1) The study of scientific metrology deals with
a. accuracy and methods of measurement
b. standard specifications
c. theories related to nature
d. all of the above
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2) Which of the following processes is used to monitor space signals of a space craft?
a. Stroboscope
b. Telemetry
c. Pyrometer
d. None of the above
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3) Match the following Group 1 items (Grades) with Group 2 items (application) and select the correct option
1. Grade I ----------------------------------- A. high precision task
2. Grade II ---------------------------------- B. comparators
3. Grade 00 --------------------------------- C. inspection department
4. Calibration grade ----------------------- D. production
a. 1-A, 2-C, 3-D, 4-B
b. 1-C, 2-D, 3-A, 4-B
c. 1-B, 2-A, 3-C, 4-D
d. 1-D, 2-B, 3-A, 4-C
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4) Which of the following is not a type of direct measuring instrument?
a. micrometer
b. vernier caliper
c. divider
d. All of the above
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5) Johansson mickrocator is a type of
a. mechanical optical comparator
b. mechanical comparator
c. optical comparator
d. electrical comparator
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6) Which of the following statements are true?
1. Mechanical comparators are compact and easy to handle
2. Parallax error is never observed in mechanical comparator
3. Sigma comparator is a type of mechanical comparator
4. Mechanical comparators have low inertia which makes them sensitive to vibrations
a. 1 and 2
b. 3 and 4
c. 1 and 3
d. All of the above
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7) Which method is used to test the straightness of an object?
a. Indicator method
b. Interference method
c. Wedge method
d. All of the above
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8) What is a least square line?
a. A line which has sum of errors minimum
b. A line which has sum of difference of errors minimum
c. A line which has sum of squares of errors minimum
d. None of the above
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Answer
Explanation
Related Ques
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ANSWER: A line which has sum of squares of errors minimum
Explanation:
No explanation is available for this question!
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9) What does allowance represent in clearance fits?
a. It represents minimum clearance and is positive
b. It represents maximum clearance and is positive
c. It represents minimum clearance and is negative
d. It represents maximum clearance and is negative
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Answer
Explanation
Related Ques
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ANSWER: It represents minimum clearance and is positive
Explanation:
No explanation is available for this question!
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10) Which of the following statements is/are false?
a. Interference is observed in tight fit
b. Allowance represents minimum interference for interference fits
c. Clearance is observed in push fit
d. All of the above
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Answer
Explanation
Related Ques
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ANSWER: Allowance represents minimum interference for interference fits
Explanation:
No explanation is available for this question!
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11) A surface of 2.1 mm is to be measured using a interferometer. Calculate nominal fraction for blue light which has wavelength of 0.785 μm.
a. 0.8280
b. 0.5350
c. 0.3185
d. 0.1910
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12) An interferometer is used to measure a surface of 1.85 mm. Calculate number of fringes, when λ = 0.659 μm.
a. 5614.567
b. 5000.236
c. 2807.283
d. None of the above
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13) Match the following Group 1 items with Group 2 items
1. Flaw ---------------------------------------------- A. Secondary texture
2. Actual surface ---------------------------------- B. Surface which does not exist
3. Nominal surface ------------------------------- C. Primary texture
4. Waviness ---------------------------------------- D. Designer prescribes the surface
5. Roughness --------------------------------------- E. Irregularities occurring at one place
a. 1 - A, 2 - B, 3 - D, 4 - C, 5 - E
b. 1 - D, 2 - E, 3 - D, 4 - C, 5 - C
c. 1 - E, 2 - D, 3 - B, 4 - A, 5 - C
d. 1 - C, 2 - A, 3 - D, 4 - B, 5 - E
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14) What does effective profile mean, while defining a surface texture?
a. Workpiece having repetitive irregularities
b. Roughness can be measured in this imaginary profile
c. Real contour of a surface
d. All of the above
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15) Which thread has a combined strength of square thread and V thread?
