IC Engines and Nuclear Power Plants Questions

• Ordinary water is sometimes used as moderator when enriched uranium is used as a fuel in nuclear power plants.
• The object of supercharging the engine is
• The basic requirement of a good combustion chamber is
• In a diesel engine, the duration between the time of injection and ignition, is known as
• The injection pressure in a diesel engine is about
• The secondary fuel used in nuclear power plants is
• The detonating tendency in petrol engines increases with increase of compression ratio.
• Reactors for propulsion applications are designed for
• The thermal efficiency of diesel engines on weak mixtures is
• In diesel engines, the fuel is injected in the form of very fine spray, into the engine cylinder, which gets ignited due to high temperature of the compressed air.
• The correct mixture strength (by weight) for petrol is about
• A petrol engine, during suction stroke draws
• A moderator
• A turbo-jet does not require a turbine to drive the compressor.
• For the same maximum pressure and heat input, the exhaust temperature of petrol engine is __________ than that of diesel engine.
• A supercharged engine as compared to an ordinary engine
• The ratio of the brake power to the indicated power is called
• The frictional power (F.P.) is given by
• If V1 is the jet velocity and V0 is the vehicle velocity, then the propulsive efficiency of a rocket is given by
• The theoretically correct mixture of air and petrol is