Q. A system, which is free from both the ends
✅ Correct Answer: (B)
Semidefinite system
Dynamics of Machinery MCQs | Page - 3
Dear candidates you will find MCQ questions of Dynamics of Machinery here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. A system, which is fixed from one end or both the ends is referred as
✅ Correct Answer: (A)
Definite system
Q. In a system with different shaft parameters, the longest shaft is taken for calculations.
✅ Correct Answer: (B)
FALSE
Q. In a system with different shaft parameters ------------- is taken which depends on the length and diameters of each shaft.
✅ Correct Answer: (A)
Equivalent shaft length
Q. From the following data, calculate the location of node from the left end of shaft (l1).l1=0.6m, l2=0.5m, l3=0.4m d1=0.095m, d2=0.06m, d3=0.05m Ma = 900 Kg, Mb = 700 Kg ka = 0.85m, kb = 0.55m
✅ Correct Answer: (A)
0.855m
Q. In balancing of single-cylinder engine, the rotating unbalance is ____________
✅ Correct Answer: (B)
completely made zero and the reciprocating unbalance is partially reduced
Q. Let the disturbing mass be 100 kg and the radius of rotation be 10 cm and the rotation speed be 50 rad/s, then calculate the centrifugal force in kN.
✅ Correct Answer: (B)
25
Q. Which of the following statement is correct?
✅ Correct Answer: (C)
In the case of balancing of multimass rotating systems, dynamic balancing can be directly started without static balancing done to the system
Q. If all the masses are in one plane, then what is the maximum no. of masses which can be placed in the same plane?
✅ Correct Answer: (D)
No limitation
Q. Which of the following statements is correct about the balancing of a mechanical system?
✅ Correct Answer: (C)
Both static as well as dynamic balance have to be achieved separately
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