IC Engine Mock Test 8

1. More than 90 to 95% of carbon particles originally generated within an engine are thus converted to CO₂ and never comes out as carbon particles.

2. The exhaust of CI engines does not contain solid carbon soot particles that are generated in the fuel-rich zones within the cylinder during combustion.

3. The catalyst is consumed in the reaction and so functions indefinitely unless degraded by heat, age, contaminants or other factors.

4. If the speed of the engine is increased, the indicated power will ____________

5. EGR and lower combustion temperatures contribute to an ____________ in solid soot.

6. Carbon monoxide is a poisonous gas which, when inhaled, replaces the oxygen in the blood stream so that the body's metabolism can not function correctly.

7. The volumetric efficiency of an air-cooled engine is higher due to high cylinder head temperatures.

8. Upper level ozone is harmful to lungs and other biological tissue.

9. Platinum and palladium catalyst promotes the removal of ____________ of the gaseous HC in the exhaust.

10. Large amounts of CO concentrations, when breathed in, slow down physical and mental activity and produces headaches, while large concentration will kill.