Synthesis of mechanism - Mechanical Engineering (MCQ) questions and answers

1)   What is meant by order defect?

a. The precision points are not properly configured
b. The links of mechanism do not cover all precision points
c. Both a. and b.
d. None of the above
Answer  Explanation 

ANSWER: The precision points are not properly configured

Explanation:
No explanation is available for this question!
2)   Why are graphical errors caused during function generation?

a. Choice of scale
b. Wrong graphical procedure
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!
3)   Which among the following is not a type of error found in function generation?

a. Structural error
b. Mechanical error
c. Graphical error
d. None of the above
Answer  Explanation 

ANSWER: None of the above

Explanation:
No explanation is available for this question!
4)   Which among the following is/are classified under synthesis problem?

a. Path generation
b. Function generation
c. Body guidance
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!
5)   Find out three precision points using 'Chebyshev Spacing Rule' for the interval 10 to 25

a. 30, 17.5, 23.96
b. 30, 30, 30
c. 11, 17.5, 23.96
d. None of the above
Answer  Explanation 

ANSWER: 11, 17.5, 23.96

Explanation:
No explanation is available for this question!
6)   Why is an overlay method used in synthesis of a function generation?

a. It is used to generate precision positions in four bar mechanism
b. It is used to generate precision positions in slider crank mechanism
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!
7)   Which of the following statements is/are true for errors in function generation?

a. At precision points structural error is zero
b. Structural errors exist only if mechanical errors exist in synthesized mechanism
c. Structural errors cannot be reduced by increasing number of precession points
d. All of the above
Answer  Explanation 

ANSWER: At precision points structural error is zero

Explanation:
No explanation is available for this question!
8)   Branch defect is observed in

a. grashof type four bar chain linkage
b. non-grashof type four bar chain linkage
c. both grashof and non-grashof type four bar chain linkage
d. none of the above
Answer  Explanation 

ANSWER: grashof type four bar chain linkage

Explanation:
No explanation is available for this question!
9)   Which equation is known as Freudenstein's equation?

a. K1 – sin Φ – K2 sin θ + K3 = sin ( θ + Φ)
b. K1 – cos Φ – K2 cos θ + K3 = cos ( θ + Φ)
c. K1 – sin Φ – K2 sin θ + K3 = sin ( θ - Φ)
d. K1 – cos Φ – K2 cos θ + K3 = cos ( θ - Φ)
Answer  Explanation 

ANSWER: K1 – cos Φ – K2 cos θ + K3 = cos ( θ - Φ)

Explanation:
No explanation is available for this question!
10)   According to synthesis of mechanism, which synthesis step includes degree of freedom for a specified motion?

a. Type synthesis
b. Number synthesis
c. Dimensional synthesis
d. All of the above
Answer  Explanation 

ANSWER: Number synthesis

Explanation:
No explanation is available for this question!

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