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MCQs 1: Fish bone diagram is also known as?

Cause and effect chart Ishikawa diagram Both a. and b. None of the above
Answer Explanation

MCQs 2: Which among the following is a type of control chart for variables?

C chart P chart X-bar chart U chart
Answer Explanation

MCQs 3: The distribution of measured data can be studied by using

X-bar chart R chart both X-bar and R chart None of the above
Answer Explanation

MCQs 4: In a lot size of 10000, probability of acceptance is 0.483 for 0.4% defectives. The number of defectives are not replaced, assume np' = 1.36. Calculate % average outgoing quality

1.123 0.1932 0.789 None of the above
Answer Explanation

MCQs 5: What are the factors causing sampling error?

method of sample selection sample size both a. and b. none of the above
Answer Explanation

MCQs 6: What is the aim of fool proofing technique used for total quality management?

to achieve zero defects to specify time schedules to specify targets none of the above
Answer Explanation

MCQs 7: Which of the following statements is/are true?

Pyrometer is a non-contact type of instrument Stroboscope is a contact type of instrument Micrometer is a non-contact type of instrument All of the above
Answer Explanation

MCQs 8: Which of the following causes is/are responsible for systematic errors?

non linearity change in sensitivity zero offset All of the above
Answer Explanation

MCQs 9: Which among the following is an optical instrument?

angle dekkor autocollimator both a. and b. none of the above
Answer Explanation

MCQs 10: Which type of comparator changes its magnification, when distance between cross strip hinge and knife edge is varied?

Johansson mickrocator Solex pneumatic comparator Projector comparator Sigma comparator
Answer Explanation

MCQs 11: Overall magnification of optical comparators is given as

(4 d / f) x ( magnification of eye piece) (2 f / d) x ( magnification of eye piece) (4 f / d) x ( magnification of eye piece) (2 d / f) x ( magnification of eye piece)
Answer Explanation

MCQs 12: Indicator method is used to test

straightness squareness flatness all of the above
Answer Explanation

MCQs 13: What is a loose running fit?

Loose running fit has minimum clearance They can be used in textile machinery Used in high precision task All the above
Answer Explanation

MCQs 14: Which among the following is a type of clearance fit?

Force fit Push fit Slide fit Tight fit
Answer Explanation

MCQs 15: Which type of fringe is formed, if a path difference of λ/2 is observed in an interference pattern?

Dark fringe Bright fringe Both bright and dark fringe overlap Unpredictable
Answer Explanation

MCQs 16: Which among the following causes first order surface irregularity?

Lack of straightness Lack of rigidity Feed and speed Vibrations
Answer Explanation

MCQs 17: Which among the following is a type of direct measuring instrument of roughness?

Micro interferometer Wallace surface dynamometer Profilometer None of the above
Answer Explanation

MCQs 18: Which type of errors show linear relation between cumulative pitch error and length of thread?

Periodic errors Progressive errors Both a. and b. None of the above
Answer Explanation

MCQs 19: What is used to measure the major diameter of an external thread?

Bench micrometer Thread micrometer One wire method All of the above
Answer Explanation

MCQs 20: Smooth motion in involute tooth profile is possible due to

variation in pressure angle constant pressure angle Both a. and b. None of the above
Answer Explanation

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