Automotive Mechanics level IV (Holistic for Practical Assessment)

Instruction to the candidate

* Read the project / package with properly.

* All your questions and clarification should be addressed to the assessor only.

* you are given fifteen (15) minutes reading time and the number of hours allocated for each project is
indicated in the project information sheet.

* After you finish this assessment, you are required to submit all the project package provided to you.

* You are allowed to use your tools/ instruments with the permission of the assessor and this must be
presented to the assessor before start of the assessment.

* after you finish the assessment , you are required to sign the competency assessment results summary,
and return to the stock room all the tools and materials borrowed.

* You are also required to clean up your work station after completion of your work.

Project information: Given the necessary tools, equipment and information, the candidate is expected to
perform the following projects.

The assessor should ask oral questions on which he/she is not satisfied by the candidate's performance.
(Total Time for All Project: 8hr)

Project: 1 Diagnosis and maintain engine system components. (Time 3:00 hours)

Information: the customer brought a vehicle to your work shop for diagnosis and maintenance according
to customer information.
o The check engine lamp is on when the engine is running.
o There is unnecessary/ abnormal sound around engine.
o The engine performance is low.
Instruction: under this project the candidate is expected to perform the task based on this information
provide.
Task1. Diagnosis engine using OBD-2

Task2. Perform engine power balance test on electronic engine (in gasoline)

Task3. Perform compression test (Both gasoline and diesel engine).

Task4. Overhaul cylinder head assembly.

Task5. Adjust valve clearance.

Task6. Perform static and dynamic ignition timing.

Task7. Test electronic fuel injector.

Project 2: Diagnosis and overhaul powertrain system components (project time 2:00 hours)

Instruction: under this project the candidate is expected to perform the task based on the information
provided.

Task1. Diagnosis electronically controlled transmission (Automatic transmission).

Task2. Overhaul manual transmission.

Project 3: Diagnosis and maintain under chassis system. (Project time 2:00hours).

Information: the customer comes to work shop for vehicle service with the following complaint.
Unnecessary sound while depress brake pedal, excessive shock and steering stability problems.

Instruction: under this project the candidate is expected to perform the tasks based on the information
provided.

Task1: Remove, inspect and replace shock absorber.

Task2: Bleed hydraulic steering system.

Task3: perform dynamic wheel balance.

Task4: perform camber adjustment.

Task5: Diagnosis anti-lock brake system.

Project 4: Manage work shop and estimate cost of maintenance. (Project time 1:00 hours)

Information: A customer brings to your work shop for periodic maintenance, transmission overhaul and
dynamic wheel balance. As a middle manager you are expected to manage the task and to prepare the
overhaul cost.

Instruction: under this project the candidate is expected to perform the tasks based on the information
provided.

