HomeITI CBT EXAMMechanic Diesel Test 1 Mechanic Diesel Test 1 Leave a Comment / By itiexam.cloud / 17 March 2024 0% 1234567891011121314151617181920 Diesel Mechanic Test 1 1 / 20 1) What is the purpose of the engine oil in a diesel engine? A) To clean the engine by removing contaminants B) To ignite the air-fuel mixture during combustion C) To cool the engine by absorbing heat D) To lubricate moving parts and reduce friction 2 / 20 2) What is the name of the protection sign? A) Hearing protection B) Respiratory protection C) Head protection D) Eye protection 3 / 20 3) What is the main difference between a diesel engine and a gasoline engine? A) Diesel engines use spark ignition, while gasoline engines use compression ignition. B) Diesel engines have lower fuel efficiency than gasoline engines. C) Diesel engines produce lower emissions than gasoline engines. D) Diesel engines use compression ignition, while gasoline engines use spark ignition. 4 / 20 4) Which type of workshop equipment used to deliver the air pressure to hydraulic hoist? A) Jib crane B) Vacuum pump C) Compressor D) Hydraulic pump 5 / 20 5) Which type of protective equipment used to protect head? A) Boot B) Helmet C) Apron D) Mask 6 / 20 6) What does the acronym DPF stand for in relation to diesel engines? A) Diesel Piston Friction B) Diesel Particulate Filter C) Diesel Powertrain Fuel D) Diesel Performance Factor 7 / 20 7) What is the purpose of a diesel engine's fuel injection system? A) To regulate the flow of air into the engine B) To regulate the flow of fuel into the engine C) To regulate the exhaust emissions of the engine D) To regulate the compression ratio of the engine 8 / 20 8) What safety precautions should be taken when working on a diesel engine? A) All of the above B) Ensure the engine is turned off and cool before beginning work C) Always wear protective gloves and eyewear D) Disconnect the battery to prevent accidental starts 9 / 20 9) What is the use of hydrometer? A) To check density of water B) To check specific gravity of electrolyte C) To check density sulphuric acid D) To check temperature of electrolyte 10 / 20 10) Which type of personal protective equipment used to protect eye? A) Gloves B) Mask C) Goggles D) Cap 11 / 20 11) What is the advantage of free maintenance sealed battery? A) No chance for sulphation of battery terminals B) No need for recharging of battery C) No need for disconnect the terminals to remove battery D) No need for check and top up distilled water. 12 / 20 12) What is the purpose of the glow plugs in a diesel engine? A) To increase the engine's compression ratio B) To ignite the air-fuel mixture C) To reduce emissions during cold starts D) To preheat the combustion chamber for easier starting 13 / 20 13) What is the function of the turbocharger in a diesel engine? A) To decrease the power output of the engine by compressing exhaust gases B) To decrease the compression ratio of the engine C) To increase the power output of the engine by compressing intake air D) To increase the compression ratio of the engine 14 / 20 14) What is the name of the prohibition sign? A) Do not extinguish with water B) Smoking and naked flames prohibited C) Pedestrians prohibited D) One way prohibited 15 / 20 15) What type of fuel does a diesel engine commonly use? A) Propane B) Gasoline C) Ethanol D) Diesel fuel 16 / 20 16) What is the recommended interval for changing the engine oil in a diesel engine? A) Every 7,500 miles B) Every 3,000 miles C) Every 10,000 miles D) Every 5,000 miles 17 / 20 17) What is the role of the exhaust gas recirculation (EGR) system in a diesel engine? A) To improve fuel efficiency B) To regulate the engine's idle speed C) To reduce emissions of nitrogen oxides (NOx) D) To increase the engine's power output 18 / 20 18) Which is highly flammable liquid? A) LPG B) Water C) Crude oil D) Diesel 19 / 20 19) Which type of oil used in the lifts and cranes? A) Hydraulic oil B) Ground nut oil C) Gingelly oil D) Coconut oil 20 / 20 20) Which equipment is used in vehicle service station to lift the vehicle for water wash? A) Crane B) Screw jack C) Stand D) Hoist Please Wait........ Your score is LinkedIn Facebook Twitter VKontakte 0% Restart quiz Exit
