General Science and Ability 2009

**The number of spark plugs needed in a diesel engine is:**A) 0B) 1C) 2D) 4 Show Answer Correct Answer: A – 0

**The half-life of a radioactive element is 8 days. How long will it take to reduce it from 10 mg to 5 mg?**A) 4 daysB) 12 daysC) 16 daysD) 8 days Show Answer Correct Answer: D – 8 days

**The term ‘Blue Shift’ is used to indicate:**A) Doppler effect in which an object appears bluer when moving towards the observer or observer is moving towards the objectB) Turning a star from white to blueC) In future the sun would become blueD) Black hole was blue at its start Show Answer Correct Answer: A –…

**Kilowatt-hour is a unit of:**A) PowerB) Electric currentC) Electrical energyD) Time Show Answer Correct Answer: C – Electrical energy

**Fuel used in a Fast Breeder Reactor is:**A) Uranium OxideB) Uranium Plutonium carbideC) Uranium Plutonium OxideD) Uranium Thorium Oxide Show Answer Correct Answer: C – Uranium Plutonium Oxide

**Which of the following is most elastic?**A) SteelB) RubberC) GlassD) Sponge Show Answer Correct Answer: A – Steel

**Monsoon is caused by:**A) Seasonal reversal of windsB) Revolution of EarthC) Movement of the cloudsD) Rise in temperature Show Answer Correct Answer: A – Seasonal reversal of winds

**The orbital period of the planet Mercury around the sun is:**A) 88 daysB) 365 daysC) 2 yearsD) None of these Show Answer Correct Answer: A – 88 days

**Which of the following atmospheric layers helps in radio communication?**A) ExosphereB) IonosphereC) TroposphereD) Stratosphere Show Answer Correct Answer: B – Ionosphere

**The most splendid and magnificent constellation in the sky is:**A) OrionB) ColumbaC) Canis MajorD) Taurus Show Answer Correct Answer: A – Orion