Lean six sigma green belt exam questions and answers-Sample Paper

  • While conducting FMEA, if preventive controls are present , what rating will you give to Detection (given scale of 1 to 10)
  1. One
  2. Two
  3. Ten
  4. depends

 

  • If net available time is 7 hours and demand is 100,000 pieces per month, what is takt time ? 
  1. 6.3 sec
  2. 63 sec
  3. 4.2 sec
  4. 42 sec

 

  • Assume that a process has 4 steps . Step A takes 10 secs, step B takes 20 secs, Step C takes 15 secs and step D takes 8 seconds, what is the cycle time ?
  1. 20 secs
  2. 8 secs
  3. 53 secs
  4. Data Insufficient

 

  • In the above case, what is through-put time ?
  1. 20 secs
  2. 8 secs
  3. 53 secs
  4. Data Insufficient

 

  • Calculate OEE for the given data ; Availability -90%, Performance Rate is 90%, Quality rate is 90%
  1. 73%
  2. 90%
  3. 87%
  4. 81%

 

  • Six Sigma has been labeled
  1. as a metric,
  2. a methodology
  3. a management system
  4. all

 

  • Six Sigma equates to
  1. 4 defects per million opportunities (DPMO)
  2. 5 DPMO
  3. 6 DPMO
  4. 3.4 DPMO

 

  • Kaizen means
  1. Continuous Improvement
  2. Problem Solving
  3. Mistake Proofing
  4. None of the above

 

  • In this stage of team formation, Six Sigma teams show a high dependence on leadership for guidance and direction. The team’s purpose, objectives, and scope of work must be clearly communicated by the leader.  A true team does not yet exist.  In their own minds, team members are clarifying what the task assignment is and what it means to them personally and individually.  Team roles and responsibilities are unclear and members may participate reluctantly. This stage is called as
  1. Forming Stage
  2. Storming Stage
  3. Norming Stage
  4. Performing Stage

 

  • A typical six Sigma Organization has
  1. Sponsor
  2. Champion
  3. Process Owners
  4. Yellow Belts, Green Belts, Black Belts
  5. All – Sponsor, Champion, Process Owners, Yellow Belts, Green Belts, Black Belts

 

  • SIPOC is
    1. Supplier, Input, Process, Output, Customer
    2. Supplier, Input, Process, Output, Creator
    3. Supplier, Inlet, Process, Output, Customer
    4. Set Up, Input, Process, Output, Customer

 

  • VOC can be collected through
    1. Customer Interview
    2. Focus Groups
    3. Customer Communication
    4. All – Customer Interview, Focus Groups and Customer Communication

 

  • Strength of Kaizens are :
    1. Minimal team training needs
    2. Rapid deployment
    3. Simple data gathering tools
    4. Implement changes quickly

 

  • Pareto is a
    1. Bar Chart
    2. Pie Chart
    3. Histogram
    4. None of the above

 

  • Match the following
    1. Discrete Data           1 .Billing Error
    2. Discrete Data           2 .Customer type
    3. Continuous data     3 .Length
    4. Continuous data      4.Cycle time

 

  • Find out the median – 1,3,5,7,9
    1. 1
    2. 3
    3. 5
    4. 7

 

  • Suppose that a project is focused on a billing process. The team wants to have correct bills sent to the customer.  They have defined one opportunity for this process – either the bill is correct or not.  All of the bills produced are the same in terms of complexity.  The team took a sample of 250 bills and found 60 defects. The DPMO level is :
    1. 240,000
    2. 120,000
    3. 1200
    4. 2400

 

  • State true or false : Ppk can be considered actual process performance and Cpk is what the process is capable of doing if there is no between subgroup variability

 

  • Warranty costs and associated call center costs are examples of:
    1. COPQ
    2. Internal Failure Cost
    3. External Failure Cost
    4. None

 

  • These are the tools to find out root-cause
    1. Histogram
    2. Box Plot
    3. Scatter Plot
    4. Run Chart
    5. All

 

  • Following test is used to check the Normality of Data
    1. Anderson Darling Test
    2. Fisher’s Test
    3. Proctar’s Test
    4. Robinson Darling Test

 

  • Scrap and rework are examples of
    1. Internal Failure Costs
    2. External Failure Costs
    3. COPQ
    4. None

 

  • Match the following in reference to the Elements of project Charter
    1. Business – Case
    2. Project – Scope
    3. Team – Selection
    4. Problem – Statement

 

  • Cost of Poor Quality in relation to Cost of Quality?
    1. Is always more
    2. Can be more or less
    3. Is always less
    4. Both are equal

 

  • Which of the following is not a Key Element of a Project Charter?
    1. Goal Statement
    2. Business case
    3. Problem Statement
    4. Benefit Statement

