Chapter 14 PROBLEMS, THEIR CAUSES AND REMEDIES OF IGNITION SYSTEM MCQs 15 min Score: 0 Attempted: 0/15 Subscribe 1. . Gap between spark plug electrodes is adjusted between: (A) 0.70 mm to 1.2 mm (B) 0.07 mm to 0.10 mm (C) 7 to 10 mm (D) None of theseShow All Answers 2. . Gap between CB point is adjusted at: (A) 4.0 mm (B) 0.04 mm (C) 0.40 mm (D) None of theseShow All Answers 3. . High voltage is produced in ignition coil when CB point: (A) Open (B) Closed (C) CB point has no effect in producing voltage (D) None of theseShow All Answers 4. . If CB point turns blue the cause may be: (A) Faulty ignition coil (B) Faulty ballast resistor (C) Faulty condenser (D) None of theseShow All Answers 5. . When the gap between CB point decreases then dwell angle will: (A) Increase (B) None of these (C) Dwell angle remains same (D) DecreaseShow All Answers 6. . When the gap between CB point decreases then ignition timing will: (A) Retard (B) Advance (C) Timing will not change (D) None of theseShow All Answers 7. . A brown spark plug shows that air fuel mixture is: (A) Lean (B) Normal (C) Rich (D) None of theseShow All Answers 8. . Ignition coil is used to: (A) Step up current (B) Step down current (C) Step up voltage (D) None of theseShow All Answers 9. . Which part of ignition system controls current flow in primary circuit: (A) None of these (B) Ballast resistance (C) Condenser (D) Ignition switchShow All Answers 10. . Which part of ignition system protects CB point from burning: (A) Condenser (B) Ignition switch (C) Ballast resistance (D) None of theseShow All Answers 11. . Closing period of CB point is called: (A) Dwell angle (B) Cam angle (C) Ignition timing (D) None of theseShow All Answers 12. . High voltage of ignition coil is distributed to cap side terminals with the help of: (A) CB point (B) Distributor shaft (C) Rotor (D) None of theseShow All Answers 13. . CB point gap is adjusted when rubbing block is aligned with: (A) Cam lobe (B) Cam heel (C) None of these (D) Center of cam lobe and heelShow All Answers 14. . How much resistance is the primary winding of ignition coil: (A) 2k ohm to 5k ohm (B) 600 ohm to 800 ohm (C) 1.2 ohm to 1.6 ohm (D) None of theseShow All Answers 15. . How much resistance is the secondary winding of ignition coil: (A) 1.2 ohm to 1.6 ohm (B) 10k ohm to 15k ohm (C) 600 ohm to 800 ohm (D) None of theseShow All Answers