A. has octane number of 0
B. has octane number of 50
C. has octane number of 100
D. is an index of detonation quality
E. is an index of knocking quality
Correct Answer: has octane number of 100 ✔
Last Updated: May 18, 2023
Related MCQs
- The patrol is distilled at a temperature from :
- Which of the following is mostly used used as blast furnace fuel for extracting pig iron from iron ores?
- Which of the following solid fuel has high carbon content?
- Which of the following solid fuel has high caloric value : __________?
- The average calorific value of wood is about : __________?
- The natural solid fuels are : ________?
- The efficiency of the ideal diesel cycle is ________ than that of Otto cycle, for the same compression ratio
- Diesel Cycle is also known as : __________?
- Pick up false statement?
- With increase in engine speed, the ignition of spark in petrol engine has to be __________?
- Carburretion is done to__________?
- The theoretically correct mixture of air and petrol is approximately __________?
- The following type of carburettor is preferred__________?
- The basic requirement of a good combustion chamber is__________?
- The part load efficiency of a carburettor is,__________?
- Deposition of carbon in petrol engine cylinder would result in increase of__________?
- If petrol is used in a diesel engine, then__________?
- In turbulence chamber in diesel engine__________?
- Scavenging air is supplied to a two-stroke engine at a density greater than that of atmosphere. This means the engine is__________?
- A two stroke crank compressed engine has following ports in the cylinder__________?
- A two stroke engine is usually identified by__________?
- In the case of compression ignition engine, the %age of CO in exhaust gases is__________?
- The thermal efficiency of a semi-diesel cycle having fixed compression ratio and fixed quantity of heat, with increase in pressure ratio will__________?
- In precombustion chamber in diesel engine__________?
- In a diesel engine, injection pressure developed by injector is of the order of__________?
- In the case of petrol engine at maximum output, the percentage of CO in exhaust gases is __________?
- All the four operations in two stroke engine are performed in following number of revolutions of crank shaft__________?
- As the number of cylinders in multi-cylinder engine increases, the power to weight ratio__________?
- The termal efficiency of a petrol engine at design load is around__________?
- Method of governing used in petrol engine is__________?
- Method of governing used in diesel engine is__________?
- In isochronous governing, speed droop is__________?
- An engine has a normal speed of 960 r.p.m. and no load speed of 1000 r.p.m. The speed droop of governor will be about__________?
- If diesel is fed by mistake in the oil tank of a petrol engien, then engine will__________?
- For the same size and weight, a two stroke engine as compared to four stroke engine will generate power__________?
- For low load operation, more suitable (economical) engine is__________?
- Hot air standard diesel cycle efficiency with increase in value of C„__________?
- Which of the following engines can work on very lean mixture__________?
- In open combustion chamber in diesel engines__________?
- In petrol engine using a fixed octane rating fuel and fixed compression ratio, super charging will__________?
- Theoretically, the following engine should have maximum efficiency__________?
- The thermal efficiency of a diesel engine is of the order of__________?
- The ignition coil in diesel engines produces voltage of the order of__________?
- In petrol engines, advancing the spark timing will__________?
- The essential equipment for producing high vlotage for sparking in petrol engines with battery is__________?
- For low speed operation or for idling in petrol engines, the engine requirements are for__________?
- Power impulses from an I.C. engine are somoothed out by__________?
- In carburettors, the top of the fuel jet with reference to the level in the float chamber is kept at__________?
- In petrol engines, the maximum power is developed corresponding to relative fuel air ratio of__________?
- In petrol engine, increase of cooling water temperature will__________?
- The pour point of diesel oil must be__________?