MODEL QUESTION PAPER (CBCS 2015 SCHEME) (For Reference only)
Note: The model question paper highlights the overall distribution of marks and provides generic
examples of questions set with reference to the modules syllabus.
USN 15ARC7.3
Page 1 of 2
VISVESVARAYA TECHNOLOGICAL UNIVERSITY
VII Semester B.Arch. (CBCS 2015 Scheme) Examination ……… 2018
BUILDING SERVICES IV
Time: 03 Hours Maximum Marks: 100
Instructions for Candidates
1. All questions carry equal marks.
2. Answer FIVE Full questions, taking ONE question from each Module
3. Provide relevant sketches wherever necessary.
Module 1
1 a
b
2 a
b
With suitable example and values, explain Inverse Square Law and
relationship of sound power level, sound intensity level and sound pressure
level.
Explain briefly the auditory response of human ear to sound and distinguish
between loudness and intensity.
OR
Explain the terms "Physical Acoustics" and "Geometrical Acoustics" with
figures Ray diagrams.
Explain the various acoustical defects possible in enclosed spaces with its
causes remedies.
12
8
8
12
Module 2
3 a
b
4 a
b
Explain the function of a sound level meter with a sketch and labelling its
parts. Explain the concept of frequency weighting C weighting) in
the sound level meter.
Explain Sound Articulation Index and Speech Intelligibility relating the
two.
OR
Explain the sound absorbing characteristics of the following with sketches
and graphs:
Porous materials
Cavity resonators
Explain the concept of variable sound absorbs with examples and sketches,
highlighting its suitability of certain auditoriums.
10
10
10
10
MODEL QUESTION PAPER (CBCS 2015 SCHEME) (For Reference only)
Note: The model question paper highlights the overall distribution of marks and provides generic
examples of questions set with reference to the modules syllabus.
USN 15ARC7.3
Page 2 of 2
Module 3
5 a
b
6 a
b
Explain characteristic differences between speech music.
What are the design considerations for a lecture theatre versus the
auditorium meant for orchestra.
OR
Explain behaviour of sound traversing in open air and the acoustical
requirements for an open air theatre.
With plans and sections of an enclosed hall, explain the necessity and way
of arranging a sound reinforcement system.
10
10
12
8
Module 4
7 a
b
8 a
b
Explain difference between sound noise with examples. What are the
various classification of noise. Explain each one.
Explain the methods of controlling the air-borne noise in buildings.
OR
Explain with sketches the various constructional details you would employ
for sound isolation in buildings.
What are the ways of isolating noise from machinery.
12
8
12
8
Module 5
9 a
b
10 a
b
Explain the various sources of industrial noise.
Explain with sketches various methods to mitigate noise in a mechanical
industry.
OR
Discuss the ill effects of noise pollution on human beings.
Explain the strategies for dealing with noise at site and city planning level.
8
12
8
12