Task1. Develop work plan

Task2. Estimate cost of maintenance

 Automotive Mechanics level IV (Holistic For Knowledge Test Assessment)
1. During vehicle damage analysis effects of impacts or expected damages on accidents
are identified and confirmed from
A. Indirect and direct evidence
B. Visual and roomer evidence
C. Police and insurance
D. Insurance and court
2. The perceived justice of all requirement to make decision about all individual employee
is
A. Destructive justice
B. Procedural justice
C. Distributive justice
D. Constructive justice
3. Engine analyzer test inform the mechanics to observe signals in the context of the
relationship between
A. Time and voltage
B. Current and resistance
C. Pressure and vacuum
D. High and low value
4. Which of the following modification enhance vehicle performance
A. Incorporating thieves control device
B. Replacing steel wheel with aluminum wheel
C. Fitting larger engine on the vehicle
D. Adding extra beam light
5. What is the remedy if injector is not spraying in proper pattern in EFI engine?
A. Replace the defected injectors
B. Adjust the defected injectors to specification
C. Clean the defected injectors and reuse
D. Injectors are non-replaceable
6. Increase volumetric efficiency of the engine to boost engine performance
A. Turbo charger and super charger
B. Inter cooler and oil cooler
C. Resonator and catalytic converter
D. Accumulator and breather
7. The employee evaluation performance review and employee rating are all terms to
define
A. Criterion appraisal
B. Performance appraisal
 C. Employee development appraisal
D. Subjective appraisal
8. In diagnosing computerized engine control system on let engines, after connecting
proper terminal to data link then to get diagnostic code on mal function indicator lamp
A. Count the flash on the engine fail indicator lamp
B. Rotate the crankshaft- read the code
C. Rotate camshaft -read the code
D. Connect test lamp to distributer and read the code
9. When taking disciplinary action, you should
A. Argue with the employee
B. Allow employee to speak for the others involved
C. Make the disciplinary process as formal as possible
D. Enforce policies and rules with consistency
10. During testing the alternator, the alternator reading is normal but the output ampere is
zero it is an indication to
A. Open circuit in charging system
B. Short circuit in the charging system
C. The starter motor is consuming more power
D. The ignition system is open
11. In which type of manual transmission the double-declutching is used?
A. Synchromesh gearbox
B. Constant-mesh gearbox
C. Sliding mesh gearbox
D. Epicyclical gearbox
12. Which of the following is among greenhouse gas
A. Carbon dioxide
B. Carbon monoxide
C. Hydro carbon
D. Nitrogen oxide
13. Payment made for all employee who lost their job is
A. Out placement bonus
B. Transition stay bonus
C. Acquisition bonus
D. Merger bonus
14. In a disc brake, which component provides the pad-to-disc adjustment?
A. Bleed screw
B. Piston
C. Caliper
D. Piston seal
15. On what principle does the braking system in the vehicle work?
A. Frictional force
B. Gravitational force
C. Magnetic force
D. Electric force
16. Why are lead compounds added in petrol?
A. Reduce knocking
B. Reduce HC emission
C. Reduce exhaust temperature
D. Increase power output
17. A customer bring a vehicle to garage for a maintenance, what does a mechanic do
procedurally
A. Collect information form customer- road test the vehicle- visually inspect the
vehicle- perform instrument test
B. Road test the vehicle- collect information form customer- visually inspect the
vehicle- perform instrument test
C. Road test the vehicle- collect information form customer visually inspect the
vehicle- perform instrument test
D. Road test the vehicle- visually inspect the vehicle- collect information form
customer-perform instrument test
18. Greenhouse gasses -------------
A. Protect environment
B. Protect the earth from sun ray
C. Are important for health
D. Deplete ozone layer
19. What is the purpose of keeping vehicle history
A. To underscore how good is keeping data
B. To know how the vehicle is productive
C. To know if the vehicle is electronic fuel injection type
D. To know if the vehicle engine can be adapted to EFI
20. During report writing of accident analysis , what must be included in the report
A. Specification of the damaged vehicle
B. Seller company of the damaged vehicle
C. Recommendation of after math of damage
D. Owners name of the damage vehicle
21. The performance appraisal measurement error in which prejudices of rater distort result
of rating is
A. Rater bias
B. Contract bias
C. Halo effect
 D. Sampling error
22. It covers all the vital, information about the product including size, measurements ,type,
purpose, quality required
A. Complex equipment
B. Financial report
C. Technical specification
D. Cost evaluation
23. As a manager, you cannot evaluate
A. The performance of the employee
B. The behavior of the employee
C. The risk taking characteristics of the employee
D. The attitude of the employee

