Q. U233 is produced

View solution

Q. The pressure at the end of compression, in diesel engines, is approximately

View solution

Q. The detonation is also called knocking or pinking.

View solution

Q. The pre-ignition occurs before the spark is produced whereas detonation develops after the introduction of spark.

View solution

Q. The energy released during the fission of one atom of Uranium - 235 in million electron volts is about

View solution

Q. In open combustion chamber in diesel engines, the shape and layout of the piston crown, the inlet port and the valve produce the turbulent effect of fuel mixture.

View solution

Q. In a four stroke cycle petrol engine, the charge is ignited at

View solution

Q. A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to

View solution

Q. Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is

View solution

Q. In a diesel engine, the duration between the time of injection and ignition, is known as

View solution

Q. Ordinary water is sometimes used as moderator when enriched uranium is used as a fuel in nuclear power plants.

View solution

Q. The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because the

View solution

Q. The effective inhibitor of pre-ignition is

View solution

Q. The purpose of testing an internal combustion engine is

View solution

Q. The thermal efficiency of diesel engines is about

View solution

Q. The brake power of a diesel engine, keeping other parameters constant, can be increased by

View solution

Q. 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.

View solution

Q. Pre-ignition is caused by the spontantaneous combustion of the mixture before the end of the compression stroke, and is due to

View solution

Q. The expansion of fuel in a four stroke cycle diesel engine

View solution

Q. The object of supercharging the engine is

View solution