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