a. Acme thread
b. Knuckle thread
c. Buttress thread
d. British standard Whitworth thread
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16) Why are pitch errors observed in threads?
a. Lack of inspection
b. Incorrect ratio of tool work velocity
c. Interference between mating parts
d. All of the above
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17) Spiral gears are used to transmit power when the shafts are
a. parallel
b. interesting
c. parallel and intersecting
d. neither parallel nor intersecting
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18) Which of the following statements is/are true?
a. Parkinson's gear tester is used to measure variation in centre distance
b. Tool maker's microscope is used to measure tooth thickness
c. Teeth having wider flanks have less strength
d. All the above statements are true
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Answer
Explanation
Related Ques
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ANSWER: Parkinson's gear tester is used to measure variation in centre distance
Explanation:
No explanation is available for this question!
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19) Universal measuring machine is a combination of
a. Tool maker's microscope and Parkinson's gear tester
b. Tool maker's microscope and optical measuring machine
c. Parkinson's gear tester and optical measuring machine
d. None of the above
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Answer
Explanation
Related Ques
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ANSWER: Tool maker's microscope and optical measuring machine
Explanation:
No explanation is available for this question!
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20) Which among the following machines can inspect geometric features of different components?
a. Co-ordinate measuring machines
b. Universal measuring machines
c. Both a. and b.
d. None of the above
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21) Match the following group 1 items (Authors) with group 2 items (Definitions)
1. Juran ------------------------------------------------- A. Quality is conformance to requirements
2. Crossby --------------------------------------------- B. Quality in essence is a way of managing the organization
3. Hoshin ----------------------------------------------- C. Quality is fitness for use
4. Feigenbaum ----------------------------------------- D. Quality is correcting and preventing loss,not living with loss
a. 1 – A, 2 – D, 3 – B, 4 – C
b. 1 – C, 2 – A, 3 – D, 4 - B
c. 1 – B, 2 – A, 3 – C, 4 - D
d. 1 – D, 2 – A, 3 – B, 4 - C
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22) According to ISO 8402, quality is defined as
a. the totality of features and characteristics of a product or service that bears on its ability to satisfy given needs
b. the totality of features and characteristics of a product or service that bears on its ability to satisfy stated or implied needs
c. the minimum loss imparted by the product to satisfy from the time the product is dispatched
d. none of the above
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Answer
Explanation
Related Ques
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ANSWER: the totality of features and characteristics of a product or service that bears on its ability to satisfy stated or implied needs
Explanation:
No explanation is available for this question!
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23) Who among the following suggested seven quality tools for controlling quality?
a. Juran
b. Kaoru Ishikawa
c. Dr. W. Edward Deming
d. Feigenbaum
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24) Fish bone diagram is also known as?
a. Cause and effect chart
b. Ishikawa diagram
c. Both a. and b.
d. None of the above
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25) Which among the following is a type of control chart for variables?
a. C chart
b. P chart
c. X chart
d. U chart
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26) The distribution of measured data can be studied by using
a. X chart
b. R chart
c. both X and R chart
d. None of the above
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27) 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
a. 1.123
b. 0.1932
c. 0.789
d. None of the above
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28) What are the factors causing sampling error?
a. method of sample selection
b. sample size
c. both a. and b.
d. none of the above
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29) What is the aim of fool proofing technique used for total quality management?
a. to achieve zero defects
b. to specify time schedules
c. to specify targets
d. none of the above
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30) Match the following group 1 items with group 2 items
1. Sort -------------------------------------------------- A. Seitan
2. Set in order ----------------------------------------- B. Seiketsu
3. Shine ------------------------------------------------ C. Seiri
4. Standardize ---------------------------------------- D. Seiso
a. 1 – D, 2 – A, 3 – B, 4 – C
b. 1 – C, 2 – A, 3 – D, 4 – B
c. 1 – B, 2 – C, 3 – A, 4 – D
d. 1 –A, 2 – C, 3 – D, 4 – B
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