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* 1. Please provide your contact details

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* 2. What is your trade certificate title and what year was it issued?

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* 3. All entrants must provide a copy of their trade certificate, comp@macmahon.com.au to be eligible to participate in the competition. Please select yes to confirm you have conformed to this requirement. (Certificate will be verified if you are short listed).

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* 4. Are you employed full time as a plant mechanic in the mining industry?

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* 5. Are you on the tools daily?

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* 6. Are you available to complete aspects of this competition on Sunday 22nd of March 2020?

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* 7. I have been qualified for

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* 8. If an imperial bolt measures 9.525mm across the shank, it is?

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* 9. What is the temperature rise in an engine cooling system when at full load?

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* 10. PWM = Power Work Mode?

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* 11. A 15 amp globe in a 24 volt circuit will?

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* 12. If we increase hydraulic cylinder head-end surface area (larger diameter
cylinder)?

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* 13. Three helical gears running in line, in mesh. Gear A has 25 teeth and rotates @100rpm in a clockwise direction. Gear B has 75 teeth and gear C has 50 teeth.

  Clockwise Anti-Clockwise Sinusoidal 33.33 rpm 50 rpm 75 rpm 125 rpm
A - What direction is gear C rotating?
B - What is the speed of gear C?
C - What is the speed of gear B?

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* 14. TPS = Transmission Pressure Sensor?

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* 15. What is the Torque setting for a 3/8 UNC grade 8 bolt?

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* 16. Two 12 volt batteries wired in series will produce 24 volts?

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* 17. The direction of current flow in a diode is towards the band?

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* 18. Traction control speed sensors are located on the torque converter output

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* 19. Insite/ET are hydraulic test tools?

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* 20. The purpose of a one way clutch in a torque converter stator is to?

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* 21. Maximum air filter restriction for a large diesel engine is?

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* 22. If an engine sensor has a supply of 5 volts is it digital?

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* 23. 35 API diesel has more BTU’s of heat energy than an 45 API diesel?

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* 24. Does a battery produce Hydrofluoric gas when charged?

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* 25. The refrigerant state from the TX valve to the evaporator is?

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Calculating power in an electrical circuit

Calculating power in an electrical circuit

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* 26. Complete the following statements:

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Mechanical Advantage

Mechanical Advantage

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* 27. The cylinders above are numbered 1 to 4 from left to right.
- Cylinder 4 has a surface area of 2 square inches
- Cylinder 3 has a surface area of 5 square inches
- The load on cylinder 1 is 450 lbs.

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* 28. A higher altitude will result in?

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* 29. A dozer quick drop valve will allow?

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* 30. HMU = ?

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