Which of the following Exhaust After Treatment requires DEF (Diesel Exhaust Fluid) in BS6 Diesel Engine? ????????? ?? ??? ?????????? ??? ?? ??? ????? ?? ??? BS6 ???? ???? ??? ????? (???? ????? ????) ?? ???????? ???? ???
- DPF-Diesel Particulate Filter ??????-???? ??????????? ??????
- LNT-Lean NOx Trap ??????-??? ??????? ?????
- SCR-Selective Catalytic Reduction ??????-????????? ????????? ???????
- DOC-Diesel Oxidation Catalyst ?????-???? ???????? ?????????
Correct Answer : b. LNT-Lean NOx Trap ??????-??? ??????? ?????
What is the purpose of Mass air flow sensor ? ??? ??? ???? ????? ?? ???????? ???? ???
- To decide on injector energizing time ???????? ?? ?????? ???? ?? ??? ?? ????
- To correct air flow map and regulate EGR flow ???? ?????? ???????? ?? ??? ???? ?? ????? ?????? ?? ????????? ????
- Synchronization for sequence of fuel injection ????? ???????? ?? ??????? ?? ??? ??????????????
- Monitors rail pressure ??? ?????? ?? ??????? ????
Correct Answer : b. To correct air flow map and regulate EGR flow ???? ?????? ???????? ?? ??? ???? ?? ????? ?????? ?? ????????? ????
Air Intake system _________ atmospheric air to the engine cylinders. ??? ????? ?????? ?????????? ??? ?? ???? ??????? ?? ________?
- transports ?? ???? ??
- cleans & transports ??? ???? ?? ?? ?? ???? ??
- cleans ??? ????? ??
- None of the Above ????????? ??? ?? ??? ????
Correct Answer : b. cleans & transports ??? ???? ?? ?? ?? ???? ??
Oxidation Catalyst are commonly used in Petrol Engines ????????? ????????? ?? ????? ????????? ??????? ?????? ??? ???? ???? ??
- TRUE ????
- FALSE ?????
Correct Answer : b. FALSE ?????
Resistance is measured in _________. ???????? ?? _________ ??? ???? ???? ???
- V ??
- R ??
- Ohms ??
- AH ???
Correct Answer : c. Ohms ??
What is the correct method of checking the voltage ??????? ?? ?????? ?? ??? ????? ???? ???
- When circuit is ?N? multi-meter probes parallel to the load ?? ?????? "??" ???? ??, ?? ?????-???? ????? ??? ?? ???????? ???? ??
- When circuit is ?FF? multi-meter probes parallel to the load ?? ?????? "??" ???? ??, ?? ?????-???? ????? ??? ?? ???????? ???? ??
- Both A & B ? ?? ?? ?????
- None of the Above ????????? ??? ?? ??? ????
Correct Answer : a. When circuit is ?N? multi-meter probes parallel to the load ?? ?????? "??" ???? ??, ?? ?????-???? ????? ??? ?? ???????? ???? ??
What is the function of a fuse in electrical circuit ??????? ????? ??? ????? ?? ???? ????? ???? ???
- Fuse is used save the electrcial device such has horn, light etc. ????? ?? ??????? ???? ?????, ???? ??? ?? ????? ?? ??? ????? ?? ????? ???? ???? ???
- Fuse is used prevent electrical shock ????? ?? ???????? ????? ?? ???? ???? ???? ?? ????? ?? ??? ???? ???? ??
- Fuse is used to save wiring in the event of short circuit. ????? ?????? ?? ?????? ??? ??????? ?? ????? ?? ??? ????? ?? ???????? ???? ???? ???
- Fuse is used to turn On and Off the devices ??????? ?? ???? ?? ??? ???? ?? ???????? ?? ????? ?? ???????? ???? ???? ??
Correct Answer : c. Fuse is used to save wiring in the event of short circuit. ????? ?????? ?? ?????? ??? ??????? ?? ????? ?? ??? ????? ?? ???????? ???? ???? ???
In the lubrication system the oil is used for : ???????????? ?????? ??? ??? ?? ????? ????? ???? ???? ??:
- lubricating the bearing surfaces ??????? ???? ????? ?? ?????? ???? ?? ???
- It cools the bearings by absorbing the friction-generated heat? ?? ????? ?? ??????? ???? ???? ????? ?? ??????? ???? ??????? ?? ???? ???? ???
- Both A & B ????? ? ?? ??
- None of the Above ????????? ??? ?? ??? ????
Correct Answer : c. Both A & B ????? ? ?? ??
Which of the following statement is correct with respect to Fix it First Time Right ????? ?? ?????? ???? ???? ?? ????? ??? ?????????? ????? ??? ?? ??? ??? ???
- Understand the complaint from the job card / supervisor / vehicle owner ??? ?????/?????????/???? ????? ?? ?????? ?? ??????
- Verify the complaint yourself. Take a road test if required. Sometimes it? only perception of the owner that vehicle performance is not good. ?????? ?? ??????? ?? ????? ????? ???????? ?????
- Find out the root cause of the complaint. Use diagnostic tools and manuals as required. ?????? ?? ??? ???? ?? ??? ?????? ????????????? ???????????? ??? ?? ?????? ?? ????? ?????
- All of the above ????????? ???
Correct Answer : d. All of the above ????????? ???
A _______review of the customer can result in lost business and a bad reputation. ?????? ?? _______ ??????? ?? ???????????? ??????? ??? ?????? ?? ????????? ??? ??? ?? ???? ???
- Good ?????
- bad ????
- Both A & B ? ?? ?? ?????
- All of the above ????????? ???
Correct Answer : b. bad ????
