EPA #4

Mark 4 out of 4.

This question relates to the turbocharger shown in the image.

a.       Identify component 9. (1 mark)

Mark 4 out of 4.

This question relates to the turbocharger shown in the image.

          b.       Identify component 10. (1 mark)

Mark 4 out of 4.

This question relates to the turbocharger shown in the image.

c.       What would happen if pipe 11 were to become blocked? (1 mark)

Mark 4 out of 4.

This question relates to the turbocharger shown in the image.

          d.       State the effects this would have on the engine. (1 mark)

         Mark 4 out of 4.

Using the diagram of a self-propelled machines 12v starting and charging system.

        a.      State what test is being carried out shown at V1. (1 mark)

 Mark 4 out of 4.

Using the diagram of a self-propelled machines 12v starting and charging system.

        b.      State what test is being carried out shown at V2. (1 mark)

 Mark 4 out of 4.

Using the diagram of a self-propelled machines 12v starting and charging system.

        c.       State the maximum acceptable voltage measured on V2 when the engine is   being turned over. (1 mark)

 Mark 4 out of 4.

Using the diagram of a self-propelled machines 12v starting and charging system.

d.      If the starter motor is rated at 3Kw, what would the ammeter (A) record when the engine is being `cranked`? (1 mark)

A self-propelled machine’s automatic gearbox has developed an upshift fault which has illuminated the malfunction indicator lamp.  

       a.       State 3 preliminary checks that should be carried out to the gearbox before connecting the diagnostic tester. (3 marks)

A self-propelled machine’s automatic gearbox has developed an upshift fault which has illuminated the malfunction indicator lamp.  

       b.       Once the diagnostic tester has been connected, how can the technician confirm the reason for the lamp being illuminated? (1 mark)