Dynamics of Machinery Test Questions

Q.  Which type of instruments do not require separate power source for measuring vibratory response of a vibratory system?

a. Active instruments
b. Passive instruments
c. Both a. and b.
d. None of the above


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The study of metallographic includes ____
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MCQs:  In microscopy, which illumination parameter is used for producing images with dark non-flat structure and bright back ground?
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MCQs:  What is meant by recalescence in cooling curves?
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MCQs:  The cooling curve formed when a material is solidified due to latent heat of fusion is called as ______.
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MCQs:  Austenite phase in Iron-Carbon equilibrium diagram _______
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MCQs:  What is the crystal structure of δ-ferrite?
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MCQs:  Which of the following phases has a complex orthorhomic crystal structure?
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MCQs:  In Iron-Carbon equilibrium diagram, at which temperature cementite changes from ferromagnetic to paramagnetic character?
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MCQs:  Which of the following statements is/are true about Iron in Iron-Carbon equilibrium diagram ? 1. It is soft and ductile 2. It is allotropic in nature 3. It is magnetic above curie temperature 4. Below the temperature of 1539 °C, iron is in liquid state
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MCQs:  Which transformation starts after the nucleation of ferrite phase?
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MCQs:  The process of decomposing martensitic structure, by heating martensitic steel below its critical temperature is called as _______
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MCQs:  Which of the following processes permit the transformation of austenite to martensite, throughout the cross-section of a component without cracking or distortion?
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MCQs:  Which of the following methods measure hardenability of a metal?
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MCQs:  In which of the following methods, surface of a steel component becomes hard due to phase transformation austenite to martensite?
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MCQs:  Chemical action during corrosion converts metal into metallic component as ________
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MCQs:  What is meant by corrosion?
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MCQs:  Which type of chemical reaction is observed at cathode, in electrochemical corrosion?
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MCQs:  Which of the following corrosions are caused due to velocity of fluid flow in pipes?
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MCQs:  Corrosion fatigue is a combined effect of _____
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MCQs:  The gray cast iron has ____
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