The after-cooler fitted to a turbo-charged engine will:, Decrease the air density by increasing the air temperature, Increase the air density by decreasing the air temperature, Increase the air density by increasing the air temperature, Decrease the air density by decreasing the air temperature, In a petrol engine, pinking is a term used to describe:, A main bearing noise, Abnormal combustion, The engine over cooling, A lack of engine revs, In the combustion process of a CI engine, the time between the fuel being injected and itself-ignited is known as:, The lag period, The phase period, The delay period, The lead period, Injector in a high-pressure common rail fuel system:, Are triggered electronically to deliver fuel into the cylinder from the high pressure rail, Deliver fuel into the cylinder from the rotary type injection pump, Deliver fuel into the manifold from the rotary type injection pump, Are triggered electronically to deliver fuel into the manifold from the high pressure rail, After changing the fuel filter, the fuel system is bled to ensure:, Fuel pressure is maintained, There is additional fuel in the system, There is air in the system, There is no air in the system, The abbreviation CO with reference to the exhaust gas means:, Completely Organic, Carbon Dioxide, Carbon Monoxide, Oxides of Nitrogen, Secondary air injection helps lower levels of:, Noise, Engine temperature, HC, NOX, CO2 and CO, HC and CO, An advantage of a Compression Ignition engine over Spark Ignition engine is:, CI engines discharge combustion blow-by gases into the atmosphere, Better thermal efficiency and torque characteristic, Lower compression ratio allows easier starting, Increased engine speed, Nitrogen, Carbon Dioxide and Carbon Monoxide are usually found in:, Petrol, Exhaust gases, Coolant mixture, Diesel Fuel, In a petrol injection system, the components which measures the air pressure in the engine manifold is:, The EGR system, The MAP sensor, The DOHC, The KPI, Octane rating is a property of:, Diesel, Petrol, Brake Fluid, Water, The slight delay before the turbo-charger respond, once the accelerator as been depressed, is defined as:, Lag, Lead, Boost, Delay, Which of the following is normally an indication of a very weak mixture setting for a petrol engine?, Very high fuel consumption, Black exhaust smoke, Very white spark plug insulator, High & CO in exhaust gases, In the combustion cycle of a CI (diesel) engine, the delay period is the:, Crank shaft angle during which the injectors spray fuel into the combustion chamber, Crank shaft angle during which the injected fuel burns rapidly to release heat energy, Amount of time before self-ignition, when the injected fuel absorbs heat, Amount of time during which the air in the cylinder is compressed by the raising piston, The term cetane rating used to classify:, Brake fluid, Diesel fluid, Coolant, Petrol, A distributor-less for a four-cylinder engine uses:, Four coils, One coil, Contract breaker points, A wasted spark type of ignition, The lambda sensor is usually located:, In the exhaust number one port, In the exhaust front pipe, In the exhaust tail pipe, In the exhaust silencer, A Lambda sensor measures:, Carbon monoxide, The flow of the exhaust gases, Fuel vapour, Oxygen, When testing the exhaust emissions, the abbreviation HC refers to:, Hydrocarbon, Hydrogen, Oxides of nitrogen, Carbon monoxide, When tested the exhaust gas of an engine contains an excessive amount of Carbon Monoxide, one likely cause of this is:, A leaking exhaust manifold, A defective oil pump, A leaking inlet manifold, A defective spark plug, In a single point fuel injection system there is:, A carburettor for all cylinders, One injector for each cylinder, A high pressure common rail, One injector to feed all cylinder, Careful exhaust and air intake system design help lower:, Noise level and emissions, Heat only, Emissions only, Noise only, Before checking the exhaust smoke of a compression ignition engine, you should:, Ensure that the engine oil and filter have been changed, Run the engine until it reaches normal operating temperature, Check and adjust the tension of the alternator drive belt, Ensure the engine is operating in normal ambient temperature, When removing and refitting an exhaust or air system component, it is important to:, Wear a hat, Risk assess the work properly and wear the correct PPE before starting the job, Work on the system when it is hot, Wear eye protection, A pulse generator is most commonly found in:, An electronic ignition system, A fuel system, A transmission system, A chassis ECU, A restricted air filter on a compression ignition engine will cause:, Overheating, Blue exhaust smoke, Improved fuel consumption, Black exhaust smoke, A supercharger is driven by:, A toothed belt from the crankshaft, A toothed belt from the camshaft, Exhaust gases, An air pump, A turbo charger is driven by the:, Camshaft, Crankshaft, Incoming air, Exhaust gas, A blocked air filter is likely to cause:, A high level of water in the exhaust gas, A high level of oxygen in the exhaust gas, A high level of nitrogen in the exhaust gas, A high level of carbon monoxide in the exhaust gas, The ignition dwell angle is the period during which:, A magnetic field builds up in an ignition coil, The spark occurs at the sparking plug, No current flows through the coil primary winding, The piston reaches TDC

LV02.2

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?