Define: noise, vibration and harshness.
[3 marks]Explain plane wave and spherical wave.
[4 marks]Explain the anatomy of human ear.
[7 marks]Define terms: Rolling, Pitching and Yawing.
[3 marks]Differentiate between free vibration and forced vibration.
[4 marks]Explain structure borne and air borne sound with respect to vehicle.
[7 marks]Explain wave equation.
[7 marks]What do you mean by single degree of freedom?
[3 marks]Explain effect of road roughness and road irregularities on vehicle vibrations in brief.
[4 marks]Explain anechoic chamber.
[7 marks]What do you mean by accelerometer and vibrometer?
[3 marks]Explain engine air intake and exhaust noise in details.
[4 marks]Explain passive and active suspension.
[7 marks]What do you mean by vibration pick up?
[3 marks]Explain brake squeal noise.
[4 marks]Explain pass by noise test in details.
[7 marks]What do you mean by interior noise?
[3 marks]Write a short note on microphone.
[4 marks]Enlist different types of transducers and explain any one in brief.
[7 marks]Write a short note on psychological effects of Noise & Vibrations
[3 marks]Explain active safety system in vehicle.
[4 marks]Explain sources of power train noise in vehicles.
[7 marks]Write a short note on harshness and its effect.
[3 marks]Explain passive safety system in vehicle.
[4 marks]Explain vibration absorber/ isolator.
[7 marks]