The desirable temperature of portable water is
A.zero degree centigrade
B.10?C
C.20?C
D.27?C
E.37?C
A.zero degree centigrade
B.10?C
C.20?C
D.27?C
E.37?C
A.4 stroke mechanical injection
B.4 stroke air injection
C.2 stroke mechanical injection pump scavenging
D.2 stroke air injection
A.Sintering plants
B.Oil refineries
C.Blast furnace
D.Power plants
E.Sulphuric acid plant
A.bacteria
B.virus
C.molds
D.algae
A.300 – 500 ppm
B.30 – 50 ppm
C.10 – 15 ppm
D.3 – 5 ppm
E.0.3 – 0.5 ppm
A.soluble gases in water
B.dissolved solids in water
C.suspended solids in water
D.none of the above
A.Iridium 192
B.Iodine 131
C.Cobalt 60
D.Polonium 210
A.2 to 3 metres
B.5 to 8 metres
C.10 to 15 metres
D.25 to 30 metres
A.Nitrous oxide
B.Carbon monoxide
C.Helium
D.Neon
A.When burnt in an open pan in atmosphere
B.When burnt in an internal combustion engine
C.When burnt in a fuel cell
D.When burnt in a reversible process