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