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- Question
The auto ignition in a spark ignition engine means
Options- A. automatic ignition of the charge at the end of compression
- B. ignition induced by the passage of a spark
- C. ignition of the charge before the passage of flame front
- D. ignition induced to supplement the process of normal combustion
- Correct Answer
- ignition of the charge before the passage of flame front
- 1. The damper fluid leakage typically occur from
Options- A. upper damper mounting
- B. bottom of damper
- C. clearance between inner and outer tubes of damper
- D. coil spring mounting Discuss
- 2. The included angle is the sum of the
Options- A. camber and castor
- B. castor and S.A.I
- C. camber and S.A.I.
- D. camber and toe-in Discuss
- 3. The most effective method of controlling S.I. engine exhaust emission is by
Options- A. recirculating exhaust
- B. using catalytic converter
- C. using some additives in the fuel
- D. none of these Discuss
- 4. The discharged lead-acid battery has on its plates
Options- A. lead peroxide (PbO2)
- B. spongy lead (Pb)
- C. lead sulphate (PbSO4)
- D. sulphuric acid (H2SO4) Discuss
- 5. An under-inflated tyre will wear the tread most
Options- A. near the centre
- B. near the edges
- C. in the lateral direction
- D. in the cross direction Discuss
- 6. During suction stroke, the inside pressure of cylinder is
Options- A. more than the atmospheric pressure
- B. less than the atmospheric pressure
- C. equal to the atmospheric pressure
- D. none of these Discuss
- 7. The main characteristics of a maintenance-free (MF) battery is that
Options- A. a maintenance-free battery requires little maintenance during normal use and it is sufficient to add water instead of an electrolyte containing sulphuric acid
- B. a maintenance-free battery has a relatively short shelf life when compared with standard batteries
- C. since it is sealed, the water in a maintenance-free battery is not lost through evaporation thus accordingly it is not necessary to top up the cells with water
- D. recharging of a maintenance-free battery is neither required nor possible Discuss
- 8. The lower cylindrical portion of the piston which improves piston cooling performance is called
Options- A. piston crown
- B. connecting rod
- C. piston pin boss
- D. piston skirt Discuss
- 9. The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to
Options- A. enable the pump's fault-diagnosis function to operate
- B. warm up and lubricate the pump
- C. supply a large amount of fuel and thereby create a choke effect
- D. pressurise the fuel system before the engine is started Discuss
- 10. In petrol engines, during suction stroke, __________ is drawn in the cylinder
Options- A. air and fuel
- B. only fuel
- C. only air
- D. none of these Discuss
Automobile Engineering problems
Search Results
Correct Answer: clearance between inner and outer tubes of damper
Correct Answer: camber and S.A.I.
Correct Answer: using catalytic converter
Correct Answer: lead sulphate (PbSO4)
Correct Answer: near the edges
Correct Answer: less than the atmospheric pressure
Correct Answer: since it is sealed, the water in a maintenance-free battery is not lost through evaporation thus accordingly it is not necessary to top up the cells with water
Correct Answer: piston skirt
Correct Answer: pressurise the fuel system before the engine is started
Correct Answer: air and fuel
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