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Which of the following remarks pertaining to supercharging of IC engines are correct? 1. Ideal supercharging increases the output, but decreases the thermal efficiency slightly 2. The indicated mean effective pressure and mechanical efficiency increase with supercharging 3. The permissible amount of supercharging depends on the compression ratio, air-fuel mixture and design of engine 4. Engine friction losses increase with supercharging
Consider the following statements regarding supercharging of CI engines: 1. Supercharging results in a quieter and smoother operation of a CI engine 2. Supercharging of a CI engine requires an increase in valve overlap 3. The limit of supercharging for a CI engine is reached by thermal and mechanical loading 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?
Which of the following statements are CORRECT? 1) Static allocation of all data areas by a compiler makes it impossible to implement recursion. 2) Automatic garbage collection is essential to implement recursion 3) Dynamic allocation of activation records is essential to implement recursion 4) Both heap and stack are essential to implement recursion
Essential Commodities Act (ECA), 1955 was in news recently. Which of the following statement(s) is/are incorrect about ECA?
1. ECA was enacted to ensure the easy availability of essential commodities to consumers.
2. Government intervention through ECA can increase price volatility of essential Commodities
3. ECA incentivises storag e infrastructure development
Select the correct answer:
The reason for supercharging in any engine is to
A compressor mostly used for supercharging of I.C. engines is
The object of supercharging the engine is
Supercharging is the process of
Supercharging is the process of supplying the intake air to the engine cylinder at a density _________ the density of the surrounding atmosphere.