24. Which of the following will help motivate employees?

A. Compromise on poor performance

B. Set for performance standards
C. Use positive reinforcement, and generalize it
D. Use the same methods of reinforcement for everyone
25. . ---------- is a set of principles which influence the judgment
A. Code of ethics
B. Code of conduct
C. Behavior
D. Attitude
26. In case you become aware that the person has been bribed to make a choice, what would
you do?
A. Make him give you half the money
B. Blackmail him
C. Do nothing
D. Contact the relevant authority
27. Which of the following is not form of an ethical behavior?
A. Deception
B. Loyalty
C. Fairness
D. Competition
28. ---------is a system that takes place when customers order small, unique batches of
products.
A. Estimation
B. Randomization
C. Technical evaluation
D. Job order costing
29. Job order costing system determines the price of ------------ while still maintaining the
company’s profitability.
A. Individual product
B. Gross products
C. Estimation of labor
D. Overhead cost
30. In Job order costing systems production expense information like material costs ,labor
cost ,overhead cost can be found from
A. Financial resources
B. Company hand book
C. Customer condition
D. Discount offered
31. which of the following is content of technical specification a given engineered item
/product
A. Cost analysis of the document preparation
B. Description of measurement items
C. contractual agreements promise
D. the name and numbers of document evaluators
32. The undesirable change in physical, chemical or biological character of air, land and
water is referred as
A. Pollution
B. Ecosystem
C. Environment
D. Ecology
33. When using a (Digital Millimeter) voltmeter function to check for a voltage drop, meter
leads should be connected.
A. On the "positive" side of the circuit
B. Across the component or circuit
C. To any non-conductive material
D. In series with the circuit

34. In tire designation P225/60R16 89H the number 16 indicates.

A. Tire size in millimeter
B. Tire air pressure in Pascal
C. Aspect ratio in percent
D. Rim Diameter in inch
35. Among the following which comes first in changing engine oil
A. Warm up the engine
B. Select appropriate oil
C. Open the oil cup
 D. Loosen oil drain plug
36. If AC stands for Alternating Current, what does DC stand for?
A. Delivery Current
B. Direct Current
C. Diverted Current
D. Delta Current

37. A method of drawing in which three dimensional drawing is represented in two

dimension is in technical and engineering drawing is
A. Orthographic
B. Isometric drawing
C. Machine drawing
D. Perspective drawing
38. Cars and light trucks typically have ------ caster setting, this helps steering wheel return to
center.
A. Positive
B. Negative
C. Zero
D. Straight
39. The clutch disc is splined to the
A. Engine crankshaft
B. Transmission input shaft
C. Transmission output shaft
D. Transmission countershaft
40. Representation of components using drawing/lines in accordance to set rule is term used
as
A. Machine drawing
B. Perspective drawing
C. Orthographic drawing
D. Mapping
41. Connecting rods are generally have ----- form

