DMAIC-IMROVE & CONTROL (BLACK BELT)

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Correo *

1. Which of the following statements is TRUE about the IMPROVE phase? *

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The emphasis of this phase goes from being analytical to being creative

Validation of the root cause is the main purpose of this phase

Evaluate alternative solutions for improving the process

The main deliverable of this phase is implementing control systems for critical x’s

2. The team leader knows that the issue at hand is controversial and might lead to heated discussion among team members. What is the best technique to be used in such situation: *

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Nominal group technique

Brainstorming

Benchmarking

Avoid the discussion and elect best solution based on voting

3. The following points are true about Structured brainstorming, except: *

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It is spontaneous, and participants do not feel rigid and restrictive.

“Round Robin” or “One-at-a-time” are methods of structured brainstorming

Each person has an equal chance to participate, regardless of rank and personality

One idea is solicited from each person in sequence

4. ___________ is the process of measuring products, services, and processes against those of organizations known to be leaders in one or more aspects. *

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Benchmarking

Creative thinking

De Bono six thinking hats

Gap analysis

5. The main output of the “Improve” phase is: *

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Approved Project Charter

Improved Process ready for hand over

Selected Solution

Baseline Capability

6. In which of the following techniques does it seem logical for someone to offer caution or opinion against a possible solution: *

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Creative Thinking by Six De Bono Hats

Creative Thinking by Probing

Value Add/ Non Value Add Analysis

Simulations

7. Source of information in benchmarking can be the following, except: *

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Insider information from existing employees of the organization being benchmarked

Exchange services which collect benchmarking information and make it available for a fee

Academic research

Your suppliers can be great source for information

8. Which of the following are examples of pilot? *

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Implementation for a select group of customers

Implementation at a single site

Limited time offers

All of the above

9. If you want to generate a lot of ideas in a short span of time, then the best technique to use is: *

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Pugh Matrix

Creative Thinking by probing

Nominal Group Technique

Brainstorming

10. Which of the following techniques can be used to evaluate potential solutions: *

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SWOT, Forcefield Diagrams and PEST

Brainstorming, Creative Thinking by probing and Six De Bono Hats, Benchmarking

Cause and Effect, Pareto, Hypothesis Testing, ScatterPlot

Nominal Group Technique, Multivoting, Simulations, Pugh Matrix

11. Which of the following techniques can be used to generate potential solutions: *

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SWOT, Forcefield Diagrams and PEST

Brainstorming, Creative Thinking by probing, Benchmarking

Cause and Effect, Pareto, Hypothesis Testing, Scatterplot

Delphi, Multivoting, Simulations, Pugh Matrix

12. A family of 4 wants to watch a movie on the weekend and they are unable to reach a consensus on the one they should watch. They decide to do multivoting to know top 3 preferred movies for each family member. Their votes are like this – (A, B, C); (B, C, D); (B, A, E); (B, A, D) Which movie will they watch: *

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13. Which of the following steps is not a part of the Pilot Plan: *

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Creating a Control Plan

Communication to Stakeholders

Training the Pilot Group

Creating a Pilot Plan

14. The Improve Phase would not include which step: *

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Getting the sponsor’s sign off

Shortlisting Solution

Implementing and Validating Solution

Generate Possible Solutions

15. Which of the following is not true about unstructured brainstorming? *

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Participants simply contribute ideas as they come to mind

The participants may build off each others’ ideas

Each person has an equal chance to participate, regardless of rank and personality

The atmosphere is very informal and might be very hectic

16. ____________ is the process of taking solutions from the project and applying it to similar type of processes *

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Benchmarking

Replication

Poka-Yoke

Standardization

17. A process is “stable”. Describe the types of variation that exists in the process. *

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Out-of-the-ordinary variation

Special cause variation

Non-random variation

Chance cause variation

18. After project wrap-up, management may devise rewards to recognize the work and success of the team. Why is this required? *

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It drives process excellence philosophy within the organization and managing change becomes simpler

It recognizes the team’s efforts and communicates it effectively, encouraging the team to create new business

It assures that high standard of quality is met, ultimately leading to customer satisfaction

