science & tech MCQ section 2 Practice Questions Answers Test with Solutions & More Shortcuts
science & tech PRACTICE TEST [7 - EXERCISES]
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science & tech MCQ section 7
Question : 26 [SSC CGL 2011]
OTEC stands for
a) Oil and Thermal Energy Conservation
b) Ocean Thermal Energy Conversion
c) Oil and Thermal Energy Convention
d) Ocean Thermal Energy Conservation
Answer »Answer: (b)
Ocean Thermal Energy Conversion (OTEC) uses the temperature difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work, usually in the form of electricity.
However, the temperature differential is small and this impacts the economic feasibility of ocean thermal energy for electricity generation. The most commonly used heat cycle for OTEC is the Rankine cycle using a low-pressure turbine.
Question : 27
Consider the following statements:
- United States-India PeacefulAtomic Energy Cooperation Act, 2006 was named in honour of the Chariman of the House Committee on International Relations.
- About 25% of world’s total thorium reserves are in India.
a) 2 only
b) 1 and 2 both
c) 1 only
d) None
Answer »Answer: (b)
The United States-India Peaceful Atomic Energy cooperation Act, 2006 was named after the chairman of the House committee on international relations Henry J. Hyde.
The agreement is also known as the 123 agreement. Under the agreement, India agreed to separate its civil and military nuclear facilities and place all its civil nuclear facilities under IAEA (International Atomic Energy Agency) safeguards.
Question : 28
Which of the following statements regarding Global-INK (Indian Network of Knowledge) is not correct?
a) The network will serve as a strategic ‘virtual think tank’
b) The outcome target will be the germination of ideas on development and articulating and mapping out solutions through innovation and technological interventions
c) It is an ICT (Information and Communication Technology) enabled platform for next generation knowledge management.
d) The network is being developed by Reliance communication
Answer »Answer: (d)
Prime Minister at the Pravasiya Bhartiya Divas held 2009, at Chennai had inaugurated a portal-Global Indian Network of Knowledge.
The network is being developed by Tata Consultancy Services (TCS).
Question : 29
Graphene is a
a) three-dimensional material comprising of sheets of carbon atoms
b) two-dimensional material comprising of sheets of Silicon atoms
c) two-dimensional material comprising of sheets of carbon atoms
d) three-dimensional material comprising of sheets of Silicon atoms
Answer »Answer: (c)
Graphene is a two-dimensional material comprising of sheets of carbon atoms and is one of the the strongest, most lightweight and flexible materials
Question : 30
Consider the following statements about Minor planet.
- It was named after India’s chess legend Vishwanathan Anand by the Minor Planet Centre.
- Now the Minor planet will be called as 4538 Vishyanand.
- It is located somewhere between the Mars and Venus.
a) 1 and 3 only
b) 2 and 3 only
c) 1 and 2 only
d) All of the above
Answer »Answer: (c)
A minor planet is a term used to describe an astronomical object that is neither a dominant planet nor a comet and thus includes the dwarf planets that orbit around the Sun.
Minor planet 4538 Vishyanand was discovered on 10 October 1988 by Japanese astronomer Kenzo Suzuki which is located somewhere between Mars and Jupiter.
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