Practice question

Hydrocarbons (HC) in motorcycle exhaust mainly indicate:

  1. Perfect stoichiometric combustion with zero waste
  2. Only tyre rubber dust from the road
  3. Unburned or partially burned fuel escaping the combustion process
  4. Only distilled water vapour with no fuel content

Answer: C — Unburned or partially burned fuel escaping the combustion process

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: ITI NCVT Mechanic Motorcycle (AITT Theory) Practice Questions - DGT NCVT Craftsmen Training Scheme - Mechanic Two & Three Wheeler (Job role Mechanic, Motor Cycle) All India Trade Test Trade Exam →