Category: Environmental Engineering Mcqs

A.Presence of free carbon is exhaust
B.Presence of carbon monoxide in exhaust
C.Presence of oxygen in exhaust
D.Presence of nitrogen in exhaust

A.Sunflower
B.Ivy
C.Aloc
D.Cherry
E.Sarcococca

A.10
B.5
C.3
D.2
E.1

A.Facultative bacteria
B.Anerobic bacteria
C.Aerobic bacteria
D.Furobic bacteria
E.All of the above

A.Sodium scale
B.Silica scale
C.Cobalt scale
D.Platinum scale
E.Calcium scale

A.reduce the prevalence of dental caries
B.increase the prevalence of dental carries
C.cause irritation in eyes
D.do not arm in any way

A.1.2 days
B.5.73 days
C.5.73 years
D.5730 days