Sunday, February 26, 2012

Operations Management Quiz - 9 (Quiz Questions for Ops Management)

1. Which of the following constitute functions of Master Production Schedule?
I. Forecast the aggregate demand.
II. Translate aggregate plans.
III. Identify material requirements.
IV. Generate capacity requirements.
[A](I), (II) and (III) above
[B](I), (II) and (IV) above
[C](I), (III) and (IV) above
[D](II), (III) and (IV) above

2. Which of the following is not correct regarding Make-or-Buy Analysis?
[A]Purchase managers, with the assistance of production engineers, generally do a Make-or-buy analysis for materials
[B]It is made based on the break-even analysis
[C]Lead time is not to be considered for making the decision
[D]Break-even demand is the demand at which the total cost of making a product is equal to the total cost of buying the product

3. In an assembly line of two workstations, the sum of task time is 30 seconds. If the cycle time is 20 seconds, the efficiency of balance is
[B]70 %
[C]75 %
[D]80 %

4. Which of the following is false in relation to Demand Chain?
[A]Instead of building and operating their supply chain from manufacturer to market, Demand Chain leaders are creating alliances with those channel partners who are able to fulfill consumers’ needs and wants
[B]The players in today’s emerging Demand Chains are different from those in traditional supply chains
[C]Responsibilities are assumed by the Demand Chain as a whole
[D]In a Demand Chain, products don’t necessarily originate from manufacturers

5. Which of the following is not an advantage of job specialization?
[A]Improvement in work environment for the workers
[B]Simpler work instructions and easy productions control because of consistence in work assignment
[C]Scope for higher degree of mechanization or automation
[D]Ease of supervision and training of workers

6. The Average Cycle time in an assembly line is 2.5 minutes and the performance rating of worker is 95 percent, then Normal time is given by
[A]2.175 min
[B]2.245 min
[C]2.375 min
[D]2.450 min

7. Which of the following does not constitute uses of Predetermined Motion Time Studies (PMTS)?
[A]Developing Standards
[B]Control and Auditing
[D]Motivating employees

8. Which of the following is not a feature of Just-in-Time (JIT) purchasing system?
[A]Reduction in production cycle time
[B]Improved quality
[C]More responsiveness to customer needs
[D]Increased capital requirements

9. Which of the following are the main reports used in inventory and production control?
[A]Planned Orders
[B]Primary reports
[C]Secondary reports
[D]Performance reports

10. Hybrid layout is commonly used to manufacture which of the following products?

11. Fixed-sequence robots are most useful for which of the following production systems?
[A]Product focused
[B]Process focused
[D]Intermittent system

12. Lakhan Company Limited wants to forecast the demand of its lawnmowers for the month of July. Actual and forecasted demand for last five months is as follows:
Month Feb Mar Apr May Jun
(in units)
Forecast 110 120 145 155 180
Actual 80 106 133 162 170
The Mean Absolute Percentage Error (MAPE) of the above data is
[A]12.98 %
[B]13.98 %
[C]14.98 %
[D]15.98 %

13. Which of the following is not true with respect to Project Crashing?
[A]The process of reducing the time of the project by reducing some of the activity times is called crashing
[B]Subcontracting, using the services of overtime labour and adding an extra shift are some of the general approaches for crashing the project time
[C]As the Project Crashing approaches are expensive, managers need to make an analysis of time-cost tradeoffs that reduce the project duration with a minimum increase in cost
[D]We select the critical activity that has the minimum completion time

14. Which of the following statements is not true regarding Product Life Cycle?
[A]The first stage in the life cycle of a product is Introduction stage
[B]In the Introduction stage, sales begin as a result of intense promotion and other marketing efforts, and profits are either less or negative
[C]In the growth stage, there is a high growth rate in the sales volume and organizations emphasize on production capacity expansion
[D]The activities in the Operations Department that are related to the product development and design are more intense in the later stages of the Product Life Cycle

15. Which of the following is not true about Business Process Re-engineering (BPR)?
[A]It is the fundamental rethinking and radical redesign of business processes to achieve dramatic improvement in critical, contemporary measures of performance such as cost, quality, service and speed
[B]It revolves around Information Technology (IT) and continuous change
[C]It involves constant refinement of an organization’s changing needs
[D]BPR came to replace the outdated and overly simplistic views implied by downsizing

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