Tag: commercial applications

Questions Related to commercial applications

Which of the following are features of non-conventional energy sources ______________.

  1. Pollution free

  2. Renewable

  3. Abundant

  4. All of these


Correct Option: D
Explanation:

Energy generated from natural sources like wind, tides, solar, geothermal heat, and biomass including farm and animal wastes is called non-conventional energy. It has following features like: it is pollution free, they are renewable and are abundant in nature.

The most important atomic mineral/s found in India include

  1. Uranium

  2. Thorium

  3. Both A and B

  4. None of these


Correct Option: C
Explanation:

 Uranium and thorium, which are important minerals found in Jharkhand and the Aravalli ranges of Rajasthan are used for generating atomic or nuclear power. The Monazite sands of Kerala is also rich in thorium.

UCIL stands for

  1. Uranium Corporation of India Ltd

  2. United Council of India Ltd

  3. Uranium Council of India Ltd

  4. None of these


Correct Option: A
Explanation:

Uranium Corporation of India Limited (UCIL) is a centrally owned public sector,under the Department of atomic energy  for Uranium mining and uranium processing. The corporation was founded in 1967 and is responsible for the mining and milling of uranium ore in India.  

Which plateau is known as the mineral heart land of India?

  1. Bhander Plateau

  2. Chota Nagpur Plateau

  3. Deccan Plateau

  4. Tibetan Plateau


Correct Option: B
Explanation:

Chota Nagpur plateau is called as mineral heart land of India because the region is abundantly blessed with wide variety of minerals. Chota Nagpur plateau is located on the western side of India. It covers states of Jharkhand, West Bengal, Bihar and Chattisgarh.   

Uranium a most important atomic mineral in Bihar is found in ___________.

  1. Patna

  2. Bhagalpur

  3. None of these

  4. Pichli


Correct Option: D
Explanation:

Uranium is an atomic mineral which is radio active in nature and has immense utilization in wide range of subjects. Uranium reserves in Bihar are found in Pichli region.

Which of the following is the backbone of modern civilisation?

  1. Bauxite

  2. Chromite

  3. Copper

  4. Iron ore


Correct Option: D
Explanation:

The backbone of modern civilisation is Iron ore. This is because civilisation started with the discovery of iron. With the advent of this age, the best tools and weapons were made by the people for hunting as well as for their self-protection.

Thorianite has what percent of thorium ___________.

  1. 5%

  2. 10%-12%

  3. 38-80%

  4. 12%-15%


Correct Option: C
Explanation:

Thorianite is a rare thorium oxide mineral. It has a high percentage of thorium which varies from 38 to 80%. This element contains helium and is less radioactive than pitchblend and is very harder due to its high energy gamma rays.

Department of Non-conventional Energy Sources (DNES) was established in India in the year _____.

  1. 1988

  2. 1982

  3. 1985

  4. 1991


Correct Option: B
Explanation:

Department of Non-Conventional Energy Sources (DNES) is established in the year 1982. Main aim of this department is to increase generation of non-conventional energy.  In October 2006, this Ministry was re-named as the Ministry of New and Renewable Energy.

Which is the leading state in Lead & Zinc reserves?

  1. Karnataka

  2. Maharashtra

  3. Rajasthan

  4. West Bengal


Correct Option: A
Explanation:

Leading state in the production of zinc and lead in India is Karnataka. In Karnataka district of Bellari is abundant with minerals like zinc and lead.

Consider the following statements and select the correct ones:-
a)  Iron and steel industries developed around Lake Michigan in USA due to availability of good quality coal.
b) Pittsburg - Youngstown area is the leading producer of steel in USA
c) The Lorraine area in France is significant for steel production.
d) The south Manchurian region accounts for nearly 60% of China's pig-iron production .

  1. a, c ,d

  2. a, b, d

  3. b, c, d

  4. b, c


Correct Option: B