CS/B.TECH (New)(ECE/EE/EEE/EIE/ICE/PWE/BME)/SEM-4/CH-401/2012
2012
BASIC ENVIRONMENTAL ENGINEERING & ELEMENTARY BIOLOGY
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
(Multiple Choice Type Question)
1. Choose the correct alternatives for the following: 10 x 1 = 10
i) Which one of the following is a renewable source of energy?
a) Thermal b) Hydroelectric
c) Nuclear d) Solar.
ii) Ozone is a pollutant when present in
a) stratosphere b) troposphere
c) mesosphere d) ionosphere.
iii) The unit of intensity level of noise is
a) metre b) candela
c) newton d) decibel.
iv) A greenhouse gas is
a) CO b) H2 S
c) SO2 d) H2 O-vap.
