Dynamics of Machinery Test Questions


Q.  Which of the following statements is/are true primary/secondary couple? 1. Secondary couple does not act on V engine 2. Primary couple acts on V engine 3. Secondary couple acts on reciprocating masses of multi-cylinder inline engines 4. Primary couple acts on reciprocating masses of multi-cylinder inline engines

a. 1 and 2
b. 2, 3 and 4
c. 1, 3 and 4
d. All of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Temperature monitoring technique uses which of the following devices to measure temperature of the machining surfaces?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the function of the controller in active vibration isolation systems?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Transmissibility is the ratio of ______
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following statements is/are false for pneumatic isolators ? 1. Pneumatic isolators are used when driving frequencies below 10 Hz are present 2. Nausea is caused due to noise at low frequencies 3. At high natural frequencies, isolators can obtain efficiency of 90% 4. Pneumatic isolators have limited load carrying capacity
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following statements is/are true for elastomers?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which of the following methods can be used to control the noise level at source?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What is the function of frequency analyzer?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which instrument integrates sound pressure as a function of time over a period of time?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What are the adverse effects of noise on the organizations?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The process of maintaining appropriate noise level without considering economic factors is called as _____
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  When a person enters a far field from a near field, the sound pressure level drops off at the rate of _______
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  What happens when sound waves impinge on fiber boards?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The resonant frequency of a mass-spring system depends upon ________
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Elastomeric foam used as a sound absorber is made of ___________
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Which part of the human ear is divided by the basilar membrane?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Calculate logarithmic decrement if damping factor is 0.33.
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Determine logarithmic decrement, if the amplitude of a vibrating body reduces to 1/6th in two cycles.
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  In metallography, microscopic method provides information about _____
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The study of metallographic includes ____
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  In microscopy, which illumination parameter is used for producing images with dark non-flat structure and bright back ground?
Category: Mechanical Engineering Questions,   Published by: teswesm