CRDe POST_TEST_ZCCM

Technician ‘A’ says that the first colour code indicates the basic colour in a wire. Technician ‘B’ says that the second colour indicates the marking colour. Who is correct ?

• Both of them
• Technician ‘B’
• Technician ‘A’
• None of them

Technician ‘A’ says that MIL is only for ‘Emission failure’. Technician ‘B’ says that CHECK LAMP is for both ‘Emission & other’ failure. Who is correct ?

• Technician ‘A’
• Both of them
• Technician ‘B’
• None of them

Technician ‘A’ says that ‘PILOT’ injection is used in Common Rail fuel system to reduce NOISE. Technician ‘B’ says that ‘PILOT’ injection is not used in mahindra CRDe tractor. Who is correct ?

• Both of them
• Technician ‘A’
• Technician ‘B’
• None of them

Technician ‘A’ says that ‘POST’ injection is used in Common Rail fuel system to reduce NOISE. Technician ‘B’ says that ‘POST’ injection is used to reduce TORQUE vibration. Who is correct ?

• None of them
• Technician ‘A’
• Technician ‘B’
• Both of them

Injector BACK LEAK test is being discussed. Technician ‘A’ says that the test does not represent if the injector is good or bad. Technician ‘B’ says that the test acts a guide to identify suspect injector from the set of injectors only. Who is correct ?

• Both of them
• None of them
• Technician ‘A’
• Technician ‘B’

Technician ‘A’ says that always read the ‘connector pin’ number from FRONT only. Technician ‘B’ says that always read the ‘connector pin’ number from REAR – wire end only. Who is correct ?

• Technician ‘B’
• Technician ‘A’
• Both of them
• None of them

Technician ‘A’ says that if you read the IQA code WRONG, ECU will not understand that & ECU will not correct that. Technician ‘B’ says that if you flash the WRONG cylinder number to injector IQA code, ECU will not understand that & ECU will not correct that. Who is correct ?

• Both of them
• Technician ‘B’
• Technician ‘A’
• None of them

Technician ‘A’ says that IQA is a code related to the flow rate of the injector. Technician ‘B’ says that the IQA code enables the ECU to decide correct injection timing. Who is correct ?

• Technician ‘A’
• None of them
• Both of them
• Technician ‘B’

What is an ACTUATOR ?

• converting the electrical energy into mechanical quantities
• convert physical / mechanical quantities to electrical signals
• senses the actuation of a device
• DON’T KNOW

In CRDe engine, how the quantity of fuel to be injected is varied ?

• by varying duration of opening time of the injector
• by varying the pressure of the COMMON RAIL
• by varying the pressure of the FUEL PUMP
• DON’T KNOW