Home / Engineering / Dynamics of Machinery MCQs / Page 3

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.

M

Mr. Dubey • 51.43K Points
Coach

Q. 21) A system, which is free from both the ends

(A) Definite system
(B) Semidefinite system
(C) Both a and b
(D) None of the above
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 22) A system, which is fixed from one end or both the ends is referred as

(A) Definite system
(B) Semidefinite system
(C) Both a and b
(D) None of the above
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 23) In a system with different shaft parameters, the longest shaft is taken for calculations.

(A) TRUE
(B) FALSE
(C) ---
(D) ---
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 24) In a system with different shaft parameters ------------- is taken which depends on the length and diameters of each shaft.

(A) Equivalent shaft length
(B) length of first shaft
(C) lrngth of intermediate shaft
(D) None of these
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 25) 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

(A) 0.855m
(B) 0.795m
(C) 0.695m
(D) 0.595m
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 26) In balancing of single-cylinder engine, the rotating unbalance is ____________

(A) completely made zero and so also the reciprocating unbalance
(B) completely made zero and the reciprocating unbalance is partially reduced
(C) partially reduced and the reciprocating unbalance is completely made zero
(D) partially reduced and so also the reciprocating unbalance
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 27) 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.

(A) 50
(B) 25
(C) 50000
(D) 25000
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 28) Which of the following statement is correct?

(A) In any engine, 100% of the reciprocating masses can be balanced dynamically
(B) In the case of balancing of multicylinder engine, the value of secondary force is higher than the value of the primary force
(C) In the case of balancing of multimass rotating systems, dynamic balancing can be directly started without static balancing done to the system
(D) none of the mentioned
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 29) If all the masses are in one plane, then what is the maximum no. of masses which can be placed in the same plane?

(A) 3
(B) 4
(C) 6
(D) No limitation
View Answer Discuss Share

M

Mr. Dubey • 51.43K Points
Coach

Q. 30) Which of the following statements is correct about the balancing of a mechanical system?

(A) If it is under static balance, then there will be dynamic balance also
(B) If it is under dynamic balance, then there will be static balance also
(C) Both static as well as dynamic balance have to be achieved separately
(D) None of the mentioned
View Answer Discuss Share