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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?
Directions : Following question consists of a statement followed by three arguments I, II and III . You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should coal engines be replaced by electric engines in trains? Arguments : I. Yes. Coal engines cause a lot of pollution. II. Yes. Electric engines are good on performance, easy to operate and low on maintenance. III. No. India does not produce enough electricity to fulfil its domestic needs also.
Directions : Following question consists of a statement followed by three arguments I, II and III . You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument.

Statement : Should coal engines be replaced by electric engines in trains?

Arguments :
I. Yes. Coal engines cause a lot of pollution.
II. Yes. Electric engines are good on performance, easy to operate and low on maintenance.
III. No. India does not produce enough electricity to fulfil its domestic needs also.
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?
If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ?
If 5 engines consume 6 metric tonnes of coal when each is running 9 hours a day, how many metric tonnes of coal will be needed for 8 engines, each running 10 hours a day, it begin given that 3 engines of the former type consume as much as 4 engines of the latter type ?
Which of the following has selected CFM International Inc. engines to power its fleet of 310 new Airbus aircraft?
The CFM International LEAP-1B engines have a fan diameter of __________ inches.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: 1. Some cars are rockets. 2. All rockets are engines. Conclusions: I. Some engines are rockets. II. Some engines are cars.