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MCQs

Total Questions : 364 | Page 24 of 37 pages
Question 231. 7. Sine centre is used for measurement of
  1.    Included internal angle between two faces
  2.    Height of projected parts
  3.    Semi-angle of taper of a job
  4.    Flatness
 Discuss Question
Answer: Option C. -> Semi-angle of taper of a job
Question 232. The study of scientific metrology deals with
  1.    accuracy and methods of measurement
  2.    standard specifications
  3.    theories related to nature
  4.    all of the above
 Discuss Question
Answer: Option C. -> theories related to nature
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 233. Which method is used to test the straightness of an object?
  1.    Indicator method
  2.    Interference method
  3.    Wedge method
  4.    All of the above
 Discuss Question
Answer: Option C. -> Wedge method
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 234. Johansson mickrocator is a type of
  1.    mechanical optical comparator
  2.    mechanical comparator
  3.    optical comparator
  4.    electrical comparator
 Discuss Question
Answer: Option B. -> mechanical comparator
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 235. 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
  1.    1 and 2
  2.    3 and 4
  3.    1 and 3
  4.    All of the above
 Discuss Question
Answer: Option C. -> 1 and 3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 236. Which of the following is not a type of direct measuring instrument?
  1.    micrometer
  2.    vernier caliper
  3.    divider
  4.    All of the above
 Discuss Question
Answer: Option C. -> divider
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 237. Which of the following processes is used to monitor space signals of a space craft?
  1.    Stroboscope
  2.    Telemetry
  3.    Pyrometer
  4.    None of the above
 Discuss Question
Answer: Option B. -> Telemetry
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 238. What is a least square line?
  1.    A line which has sum of errors minimum
  2.    A line which has sum of difference of errors minimum
  3.    A line which has sum of squares of errors minimum
  4.    None of the above
 Discuss Question
Answer: Option C. -> A line which has sum of squares of errors minimum
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 239. Which of the following statements is/are false?
  1.    Interference is observed in tight fit
  2.    Allowance represents minimum interference for interference fits
  3.    Clearance is observed in push fit
  4.    All of the above
 Discuss Question
Answer: Option B. -> Allowance represents minimum interference for interference fits
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 240. What does allowance represent in clearance fits?
  1.    It represents minimum clearance and is positive
  2.    It represents maximum clearance and is positive
  3.    It represents minimum clearance and is negative
  4.    It represents maximum clearance and is negative
 Discuss Question
Answer: Option A. -> It represents minimum clearance and is positive
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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