WorksheetsCertified Service Technician Entry Exam
Total questions: 60
Worksheet time: 30mins
What is the displacement of the 4N20 engine?
1.8L
2.0L
2.4L
3.0L
What is the compression ratio of the 4N20 engine?
10:1
11:1
12:1
13:1
How many valves does the 4N20 engine have?
8 valves
12 valves
16 valves
24 valves
What is the maximum torque output of the 4N20 engine?
200 Nm
220 Nm
250 Nm
300 Nm
What is the fuel pressure required for the 4N20 engine's direct injection system?
150 Bar
200 Bar
250 Bar
300 Bar
What is the maximum engine RPM for the 4N20 engine?
5,000 rpm
5,500 rpm
6,000 rpm
6,500 rpm
What is the oil capacity of the 4N20 engine?
3.0 ± 0.1L
4.0 ± 0.1L
5.0 ± 0.1L
6.0 ± 0.1L
What is the main advantage of a dual-channel turbocharger?
Increases power
Reduces turbo lag and enhances throttle response
Increases fuel consumption
Reduces engine temperature
How many sensors are in the GW7DCT sensor assembly?
4 sensors
6 sensors
7 sensors
10 sensors
What is the recommended torque setting for wheel lug nuts during installation?
50 Nm
90 Nm
120 Nm
150 Nm
What is the purpose of the camshaft in an engine?
To circulate coolant through the engine
To control the timing of the intake and exhaust valves
To convert exhaust gases into energy
To power the fuel injector system
What is the fuel consumption for the 4N20 engine in urban conditions?
6.0 L/100 km
7.5 L/100 km
8.0 L/100 km
9.5 L/100 km
What is the characteristic of the 5th-generation Haldex intelligent 4WD system?
Single plate clutch system
Dynamic torque distribution, millisecond response
Mechanical torque split system
Simple electronic clutch
Which of the following is a key component of a dual-clutch transmission system?
Single clutch
Two separate clutch systems
Continuously variable transmission (CVT)
Torque converter
What is the function of the oil filter in an engine?
To prevent the oil from overheating
To circulate oil through the engine
To remove impurities and contaminants from the engine oil
To increase the oil pressure
What is the primary purpose of the ECU (Engine Control Unit)?
To regulate the tire pressure
To monitor engine health and control its various systems
To control the vehicle's temperature
To provide automatic transmission shifting
What is the primary function of a catalytic converter in a vehicle's exhaust system?
To reduce engine noise
To convert harmful pollutants into less harmful emissions
To increase engine performance
To cool exhaust gases before exiting the vehicle
What is the weight of the Tank 300 with all systems fully loaded?
1,800 kg
2,100 kg
2,300 kg
2,500 kg
Which type of suspension system provides better handling and stability at high speeds?
Solid axle suspension
Independent suspension
Coil spring suspension
Leaf spring suspension
What is the rear axle electronically controlled differential lock's activation condition?
When the vehicle is moving above 5 km/h
When the vehicle is moving below 4 km/h, in mud or sand mode
When the vehicle is stationary in low-speed mode
When the vehicle is in auto mode
What is the primary function of a turbocharger in an engine?
To increase fuel consumption
To reduce engine temperature
To increase air intake and improve engine efficiency
To reduce the engine's weight
What does the acronym 'ABS' stand for in automotive braking systems?
Advanced Braking System
Anti-lock Braking System
Automatic Braking System
Aerodynamic Braking System
How often should a timing belt be replaced in most modern vehicles?
Every 30,000 km
Every 50,000 km
Every 100,000 km
Every 150,000 km
What is the function of the camshaft in an engine?
To circulate coolant through the engine
To control the timing of the intake and exhaust valves
To convert exhaust gases into energy
To power the fuel injector system
Which of the following systems is primarily responsible for providing optimal engine fuel-air mixture?
Fuel injector
Crankshaft sensor
Alternator
Air conditioning system
What is the purpose of the air filter in an internal combustion engine?
To reduce fuel consumption
To increase engine power
To remove dirt and debris from the intake air
To maintain proper exhaust flow
What is the function of the timing belt in an engine?
To control the fuel delivery
To regulate the intake manifold pressure
To synchronize the movement of the crankshaft and camshaft
To reduce engine vibration
What is the function of the alternator in a vehicle?
To convert mechanical energy into electrical energy
To circulate coolant through the engine
To store energy for the engine
To regulate the fuel-air mixture
What is the primary function of the regenerative braking system in a hybrid vehicle?
To charge the battery while braking
To reduce brake pad wear
To improve fuel efficiency
To reduce vehicle weight
Which of the following is a major benefit of using synthetic motor oil over conventional oil?
