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In making decisions about important questions, it is desirable to be able to distinguish between strong and weak arguments. Strong arguments are those, which are both important and directly related to the question. Weak arguments are those, which are of minor importance and also may not be directly related to the question or may be related to a trivial aspect of the question. The questions below are followed by two arguments each numbered I and II. You have to decide which of the two arguments is the strong argument and which is the weak argument. Statement: Should the Indian Government withdraw the subsidies on LPG cylinders considering a portion of the population can afford to buy unsubsidised cylinders? Arguments: Yes. Subsidising cylinders leads to its misuse. By not giving subsidies on cylinders, the Government can save a part of its income and spend it on other more productive uses. No. Withdrawing subsidies on cylinders would make them too expensive for the poor and the middle class income groups and they would eventually turn to unsustainable means for household uses leading to pollution and ill health.
Which one of the statement is correct?
1. Petrol engine is a reciprocating engine
2. Petrol engine is high speed engine
3. Petrol engine uses petrol as fuel
4. Petrol engine is internal combustion engine
Which of the following are essential for a good combustion chamber of turbojet engine? 1. It should allow complete combustion of fuel. 2. It should maintain sufficiently high temperature in the zone of combustion in addition to proper atomization of fuel thus leading to continuous combustion. 3. It should not have high rate of combustion. 4. The pressure drop should be as small as possible
In a SI engine, combustion stage I takes 1 ms and combustion stage II takes 1.5 ms when the engine runs at 1000 rpm. If stage I time duration is independent of engine speed what will be the additional spark advance necessary when the engine speed is doubled?
In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as
Internal combustion engine works based on rotary mechanism is __________
Consider the following statements: Combustion chamber is 1. the volume between TDC and BDC during the combustion process 2. the space enclosed between the upper part of the cylinder and the top of the piston during the combustion process 3. the space enclosed between TDC and the top of the piston during the combustion process Which of the above statements is/are CORRECT?
Which of the following option is true about rotary tables? Statement 1: Index is not used with optical rotary table. Statement 2: Accurate worm and gear rotary table can be used with an index plate.
Consider the following statements: 1. Both Otto and Diesel cycles are special cases of dual combustion cycle 2. Combustion process in IC engines is neither fully constant volume nor fully constant pressure process 3. Combustion process in ideal cycle is replaced by heat addition from internal source in closed cycle 4. Exhaust process is replaced by heat rejection in ideal cycle Which of the above statements are correct?
Rotary internal combustion engine is an inversion of a four bar chain. True or false?