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In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
Consider the following statements with regard to IC engines: 1. For best fuel economy of spark ignition engines, the fuel-air mixture should be lean 2. With supercharging, the specific consumption in compression ignition engines increases 3. With increase of load, knocking tendency in compression ignition engines increases Which of the above statements are correct?
Consider the following statements pertaining to supercharging of engines: 1. The power output for a given engine increases 2. The loss of power due to altitude is compensated 3. The increase in supercharging pressure decreases the tendency to detonate in spark ignition engines 4. The mechanical efficiency of supercharged engines is quite high compared to naturally aspirated engines Which of the above statements are correct?
How is the voltage of the used spark plug to fire when compared to a new spark plug?
Which of the following spark plug increases the resistance to increase the voltage required to jump across the spark plug gap?
The voltage required to produce a spark between the spark points in spark plug is in the range
Consider the following statements regarding C.I. engine: 1. C.I. engines are more bulky than S.I. engines 2. C.I. engines are more efficient than S.I. engines 3. Lighter flywheels are required in C.I. engines Which of the above statements are correct?
If the resistance of the deposits on the spark plug electrodes is sufficiently high, the loss of electrical energy through these deposits may prevent the spark discharge.
The fuels in order of decreasing knock tendency for spark ignition engines are ___________
Abnormal combustion knock produced by surface ignition in SI engines is not harmful as normal combustion knock.