Improved fuel economy
Lower engine operating temperatures
Extended oil change intervals
Both B and C
What is the coolant capacity for the 4N20 engine?
5.2 L
6.0 L
7.4 L
8.2 L
Which component controls the vehicle's ignition timing?
Fuel injector
Ignition coil
Crankshaft sensor
ECU (Engine Control Unit)
What is the primary function of the oil filter in an engine?
To prevent the oil from overheating
To circulate oil through the engine
To remove impurities and contaminants from the engine oil
To increase the oil pressure
What is the main reason for engine overheating?
Low oil levels
Insufficient cooling system maintenance
High air intake pressure
Incorrect fuel mixture
Which of the following is a common cause of brake pad wear?
High engine temperature
Poor fuel quality
Frequent hard braking
High tire pressure
How many gears are in the GW7DCT dual-clutch transmission?
5-speed
6-speed
7-speed
8-speed
What is the recommended tire pressure for the 4N20 engine?
30 psi
32 psi
35 psi
38 psi
What is the oil grade used in the 4N20 engine?
5W-30
0W-20
10W-40
15W-50
What is the purpose of the diesel particulate filter (DPF) in a diesel engine?
It filters fuel to reduce emissions
It filters exhaust gases to capture soot particles
It increases the combustion efficiency
It regulates exhaust temperature
What is the maximum speed of the Tank 300?
160 km/h
180 km/h
200 km/h
220 km/h
What is the function of the fuel injector?
To inject fuel into the combustion chamber
To circulate coolant through the engine
To control air intake into the engine
To regulate the engine exhaust
Which type of suspension system provides better comfort in off-road conditions?
Independent suspension
Leaf spring suspension
Air suspension
Double wishbone suspension
What is the specified pressure for the turbocharger in the 4N20 engine?
1.2 Bar
1.5 Bar
1.8 Bar
2.0 Bar
What is the characteristic of the 5th-generation Haldex intelligent 4WD system?
Single plate clutch system
Dynamic torque distribution, millisecond response
Mechanical torque split system
Simple electronic clutch
What does the acronym 'ABS' stand for?
Automatic Braking System
Anti-lock Braking System
Advanced Braking System
Aerodynamic Braking System
What is the purpose of a timing belt in an engine?
To synchronize the camshaft and crankshaft movement
To regulate fuel flow
To reduce exhaust emissions
To prevent engine overheating
What is the purpose of the exhaust gas recirculation (EGR) system?
To increase fuel consumption
To reduce harmful nitrogen oxide emissions
To increase engine temperature
To improve fuel economy
What is the maximum torque of the 4N20 engine?
250 Nm
280 Nm
320 Nm
350 Nm
What is the main reason for poor engine performance in a diesel engine?
Low engine oil
Clogged fuel filters
Insufficient turbo pressure
Poor air circulation
What should be checked first if an engine is misfiring?
Oil level
Spark plugs
Timing belt
Battery voltage
What is the benefit of a variable valve timing system in an engine?
Increased fuel efficiency
Increased exhaust emissions
Reduced engine temperature
Reduced exhaust noise
How often should a fuel filter be replaced in most vehicles?
Every 10,000 km
Every 20,000 km
Every 30,000 km
Every 50,000 km
What is the key difference between a 4WD and an AWD system?
4WD is for off-road driving, and AWD is for better handling on paved roads
4WD is for towing, and AWD is for speed
4WD uses only one axle, while AWD uses all four
4WD systems can only operate in low gears
What is the function of the air conditioning compressor in a vehicle?
To regulate engine temperature
To circulate coolant through the engine
To increase fuel efficiency
To circulate refrigerant and provide cooling
What is the ideal fuel mixture for an internal combustion engine?
10:1
12:1
14:1
16:1
What is the purpose of the intercooler in a turbocharged engine?
To cool the engine
To cool the intake air
To cool the exhaust gases
To cool the turbocharger
What is the maximum allowable emission level for a vehicle under Euro 6 standards?
0.5 g/km CO2
0.7 g/km CO2
1.0 g/km CO2
1.5 g/km CO2
How is engine misfiring most commonly diagnosed?
By testing the spark plugs
By checking exhaust emissions
By checking the fuel pressure
By checking the battery
Which of the following is NOT an advantage of hybrid vehicles?
Improved fuel efficiency
Lower greenhouse gas emissions
Higher repair costs
Reduced dependence on fossil fuels
What is the most common issue with an automatic transmission that requires maintenance?
Low fluid levels
Clogged air filters
Worn brake pads
Faulty ignition coils
