science & tech MCQ section 2 MCQ Questions & Answers Detailed Explanation

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The following question based on science & tech topic of general awareness mcq

Questions : Consider the following Statements:
  1. Austrian researchers unveiled the world's first 3D-printed jet engine. This is the first of its kind 3D printed engine on 26 February 2015.
  2. The engine will help engineers in making and testing parts of jet engines in days instead of months.
  3. 3D printing makes products by layering material until a three-dimensional object is created.
Which of the statements given above is/are correct?

(a) 1 and 3 only

(b) 2 and 3 only

(c) 1 and 2 only

(d) All of the above

The correct answers to the above question in:

Answer: (b)

Australian researchers unveiled the world's first 3D-printed jet engine.

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Question : 1

Which of the following statements are correct regarding advance Electronic Warfare (EW) suite tested recently?

  1. It has been developed by Council of Scientific & Industrial Research (CSIR).
  2. It is fitted with a Jammer in addition to a Warner, which would enhance its capability against the RADAR system.
  3. It was tested onboard of Tejas-PV1.
Codes:

a) 1 and 3 only

b) 2 and 3 only

c) 1 and 2 only

d) All of these

Answer: (b)

It has been developed by Defence Research and Development Organisation (DRDO).

Question : 2

With reference to the treatment of cancerous tumours, a tool called cyberknife has been making the news. In this context, which one of the following statements is not correct ?

a) It has the capability of achieving sub-millimetre accuracy.

b) It is a robotic image guided system.

c) It delivers an extremely precise dose of radiation.

d) It can map the spread of tumour in the body.

Answer: (d)

Cyber knife is a frameless robot radiosurgery system, and is a non-invasive alternative to surgery for the treatment of both cancerous and non cancerous tumour.

Question : 3

Which country launched first ever deep UV laser device?

a) Canada

b) UK

c) China

d) USA

Answer: (c)

The Chinese Academy of Sciences (CAS) has launched a deep ultraviolet (DUV) solid-state laser device, making the country first-ever in the world to possess such technology in September, 2013.

Question : 4

Beagle 2, which was found after eleven years, was a space probe to

a) Mars

b) Moon

c) Mercury

d) Venus

Answer: (a)

Beagle was released European Space Agency’s Mars Express (MEx) orbiter in 2003. It was discovered by NASA’s Mars Reconnaissance Orbiter (MRO)

Question : 5

What is the name of the Light Combat Aircraft developed by India indigenously ?

a) Chetak

b) Tejas

c) Astra

d) BrahMos

Answer: (b)

The HAL Tejas is a lightweight multirole fighter developed by India. It is a tailless, compound delta wing design powered by a single engine. It came from the Light Combat Aircraft (LCA) programme, which began in the 1980s to replace India’s ageing MiG-21 fighters. Later, the LCA was officially named “Tejas”, meaning “Radiance” by then Prime Minister Atal Bihari Vajpayee.

The Tejas has a pure delta wing configuration, with no tailplanes or foreplanes, and a single dorsal fin. It integrates technologies such as relaxed static stability, fly-by-wire flight control system, advanced digital cockpit, multi-mode radar, integrated digital avionics system, advanced composite material structures and a flat rated engine.

Question : 6

US President Barack Obama has ended India’s nuclear isolation by announcing lifting of ban on high-end technology exports and removal of Indian organizations from the banned entity list. Choose the organizations from the following list, which have been removed from the banned list.

  1. Indian Space Research Organisation
  2. Defence Research and Development Organisation
  3. Bharat Dynamics Limited
  4. Department of Atomic Energy

a) 1, 2 and 3

b) 2, 3 and 4

c) 1, 3 and 4

d) 1, 2, 3 and 4

Answer: (d)

US President Barack Obama has removed all the given organizations from banned entity list.

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