Define (i) Noise (ii) Vibration (iii) Harshness in reference to vehicular application.
[3 marks]List out the equipments used in NVH and give the applications of each.
[4 marks]Derive wave equation of sound.
[7 marks]Give the classification of vibration with short detail.
[3 marks]What is Structure borne sound and air borne sound?
[4 marks]What is CFD? Give the advantages and disadvantages of CFD.
[7 marks]Explain MATLAB/SIMULINK for automotive system design.
[7 marks]Give the advantages and applications of Rubber embedded metallic bushes.
[3 marks]Give the sources of Vibrations in vehicle.
[4 marks]Write a short not on Passive and Active suspension.
[7 marks]What is Acoustics of vehicle?
[3 marks]Discuss an importance of Damper. How it’s working?
[4 marks]Explain vibration due to tire and wheel in detail.
[7 marks]What are the Noise limits in Db for two and three wheelers in India?
[3 marks]Describe Doppler effect.
[4 marks]Classify the Transducers and explain Piezoelectric transducers.
[7 marks]Which are the causes of squeaky brakes?
[3 marks]Write a short note on Viscous damping.
[4 marks]Classify damper and explain Hydraulic damper with neat sketch.
[7 marks]What is vibration isolation?
[3 marks]Give the merits, demerits and applications of Anechoic Chambers.
[4 marks]Write a short note on Microphone.
[7 marks]Explain porous sound absorbers in brief.
[3 marks]Describe Psychological effect of noise and vibrations.
[4 marks]Compare Active safety features with Passive safety features of a vehicle.1
[7 marks]