A. Frogged circular section

B. cast steel triangular section
C. Frogged square section
D. Frogged I Section

42. Power can be transferred from engine crankshaft to the alternator by

A. V- belt
B. Gear
C. Rope
D. Cable
43. When lines of a magnetic force cut across a conductor:

A. The wire cools permanently.

B. The conductor is permanently magnetized
C. Voltage is induced in the conductor
D. Resistance increase permanently
44. On throttle body injection system the fuel injector is mounted on the total body injection
assembly, whose metering tip is located directly above the
A. Injectors
B. Carburetor
C. Throttle valve
D. Intake manifold
45. When engine coolant temperature is low
A. The injector injects more fuel
B. The injector injects less fuel
C. The injector open slowly
D. Injector make fuel ratio lean
46. An electric fuel pump in gasoline engine is located
A. Near engine
B. In the fuel tank
C. On engine block
D. On camshaft
47. Which of the following represents types of dry friction clutches
A. Wet and dry clutch
B. Circular and rectangular clutch
C. Coil spring and Diaphragm clutches
D. Torque and converter clutch
48. What will happen if the traction force is negative?
A. The vehicle will accelerate
B. The vehicle will decelerate
C. The vehicle will first accelerate and then decelerate
D. The vehicle will run at a constant speed
49. What will happen if the vehicle is made 50% heavier, but all other parameters remain the
same?
A. The aerodynamic resistance will increase by a factor of 1.5 squared
B. The running resistance will remain the same
C. The running resistance will decrease
D. The running resistance will increase
50. Torsional coil springs in the clutch disc.
A. Cushion the driven disc engagement rear to front
 B. Are the mechanical force holding the pressure
C. Absorb the torque forces
D. Are located between the friction rings
51. When the clutch pedal is released on a hydraulic clutch linkage, the
A. Master cylinder piston return to original position by spring tension
B. Master cylinder piston return to its original position by hydraulic pressure
C. Slave cylinder move forward by hydraulic pressure
D. Master cylinder piston will keep on move forward
52. When the clutch is disengaged, the power flow stops at the.
A. Transmission input shaft
B. Driven disc hub
C. Pressure plate and flywheel
D. Torsion springs
53. A gear with 12 teeth will turn ……………..as fast as a gear with 36 teeth
A. Twice
B. Half
C. Three times
D. Equal
54. In gear systems, speed reduction means
A. Torque reduction
B. Stabilization increase
C. Torque multiplication
D. Increase vibration
55. In transmission power flow from
A. Input shaft- counter shaft- main shaft
B. Input shaft-main shaft - counter shaft
C. Counter shaft -input shaft-main shaft -
D. Main shaft - counter shaft -input shaft
56. While bleeding diesel fuel system the
A. Flywheel will be rotated
B. Injection pump is pumped
C. Crank pulley is rotated
D. Transfer pump is actuated
57. Air fuel mixture in gasoline engine is assumed to be a perfect mixture ,when the air to
fuel ration is :
A. 10.7:1.1
B. 1:1
C. 21:1
D. 14.7:1
58. The brake pedal holds on the first application if force is maintained on the pedal, but goes
lower with each successive gentle application, gradually going to the floor at a stop light.
What is the problem?
A. The wheel cylinders are leaking.
B. The booster is not working.
C. The master cylinder is leaking internally
D. The booster valve is faulty.
59. In torque converter the unit that avoid the bouncing back of fluid and improve power loss
is
A. Turbine
B. Rotor
C. Impeller
D. Stator
60. Bent push rod is resulted from
A. Excessive engine speed,
B .Excessive valve guide clearance
C .Sticking valve
D. Worn rocker arm stud
61. All of the following can cause damage to turbo charger except
A. Inadequate cooling
B. Lack of oil change
C. Improper fuel pump
D. Restriction in exhaust system
62. When the engine is cold, the starting of the engine is usually ___________
A. Difficult
B. Easy
C. Smooth
D. Noisy
63. When a cold engine is started, it requires a _____________ mixture.
A. Leaner
B. Richer
C. Chemically equal
D. Moderate
64. Which of the following material is used in knock sensor?

