Checking of Geometrical Parameters - Mechanical Engineering (MCQ) questions and answers

1)   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
Answer  Explanation 

ANSWER: Wedge method

Explanation:
No explanation is available for this question!
2)   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
Answer  Explanation 

ANSWER: A line which has sum of squares of errors minimum

Explanation:
No explanation is available for this question!
3)   Indicator method is used to test

a. straightness
b. squareness
c. flatness
d. all of the above
Answer  Explanation 

ANSWER: squareness

Explanation:
No explanation is available for this question!
4)   The out of roundness δ for least square circle is given as

a. δ = δp - δv
b. δ = δp + δv
c. δ = δr
d. None of the above
Answer  Explanation 

ANSWER: δ = δp + δv

Explanation:
No explanation is available for this question!
5)   Which error is observed due to lack of squareness when depth is measured using depth micrometer?

a. parallax error
b. cosine error
c. sine error
d. all of the above
Answer  Explanation 

ANSWER: cosine error

Explanation:
No explanation is available for this question!
6)   Which type of circularity reference circle is shown below ?
Condition given out of roundness δ = δr

a. Minimum inscribed circle
b. Minimum circumscribed circle
c. Least square circle
d. Minimum zone circle
Answer  Explanation 

ANSWER: Minimum zone circle

Explanation:
No explanation is available for this question!
7)   In the diagram shown below, what is the distance between A and B called as ?

a. Radial throw
b. Runout
c. Radial runout
d. None of the above
Answer  Explanation 

ANSWER: Runout

Explanation:
No explanation is available for this question!
8)   What is/are the factor(s) causing runout?

a. Error of position
b. Error of bearings
c. Both a and b
d. None of the above
Answer  Explanation 

ANSWER: Both a and b

Explanation:
No explanation is available for this question!
9)   What is error of circularity?

a. Distance between maximum inscribing circle and minimum circumscribing circle measured radially
b. Distance between maximum inscribing circle and minimum zone circle measured radially
c. Distance between least square circle and minimum zone circle measured radially
d. None of the above
Answer  Explanation 

ANSWER: Distance between maximum inscribing circle and minimum circumscribing circle measured radially

Explanation:
No explanation is available for this question!
10)   Which of the following is tested for parallelism between trajectory and a plane?

a. plane is on a component which moves
b. plane is on a component which does not moves
c. both a. and b.
d. none of the above
Answer  Explanation 

ANSWER: both a. and b.

Explanation:
No explanation is available for this question!

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