The upstream of supply chain is: (a) Exclusively inside an organization (b) The distribution of products or delivery of services customers (c) Involved with procurement of material from suppliers
3. The downstream of supply chain is: (a) Exclusively inside an organization (b) The distribution of products or delivery of services to customers (c) Involved with procurement of material from
4. The correct sequence of an organization's supply chain from a systems perspective is: (a) Transformation process, delivery to customers, acquisition of resources(b) Delivery to customers,
5. Organizing the cost-effective flow of raw materials in process inventory, finished goods and related in- formation from point-of-purchase to point-of-consumption to satisfy customer requirements
6. A(n). ________ is a sequence of firms that perform activity required to create and deliver goods or services to consumers or industrial users. (a) Logistics sequence (c) Supply chain (b) Demand
7. The objective of information and logistics management in a supply chain is to: (a) Create perfect customer service (b) Coordinate the organizational mission statement with its action programmes
8. Within the context of a supply chain,__________ is the ability of a logistics system to satisfy users in terms of time, dependability, communications and convenience. (a) JIT inventory (c) Lead
9. A warehouse that emphasizes timely movement of goods: (a) Is a freight forwarder (c) Is an inventory expediting center (b) Is a distribution centre (d) Is a storage warehouse
10. The correct sequence of AHP is: (a) Decomposing, evaluating, selecting, weighing (b) Evaluating, weighing, decomposing, selecting (c) Evaluating, selecting, weighing, decomposing (d) Decomposing,
11. Which decisions assume the existence of the facilities, but determine that exact path(s) through which a product flows to and from these facilities? (a) Location decision (c) Inventory decision
12. The key issue(s) in supply chain management is/are: (a) Network planning (c) Distribution strategies (b) Inventory control (d) All of the above
13. Select True or False (a) Supply chain increases value addition at each link of the business cycle. (b) The low cost of supply chain can be achieved through frequent new product introductions.(c)
1. Explain the concept of supply chain management. How traditional SCM is different from integrated SCM system?
2. What is the need of SCM in an organization? How the manager-supplier interface will be managed?
3. What are the different opportunities provided by SCM?
4. What are the key elements in supply chain management? Also, state the benefits of SCM
5. Define the different models for integrated supply chain management.
6. Write down the various components of supply chain management. How will they be helpful in integra- tion?
7. What is analytical hierarchy process? Also, write down the procedure to select the supplier under this process.
7. The warehouse efficiency index can be calculated by the formula: (a) (b) (c) (d) Value of inventory lost due to spoilage or theft Average value of inventory Area used for storage Total storage
10. Describe the quantitative methodology behind Six Sigma.
9. Discuss Taguchi methods and how they are different from traditional statistical quality control methods.
8. Define the two different types of errors that can occur when statistical sampling is used for quality con- trol purposes.
7. What is operating characteristics curve? How these curves are related to various acceptance sampling plans?
6. Explain the procedure of constructing the X-bar chart and R-chart.
5. What is capability index? How will you set the control limits?
4. Define process capability. How will you carry out the process capability study?
3. What is Six Sigma? What are its benefits and goal?
9. Select True or False (a) The six sigma is a new file separate from the total quality philosophy. (b) ISO 9001: 9003 stipulates the performance standards of various items. (c) Pareto analysis is
8. The technique of sampling inspection in which the sample is drawn from the lot, and the lot is accepted or rejected on the basis of the number of rejects in the sample is called: (a) Continuous
7. Which of the following are generally easy to detect using statistical methods, and it is usually economi- cal to remove them? (a) Common causes (c) Assignable causes (b) Special causes (d)
6. Who among the following is associated with contributions to quality control in operations manage- ment? (a) Charles Babbage (c) Frank Gilbrath (b) Henry Ford (d) W. Eduards Deming
5. Quality control charts do not need to be investigated when: (a) Four consecutive points appear one side of the centre line (b) An apparent trend occurs in one direction (c) Suspiciously average
4. Which of the following statements is incorrect? (a) ISO-9000 explains the ISO system (b) ISO-9001 applies to firms that are involved with production (c) ISO-9002 applies to firms that act as
3. Six Sigma reduces variation with the help of: (a) Correlation (c) Trend analysis (b) Standard deviation (d) None of the above
2. The ISO 9001:2000 standards are: (a) A set of product specifications for all industries (b) More widely adopted in U.S. than in Europe (c) Known as the Baldrige standards in U.S. (d) Quality
1. Quality checklists are used to: (a) Prevent project audits (b) Ensure that quality assurance steps were followed (c) Keep quality inspectors busy (d) Inform upper management where failures occur
3. Prepare a detailed summary to supplement Hemant's possible recommendation and justification so as Tushar can understand how he arrived at those recommendations.Krishna Electricals is a
2. Prepare Hemant's possible recommendation with justification.Krishna Electricals is a medium-sized manufacturing company of wire windings used in making electric motors. Tushar, Operations Manager,
1. What charts and graphs might be included in the report?Krishna Electricals is a medium-sized manufacturing company of wire windings used in making electric motors. Tushar, Operations Manager, has
7. Explain the meaning of the plan-do-study-act cycle. Why is it described as a cycle?
6. Describe how cost of quality would change if we hire more inspectors without changing any other as- pects of quality.
3. Explain how TQM is different from the traditional notions of quality.
15. Select True or False: (a) "Narrowly interpreted, quality means quality of a product," was stated by Ishikawa. (b) Zero defects are a widely accepted and understandable concept. (c) Juran model
14. The father of statistical quality control is: (a) Joseph M. Juran (c) Walter Shewhart (b) F.W. Taylor (d) Philip Crossby
13. The concept of total quality control, i.e. quality must be attended to at all the stages of the industrial cycle and throughout the organization, is the creation of which of the following
12. Which one of the following depicts feature that is a dimension of quality? (a) Product looks and sounds (b) Brand name and price (c) Bells and whistles of the product (d) Ability to repair a
11. TQM is a strategy that is designed to change the quality of a product to satisfy customer needs by using the concept of ______ (a) Benchmarking (c) Product maintenance (b) PLC analysis (d)
10. Taylor and Deming would have both agreed that: (a) Eli Whitney was an important contributor to statistical theory (b) Management must do more to improve the work environment and its processes so
9. Juran's model of optimum quality costs includes which of the following costs? (a) Production costs (c) Appraisal costs (b) Prevention costs (d) Both (b) and (c)
8. Which of the following step is incorrect in PDCA cycle? (a) Plan (c) Correct (b) Do (d) Act
7. Which of the following is a quality function? (a) Performance (c) Reliability and durability (b) Features (d) All of the above
6. Which of the following includes the benefits from quality circles? (a) Help in management support (c) Feedback mechanism (b) Remove grievances (d) Cost reduction
5. Which of the following document (s) is/are included in the quality system? (a) A quality policy (c) Customer focus (b) Commitment (d) All of the above
4. Non-conformance is an expense of: (a) Defects of quality (c) Profit of quality (b) Cost of quality (d) Quality of product
3. Which of the following would not normally be considered as a "costs of quality"? (a) Inspection costs (c) Warranty costs (b) Marketing costs (d) Prevention costs
2. The preferred method for achieving total quality in process output is: (a) Build and install an error-proof process and maintain it (b) Perform inspection at the next process (c) Rely on a team of

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