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Friday, October 31, 2014

Basic Science for Civil Services Exams - 31 October 2014

1. The asteroid belt is a series of rocks that orbit the sun between Mars and _________________.
[A]Venus
[B]Saturn
[C]Jupiter
[D]Earth


2. Which of these gases is frequently used in refrigeration?
[A]Helium
[B]Methane
[C]Chlorine
[D]Ammonia


3. Which of the following is not a heart valve?
[A]Cardisac valve
[B]Mitral valve
[C]Pulmonary valve
[D]Aortic valve


4. What was the name of the German engineer who invented the first rotary engine?
[A]Wilhelm Rontgen
[B]Felix Wankel
[C]Charles Babbage
[D]Emile Berliner


5. Who came up with the idea of telephone?
[A]Thomas Edison
[B]Graham Bell
[C]Rudolf Karl Diesel
[D]Fritz Pfleumer


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