All of the above

19. In the case of ________, each observation is plotted as a separate data point. *

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P chart

X-bar and S chart

X-bar and R chart

I chart

20. A Control chart can help *

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Detect the special cause variation in a process

Detect the source of special cause variation in a process

Prevent the special cause variation in a process

Detect the source of common cause variation in a process

21. The ATM pin getting locked after 3 unsuccessful attempts is an example of: *

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Visual Aid

Kanban

Shutdown Poka-yoke

Andon Cord

22. The following are TRUE for control plan, except: *

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It is a written summary of the systems used in minimizing process and service variation

It includes reaction plan for out-of-specification processes

Control plan cannot be altered once finalized

It includes sampling, inspection and testing plan in the control phase

23. The following give their sign-off to confirm that the project has met its objectives and is ready for hand-off: *

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Sponsor

Financial Analyst

Process Owner

All of the above

24. What type of variation is undesirable when trying to control a process? *

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Normal variation

Chance cause variation

Special cause variation

Random cause variation

25. What types of variation does a process have if it is "in control"? *

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Process has assignable or chance causes

Process has assignable causes

Process has random causes only

Process has assignable and chance causes

26. Which of the following control charts is most appropriate for monitoring the number of defects on different sample sizes? *

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27. The purpose of using control charts is to determine *

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if the process is performing within specifications

evaluate process performance over time

determine how to recreate the process

detect the causes of nonconformities

28. Which of the following performance measures is most appropriate for evaluating the tangible effects of a six sigma project? *

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Cycle time

Team member absentee rate

Employee morale

Unsolicited compliments from customers

29. Which of the following is the best way to enhance the long-term availability of a machine? *

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Machine repair

Total productive maintenance

Computerized SPC systems

Increased operator training

30. A black belt is developing a failure mode and effects analysis (FMEA) for the hamburger preparation station in a fast-food restaurant. The following ratings were developed for the low-heat temperature failure mode. Severity = 9; Occurrence = 2; Detection = 1; What is the risk priority number (RPN) for this FMEA?

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31. A system that delivers products or services at the correct time and in the correct quantities is referred to as *

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takt time

kaizen

just-in-time

single-piece flow

32. Poka-yoke is best defined as *

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improving machine efficiency

reducing field failures to virtually zero

capturing the voice of the customer

preventing controllable defects

33. A company has installed a system that prevents orders with incorrect information from being forwarded to production scheduling. This is an example of which of the following lean tools? *

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Standard work

Kanban

Poka-yoke

Visual factory

34. Which of the following techniques dramatically shortens changeover times? *

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Continuous flow

Standard work

Single minute exchange of dies (SMED)

Work in process (WIP)

35. A store uses signs at specific points in its storage area to indicate when products need to be ordered. This practice is an example of

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kanban

poka-yoke

checkpoints

hoshin

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36. If the number of runs required for a full-factorial experiment is cost-prohibitive, which of the following experiments would have the same number of variables but fewer runs?

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Completely randomized factorial

Replicated factorial

Multilevel factorial

Fractional factorial

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37. A six sigma team has been chartered to improve the way in which a company takes orders for its products. Which of the following tools should the team use to determine all of the potential pitfalls and the actual defects that occur?

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Process failure mode and effects analysis

Design for six sigma

Supplier input process output control

Process map

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38. A change agent is responsible for helping the organization do which of the following?

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Overcome fear of the unknown

Reorganize departments

Determine performance criteria

Identify which group is responsible for failures

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39. Which of the following charts plots the mean of a set of values and recalculates the mean with each new value?

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Moving range

Moving average

X bar and s

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40. Which of the following tools is appropriate to use with multiple criteria requiring a single option to be selected?

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Pugh matrix

Kano model

Hypothesis testing

PDCA

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41. In comparison to a full-factorial design of experiment (DOE), a traditional, one-at-a-time approach will

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miss interactions

gain efficiencies

save time

cost less

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42. Which of the following techniques would help increase process stability when the cause of variation is a cluttered work station?

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SMED

Preventive maintenance

Visual factory

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43. Benchmarking is difficult to perform on processes that

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can be identified and researched easily

are practiced in many different industries

have a major impact on the success of the business

have not been documented

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