Homework answers / question archive / Saudi Electronic University MGT 530 Control Chart 1)Detecting nonrandomness in errors can be done using: A

Saudi Electronic University MGT 530 Control Chart 1)Detecting nonrandomness in errors can be done using: A

Operations Management

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Saudi Electronic University

MGT 530

Control Chart

1)Detecting nonrandomness in errors can be done using:

A.MSEs.

B.            MAPs.

C.            control charts.

D.            correlation coefficients.

E.            strategies.

 

2. Which of the following is used for constructing a control chart?

A.            mean absolute deviation

B.            mean squared error

C.            tracking signal

D.            bias

 

Gant t Chart

3. The chart used to review the overall sequence of an operation by focusing on the movements of either the operator or materials is called a:

A.            simo chart.

B.            Gantt chart.

C.            worker-materials chart.

D.            flow process chart.

E.            multi-activity chart.

 

4. The symbols for operation, storage, transportation, inspection, and delay would usually be found on which type of chart?

A.            flow process

B.            Gantt

C.            simultaneous motion

D.            worker-machine

E.            delay analysis

 

5. The chart used to focus on busy and idle portions of a work cycle is a:

A.            worker-machine chart.

B.            Gantt chart.

C.            simo chart.

D.            idle chart.

E.            flow process chart.

 

Productivity

6. Productivity is expressed as:

A.            output plus input.

B.            output minus input.

C.            output times input.

D.            output divided by input.

E.            input divided by output. 

7. Which of the following is not a factor that affects productivity?

A.            computer viruses

B.            design of the workspace

C.            use of the Internet

D.            standardizing processes

E.            product price

 

8. Which of these factors would be least likely to affect productivity?

A.            methods and technology

B.            workers

C.            management

D.            product mix

E.            advertising

 

9. Which of the following is not a key step toward improving productivity?

A.            developing productivity measures for all operations

B.            improving the bottleneck operations

C.            establishing reasonable goals for improvement

D.            considering incentives to reward workers

E.            converting bond debt to stock ownership

 

10. The ratio of good output to quantity of raw material input is called

A.            nondefective productivity.

B.            process yield.

C.            worker quality measurement.

D.            total quality productivity.

E.            quantity/quality ratio.

 

11. A productivity increase in one operation that does not improve overall productivity of the business is not

A.            worthwhile.

B.            trivial.

C.            competence-destroying.

D.            an order winner.

E.            an order qualifier.

 

12. Value added can be calculated by:

A.            average productivity gains over time.

B.            inputs divided by the outputs.

C.            outputs divided by the inputs.

D.            input plus output divided by two.

E.            outputs minus inputs.

 

13. In an assembly operation at a furniture factory, six employees assembled an average of 450 standard dining chairs per five-day week. What is the labor productivity of this operation?

A.            90 chairs/worker/day

B.            20 chairs/worker/day

C.            15 chairs/worker/day

D.            75 chairs/worker/day

E.            60 chairs/worker/day

 

14. Which of the following is not a key factor of competitiveness?

A.            price

B.            product differentiation

C.            flexibility

D.            after-sale service

E.            size of organization

 

 

15. The manager of a carpet store is trying to determine the best installation crew size. He has tried various crew sizes with the results shown below. Based on productivity, what crew size do you recommend?

A.            2

B.            3

C.            4

 

16. Gourmet Pretzels bakes soft pretzels on an assembly             line. It currently bakes 800 pretzels each eight-hour shift. If the production is increased to 1,200 pretzels each shift, then productivity will have increased by:

A.            50 percent.

B.            33 percent.

C.            25 percent.

D.            67 percent.

 

17. The weekly output of a fabrication process is shown below, together with data for labor and material inputs. Standard selling price is $125 per unit. Overhead is charged weekly at the rate of $1,500 plus .5 times direct labor cost. Assume a 40-hour week and an hourly wage of $16. Material cost is $10 per foot. What is the average multifactor productivity?

A.            1.463

B.            1.457

C.            1.431

 

18. Which of the following factors would tend to reduce productivity?

A.            improvements in workplace safety

B.            reductions in labor turnover

C.            more inexperienced workers

D.            reductions in the scrap rate

E.            less variety in the product mix

 

19. Suppose a country's productivity last year was 84. If this country's productivity growth rate of 5 percent is to be maintained, this means that this year's productivity will have to be:

A.            88.2.

B.            79.8.

C.            82.8.

D.            78.9.

E.            4.2.

 

Delayed differentiation

20. Which of the following is an example of a postponement tactic?

A.            mass customization

B.            standardization

C.            process mapping

D.            delayed differentiation

E.            service blueprinting

 

21. When determining the timing and degree of capacity change, one can use the approach of:

A.            lead time flexibility strategy.

B.            expand early strategy.

C.            wait-and-see strategy.

D.            backordering.

E.            delayed differentiation.

 

Mass customization

22. What is credited with gains in industrial productivity, increased standards of living, and affordable products?

A.            personal computers

B.            the Internet

C.            mass transportation

D.            mass production

E.            multilevel marketing

 

 

23. Which of the following is not an ongoing trend in manufacturing?

A.            globalization

B.            quality improvement

C.            flexibility and agility

D.            mass production for greater economies of scale

E.            technological advances