UPSC PRELIMINARY MOCK TEST 81

 

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UPSC PRELIMINARY MOCK TEST 81

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Question 1
Gulf of Riga is present in
A
North Sea
B
Baltic sea
C
Norwegian sea
D
None


Question 1 Explanation: 

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Question 2
Beirut Declaration, often seen in the news for peace and development in the Arabian Peninsula and the Middle East is associated with:
A
Arab free trade zone
B
Support to Palestine independence
C
Military coalition to fight the ISIS
D
Greenhouse gas reduction


Question 2 Explanation: 
Arab free trade zone
Question 3
Recently in the news, what is unique about the 'Sabre Engine' being developed by the company 'Reaction Engines Limited'?
A
It is a jet engine that consumes only half the fuel that traditional aircraft engines utilise to generate the same thrust
B
It is a part jet engine, part rocket engine that will enable hypersonic travel around the earth
C
This engine will power NASA's Quiet Supersonic Technology-based X-planes that will enable supersonic travel around the earth
D
None of the above


Question 3 Explanation: 

Reaction Engines Limited (REL), the UK company developing a revolutionary aerospace engine, recently announced investments from both Boeing and Rolls-Royce.

  • REL is working on a propulsion system that is part jet engine, part rocket engine. The company believes it will transform the space launch market and usher in hypersonic travel around the Earth.
  • 'Hypersonic' refers to speeds of more than five times the speed of sound (Mach 5).
  • REL is developing what it calls the Sabre engine. This power plant is designed to push a vehicle from a standing start all the way to orbit in a single step.
  • It would work like a conventional jet engine up to about Mach 5.5 before then transitioning to a rocket mode for the rest of the ascent.
  • Key technologies include a compact pre-cooler heat-exchanger that can take an incoming airstream at a temperature of over 1,000C and cool it to -150C in less than 1/100th of a second. This would permit Sabre to use oxygen direct from the atmosphere for combustion instead of carrying it in a tank with the weight penalty that implies.

http://www.bbc.com/news/science-environment-43732035 ;

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Question 4
Consider the following statements regarding Pink City;
  1. The city was fortified by Sawai Raja Man Singh therefore called a Walled city.
  2. The city is home to a UNESCO world heritage site.
Which of the above statements is/are correct?
A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2


Question 4 Explanation: 
Statement 1 is incorrect. The pink city of jaipur is also known as walled city. It was fortified by Sawai Jai Singh II.

Statement 2 is correct. Jantar Mantar of Jaipur is part of UNESCO World Heritage list and the Jaipur city itself has the UNESCO World Heritage City tag.

Question 5
With reference to difference between CPI and WPI, which of the following statement(s) is/are correct?
  1. A consumer price index (CPI) measures changes in the general level of prices of goods and services that households acquire for the purpose of consumption.
  2. The wholesale price index basket contains all goods and services sectors in its ambit.
Select the correct answer using the code given below
A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2


Question 5 Explanation: 
Statement 1 is correct: A consumer price index (CPI) measures changes in the general level of prices of goods and services that households acquire for the purpose of consumption.

Statement 2 is incorrect: The wholesale price index basket has no representation of the services sector and all the constituents are only goods whose prices are captured at the wholesale/producer level.

There are 5 questions to complete.

 

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