 

  • According to Pareto rule 80% of the problems are caused by how many % of causes?
    1. 10%
    2. 80%
    3. 20%
    4. 5%

 

  • The statistics that summarize a population are referred to as
    1. categorical statistics
    2. descriptive statistics
    3. probabilistic statistics
    4. control statistics

 

  • Which of the following tools is used to translate broad requirements into specific requirements?
    1. A quality control plan
    2. The theory of constraints (TOC)
    3. A critical to quality (CTQ)
    4. A process flowchart

 

  • Statistical process control (SPC) is best defined as the use of
    1. Pareto charts to understand and control a process
    2. inputs to control critical and complex processes
    3. statistical methods to identify and remove manufacturing errors
    4. statistical methods to understand and control a process

 

  • ’30 inches is thrice as long as 10’ inches – belongs to which category of measurement scales?
    1. Nominal
    2. Ordinal
    3. Interval
    4. Ratio

 

  • A measurement system analysis is designed to assess the statistical properties of 
    1. gage variation
    2. process performance
    3. process stability
    4. engineering tolerances

 

  • An MSA team made 5 random measurements on a store’s incoming weighing balance against a master of 10 Kg. The balance was calibrated & ready to use. The following data were obtained: 10.05, 10.00, 9.95, 9.95and 10.00. The bias for the data is:
    1. 01 Kg
    2. -0.01 Kg
    3. +0.01 Kg
    4. Information provided is inaccurate

 

  • If the bias of a measurement system is -0.01 Kg, it implies
    1. On an average, the output of this measurement system will be less than the true weight of the object
    2. The output of this measurement system will always be less than the true weight of the object being measured.
    3. Cannot draw any valid conclusion from the data
    4. The output of this measurement system will always be more than the true weight of the object being measured

 

  • During a self-assessment for an audit, a quality engineer assigned a rating of 7 to 10 items, 4 to 20 items, 3 to 30 items, 2 to 10 and 1 to remaining items from a total of 10. The mean rating is
    1. 9
    2. 3
    3. 5
    4. 5

 

  • Standard deviation represents:
    1. Location of data
    2. The Scatter of data
    3. The shape of the data
    4. Both, location and scatter of data

 

  • The best measure of central tendency is:
    1. Mean
    2. Median
    3. Mode
    4. Cannot say

 

  • If you add a constant to each data value
    1. The mean increases
    2. The mean decreases
    3. The constant value gets added to the mean
    4. It does not affect the mean

 

  • Which of the following helps in identifying outlier in data set
    1. Run Chart
    2. Box and Whisker Plots
    3. Histogram
    4. Normal Probability Plot

 

  • To evaluate whether a change in one variable influences a change in another variable or not, one should use:
    1. Histogram
    2. Normal Probability Plot
    3. Scatter Plot
    4. Run Chart

 

  • A certain process has a Cp of 2, it means
    1. This process is the least likely to produce defects
    2. This process is running at a Six Sigma Level
    3. Can’t ascertain the performance with the given data
    4. Can be both ‘a’ and ‘b’

 

  • To ascertain the long-term capability of a process, which of the following assumptions must hold good?
    1. Process must be stable
    2. Process should be in a state of Statistical Control
    3. Process must not be producing any defects
    4. Process must be both stable & in a state of Statistical Control

 

  • Which of the following measures is used to show the ratio of defects to units?
  1. DPU
  2. DPO
  3. DPMO
  4. PPM

 

  • For value flow analysis to be effective, a team must take which of the following steps first?
    1. Define the value stream
    2. Eliminate backlogs in the value stream
    3. Identify overlapping functions in the value stream
    4. Identify specific work practices within the value stream

 

  • For a normal distribution, two standard deviations on each side of the mean would include what percentage of the total population?
    1. 95%
    2. 68%
    3. 47%
    4. 34%

 

  • Which of the following is the key objective of a six sigma project?
  1. Developing detailed control charts for critical processes
  2. Developing a matrix to understand the how’s and what’s of a problem process
  3. Reducing variation in critical processes
  4. Reducing investment costs while improving output quality

 

 

  • Reproducibility is?
    1. Variation in the average of measurements when same operator measure the same part.
    2. Variation in the average of measurements when different operators measure the different parts.
    3. Variation in the average of measurements when different operators measure the same part.
    4. None of the above

 

  • Which of the following is an example of mistake- proofing?
    1. Using an R – X chart to prevent errors
    2. Using 100% inspection to detect and contain defects
    3. Using color coding as an error signal
    4. Having the team that created the errors repair them

2 Replies to “Lean six sigma green belt exam questions and answers-Sample Paper”

  1. An amazing article. Thanks for sharing valuable information. Do you also provide training on Six Sixma Green Belt Certification?

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