31. Which of the following statements correctly describes the construction of a fuel injector? A. A fuel injector consists of a solenoid, an intake manifold, and a plunger housing B. A fuel injector consists of a solenoid, a plunger needle valve, and a plunger housing C. A fuel injector consists of a solenoid, a plunger needle valve, and a fuel rail D. A fuel injector consists of a ECU, a plunger needle valve, and a plunger Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
32. Which of the following is main cracking processes? A. Thermal cracking B. Hydro cracking C. Fluid catalytic cracking D. All are correct Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
33. The fluid drawn in during suction in petrol engine contains A. Fuel only B. Fuel or air C. Air only D. Mixture of air and fuel Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
34. The main advantage of petrol injection system is A. High quality fuel distribution B. Less fuel consumption C. Rapid response of the engine to throttle control D. All of these Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
35. Ignition quality of diesel fuel oil is expressed by an index called A. Cetane number B. Calorific value C. Octane number D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
36. The working fluid for a diesel engine during the suction stroke is A. Fuel-air mixture B. Fresh air C. Produce of combustion D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
37. Self-ignition temperature of diesel as compared to petrol A. Is higher B. Is lower C. Is same D. Varies considerably Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
38. All the commercial liquid fuel are derived from A. Coal B. Crude oil C. Gasoline D. Fuel oil Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
39. The air/fuel ratio in a petrol engine is controlled by A. Governor B. Injector C. Carburettor D. Flywheel Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
40. The carburettor provides correct amount of air-fuel mixture during A. Starting B. Idling C. Acceleration D. All conditions Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