A. Flap type sensor

B. Thermocouples
C. Thermistors
D. Piezoelectric pickup
65. What is the use of the lambda sensors?
A. To keep air ratio within acceptable range
B. To keep the air flow rate of constant
 C. To keep the exhaust pressure constant
D. To keep the exhaust temperature constant
66. Where are the electro-optical sensors used?
A. Piston temperature measurement
B. Position and speed measurement
C. Cooling water flow measurement
D. Lubricating oil flow measurement
67. When an engine runs for a long period with an excessively lean air-fuel mixture, the
possible cause will be:
A. engine Over heating
B. More fuel consumption
C. Law fuel consumption
D. Cold engine running
68. During a compression test, among the procedure one is removing;
A. Car battery
B. Spark plugs
C. Wheel tires
D. Cylinder head bolts
69. A head has a scuffed valve stem. What is the most probable cause?
A. Too little valve stem to guide clearance
B. Bad valve guide seal
C. Poor cooling system maintenance
D. Engine run slow
70. Three valve springs have tension readings below specifications. What should be done?
A. Shim the springs with 0.060" shims
B. Replace the springs
C. Heat the springs and quench them in oil
D. Lubricate the springs
71. When checking piston-to-cylinder wall clearance, which of the following is the wrong?
A. Using a feeler gauge at the ring lands
B. Using a feeler gauge on the thrust side of the skirt
C. Using a dial indicator and a micrometer
D. Using inside and outside micrometers
72. Which of the following is an acceptable method of measuring main bearing bores on
crankshaft?
A. outside micrometer
B. Inside micrometer
C. Digital outside micrometer
D. Steel ruler
73. -----------------is a solenoid-operated device controlled by the engine control module
 A. Starter solenoid
B. Fuel pump
C. Sensors
D. The fuel injector(s)
74. Throttle Position Sensor (TPS) is ------ used to convert the degree of throttle plate
opening to an electrical signal to the ECM/PCM
A. Capacitor
B. Condenser
C. Variable resistor
D. Thermistor
75. The engine control module sends a -----reference signal to sensors
A. 12V
B. 24V
C. 1V
D. 5V
76. Sum of rolling and aerodynamic resistance of the vehicle?
A. Frictional resistance
B. Air resistance
C. Running resistance
D. Traction force
77. If the traction resistance is equal to the total running resistance, then which of the
following will happen?
A. The vehicle will accelerate
B. The vehicle will decelerate
C. The vehicle will run at a constant velocity
D. The vehicle will come to rest
78. A sensor whose action affects the functioning of electronics controlled transmission
A. Throttle position sensor
B. Oxygen sensor
C. Exhaust gas recirculation sensors
D. Cam shaft position sensor
79. -------- shaped like cones with the tops cut off; the teeth point inward toward the apex of
the cone.
A. Spur gears
B. Bevel gear
C. Planetary gear
D. Helical gears
80. If two meshing gears have a 4:1 gear ratio and the smaller gear has 12 teeth, the larger
gear will have
 A. 12 teeth
B. 24 teeth
C. 36 teeth
D. 48 teeth

81. In transmission when low gear is selected

A. Small gear derive large gear
B. Large gear drive small gear
C. Two small gear drive each other
D. Two large gear drive each other
82. Takes care of the lengthening and shortening of the propeller shaft with rear axle
movement, the propeller shaft has a

A. Slip joints
B. Elbow joints
C. Release joints
D. Universal joints

83. The gear in the transmission that is always in mesh with the input gear is :
A. Second-and-high-speed gear
B. Low-speed gear
C. Idler gear
D. Counter shaft drive gear
84. When the clutch is engaged, spring pressure clamps the friction disk between the pressure
plate and
A. The flywheel
B. Differential
C. Reaction plate
D. Clutch pedal
85. In the typical friction disk, torsional vibration is absorbed by the use of a series of ----- on
the friction disc
A. Heavy cushion bolts
B. Waved pads
C. Coil springs
D. Pads
86. In the semi centrifugal clutch, pressure of the pressure plate against the friction disk -----
because of weights located
A. Decrease with speed inversely
B. Exerts uniform force
C. Increases with speed directly
D. Exert continuous force
87. The advantage of fluid coupling over mechanical coupling in transmission
A. Is lighter in weight as compared to other design
B. Absorb and cushion of engagement and gear shift
C. Improve acceleration specially at high altitude
D. Improve acceleration at low altitude
88. The ---------consists of two doughnuts vane members, guide rings and driving shafts
A. Transmission
B. Fluid coupling
C. Automatic clutch
D. Automatic transmission
89. Torque converter is special form of clutch that transmits torque at maximum efficiency
when
A. Both members are turning at close to the same speed
B. Drive unit turns at slower speed than driven unit
C. Drive unit turn at much faster speed than driven unit
D. Both drive and driven units are get maximum speed variation
90. In the torque converter operation:
A. Turbine drive during forward motion
B. The turbine drive the impeller
C. Drive condition reveres each time
D. The impeller drives the turbine.