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The following question based on science & tech topic of general awareness mcq
- The design of the Astradharini is a collaborative effort of Naval Science and Technological Laboratory, Shoft Shipyard and IIT Kanpur.
- It has a unique design of a catamaran hull form that significantly reduces its power requirement and is built with indigenous steel.
- Having a length of 80 metres, the vessel is capable to do speeds up to 15 Knots.
(a) 1 and 3 only
(b) 2 and 3 only
(c) 1 and 2 only
(d) None of these
The correct answers to the above question in:
Answer: (a)
The design of the Astradharini is a collaborative effort of Naval Science and Technological Laboratory, Shoft Shipyard and IIT Kharagpur and has a unique design of a catamaran hull form that significantly reduces its power requirement and is built with indigenous steel. Having a length of 50 metres, the vessel is capable to do speeds up to 15 Knots.
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Read more science and tech Based General Awareness Questions and Answers
Question : 1
Which of the following was the first Indian exclusive defence satellite which was successfully launched on 29 August, 2013 ?
a) MIG - 47
b) GSAT - 6
c) GSET - 4
d) GSAT - 7
Answer »Answer: (d)
India’s first exclusive defence satellite GSAT-7 was successfully launched by European space consortium Arianespace’s Ariane 5 rocket from Kourou spaceport in French Guiana. The state-of-the-art satellite carried payloads operating in UHF, S, C and Ku bands.
Question : 2
To an astronaut in a spacecraft, the sky appears to be
a) White
b) Red
c) Dark
d) Blue
Answer »Answer: (c)
We see colours because of the way light is reflected off of objects or substances. Light can either be absorbed into the object (or substance) or reflected.
If an object or substance absorbs all wavelengths (colours) except blue, blue will be reflected and that is the colour we see. If a substance absorbs all wavelengths except red and yellow the object will appear orange. If an object or substance absorbs no wavelengths but reflects them all, it is white - not black, as you might think. The colour white is a combination of all colours. Black is the absence of any colour.
Space is black because there are no substances or objects to reflect back any colour (or all colours, which would make it white). That is also why the astronauts see the earth as we see it in photos, but the space around it is black.
The light from the sun is reflected back as the blues and greens and browns that we see, but the space around the earth is just that - empty space and therefore does not reflect back any colours, so it is black.
Question : 3
Geo–stationary satellite revolves at–
a) fixed height
b) height above pole
c) height which depends upon its mass
d) any height
Answer »Answer: (a)
A geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the Earth’s rotation period. Such a satellite returns to the same position in the sky after each sidereal day, and over the course of a day traces out a path in the sky that is typically some form of the analemma.
Geosynchronous satellites have the advantage of remaining permanently in the same area of the sky, as viewed from a particular location on Earth, and so permanently within view of a given ground station.
Geostationary satellites have the special property of remaining permanently fixed in exactly the same position in the sky, meaning that ground-based antennas do not need to track them but can remain fixed in one direction.
Question : 4
The New sign language translator – KINECT was developed by
a) Microsoft
b) Yahoo
c) Google
d) Apple
Answer »Answer: (a)
Question : 5
Study of life in outer space is
a) Exobiology
b) Neobiology
c) Entrobiology
d) Endobiology
Answer »Answer: (a)
The study of life outside earth or extraterrestrial life or alien life and the effects of extraterrestrial surroundings on living organism is known as Exobiology or Astrology or space biology. The hypothetical forms of life in space are of bacteria, and virus like organisms.
Question : 6
Consider the following statements.
- Reliance Jio has launched 4G (4th Generation) telecom service using LTE (Long Term Evolution) Technology.
- The service was launched by company’s Chairman Mukesh Ambani on the 83rd birth anniversary of Dhirubhai Ambani.
- Aamir Khan was appointed as the brand ambassador for Jio.
a) 1 and 3
b) 2 and 3
c) 1 and 2
d) All of these
Answer »Answer: (c)
Shah Rukh Khan was appointed as the brand ambassador for Jio.
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