Which device is-are used to control 3-4 benzopyrine and benzene from automobile exhaust-a- Electrostatic precipitation-b- Multi point injection engine-c- Dry scrubber-d- Catalytic conventerOnly aa - bb - ddonly

Question

Toppr Admin · Accepted Answer

Column I	Column II
1. Electrostatic precipitator	a. Most effective sulphur removal technique
2. Catalytic converter	b. Discharge corona
3. Scrubbers	c. Used in automobiles

Which device is/are used to control 3−4 benzopyrine and benzene from automobile exhaust?(a) Electrostatic precipitation(b) Multi point injection engine(c) Dry scrubber(d) Catalytic conventerOnly aa & bb & ddonly

Which device is/are used to control $3 - 4$ benzopyrine and benzene from automobile exhaust?
(a) Electrostatic precipitation
(b) Multi point injection engine
(c) Dry scrubber
(d) Catalytic conventer
Only a
a & b
b & d
donly