Question Discussion & Solution

The correct answer is Ethanol + Methanol​.

• Ethanol + Methanol​ is denatured alcohol.
• Denatured alcohol is ethanol that has additives to make it poisonous, bad-tasting, foul-smelling, or nauseating to discourage its recreational consumption.
• The term denatured alcohol refers to alcohol products adulterated with toxic and/or bad tasting additives (e.g., methanol, benzene, pyridine, castor oil, gasoline, isopropyl alcohol, and acetone), making it unsuitable for human consumption.
• The most common additive used is methanol (5–10%), giving rise to the term methylated spirits. Denatured alcohol is used as a lower-cost solvent or fuel for home-scale or industrial use.

Key Points

• Denatured alcohol is ethanol or grain alcohol that contains additional chemicals called denaturants that make it unfit for human consumption.
• Denatured alcohol is fine for some types of lab work and as an ingredient in certain products, but it's not safe to drink.
• Ethanol is an organic chemical compound. It is simple alcohol with the chemical formula C₂H₆O.
• Its formula can be also written as CH₃−CH₂−OH or C₂H₅OH and is often abbreviated as EtOH.

Additional Information

• Alcohol (ethanol or ethyl alcohol) is the ingredient found in beer, wine, and spirits that causes drunkenness.
• Alcohol is formed when yeast ferments (breaks down without oxygen) the sugars in different food. 

The correct answer is ALGORITHM.

Key Points

• An algorithm is a specific procedure for solving a well-defined computational problem.
• The development and analysis of algorithms are fundamental to all aspects of Computer Science like AI, databases, graphics, networking, OS, etc.
• Algorithm development is more than just programming.
  • It requires an understanding of the alternatives available for solving a computational problem.
  • It includes the hardware, networking, programming language, and performance constraints that accompany any particular solution.

Additional Information

• An official language comprising a collection of instructions that produce different kinds of output is a programming language.
• In computer science, programming languages are used to implement algorithms.
• Most of the languages of programming consist of computer instructions.

The correct answer is Magh Krishna​ Chaturthi.

Key Points

• Tilkut Chauth-
  • It is celebrated on Magh Krishna Chaturthi.
  • It is also known as Sakat Chauth.
  • Ganesh Ji and Chauth Mata are worshiped on this occasion.
  • In Chauth Ka Barwara, Sawai Madhopur, a fair is organized.

Additional Information

• Karwa Chauth -
  • It is celebrated on Kartik Krishna Chaturthi.
  • Women do fast of  Chauth Mata on this day, For long age of their husband.
• Ganesh Chaturthi-
  • It is celebrated on Bhadrapad Shukla Chaturthi.
  • A fair is organized in Ranthambhore, Sawai Madhopur on this day.
• Gor Fair-
  • It is celebrated on Vaisakh Shukla Chaturthi.
  • It is organized in Siyawa, Abu Road.

Eureka:

• Constantan is a Nickel-Copper alloy also known as Eureka.
• It usually consists of 55% copper and 45% nickel.
• Its main feature is the low thermal variation of its resistivity, which is constant over a wide range of temperatures
• Constantan is a Nickel-Copper-based alloy wire that has a high resistivity and is mainly used for thermocouples and electrical resistance heating.
• It has a constant resistivity over a wide range of temperatures.
   

Composition:

• Ni = 45 %
• Cu = 55 %
   

Properties of Eureka:

• Resistivity - 490 µΩ -cm
• Melting point: 1300 ⁰C
• Specific gravity: 8.9 gm /cm³
• Negligible temperature Coefficient
• Easily ductile
• Resistant to atmospheric corrosion
• Can be easily soldered and moulded
   

Application:

• It is used for the measurement of temperature.
• It is used for the formation of thermocouple, along with the wires of other metals such as copper, iron, and chromium.
• It is especially used for resistance purposes since its resistance does not change much with the change in its temperature. It is used for DC current shunts. 

The correct answer is Twelve.

• Twelve members are nominated by the President in Rajya Sabha.

Key Points

• Rajya Sabha [Article 80]:
  • Rajya Sabha is a permanent body and not subject to dissolution. Its maximum strength is 250. The total membership of the present Rajya Sabha is 245 however one-third members retire every second
    year.
  • Their seats are filled up by fresh elections and a presidential nomination at the beginning of every third year.
  • There are no seats reserved for SCs and STs in Rajya Sabha.
  • Representation of People Act (1951) provided the term of office of a member of the Rajya Sabha shall be six years. 
  • In the Rajya Sabha, 12 members are nominated by the President from persons having special knowledge or practical experience of literature, science, art and social service.
  • The President is empowered to nominate not more than two Anglo Indian members to the Lok Sabha if that community is not adequately represented in that House.