Current Affairs Quiz 29 August 2023
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Current Affairs Quiz 29 August 2023 for UPSC Prelims
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- Question 1 of 5
1. Question
Which of the following statements are correct about Fuel cells?
1. Fuel cells are electrochemical devices that convert the chemical energy of a fuel directly and very efficiently into electricity (AC) and heat.
2. The most suitable fuel for such cells is hydrogen or a mixture of compounds containing hydrogen.CorrectAns;- b) Only 2
About Fuel Cells
• Fuel cells are electrochemical devices that convert the chemical energy of a fuel directly and very efficiently into electricity (DC) and heat, thus doing away with combustion.
• The most suitable fuel for such cells is hydrogen or a mixture of compounds containing hydrogen.
• A fuel cell consists of an electrolyte sandwiched between two electrodes.
• Oxygen passes over one electrode and hydrogen over the other, and they react electrochemically to generate electricity, water, and heat.IncorrectAns;- b) Only 2
About Fuel Cells
• Fuel cells are electrochemical devices that convert the chemical energy of a fuel directly and very efficiently into electricity (DC) and heat, thus doing away with combustion.
• The most suitable fuel for such cells is hydrogen or a mixture of compounds containing hydrogen.
• A fuel cell consists of an electrolyte sandwiched between two electrodes.
• Oxygen passes over one electrode and hydrogen over the other, and they react electrochemically to generate electricity, water, and heat. - Question 2 of 5
2. Question
With reference to river Mahadayi (The Mandovi river), consider the following statements:
1. It passes through the Bhimgad Wildlife Sanctuary.
2. It is a west flowing river that originates in the Eastern Ghats.
3. It joins with river Zuari at a common creek to form the Mormugao harbour.
Which of the statements given above is/are correct?CorrectAnswer: C
The Mahadayi River (The Mandovi River) originates in the Bhimgad Wildlife Sanctuary in the Western Ghats, Belagavi district of Karnataka. (Therefore, it passes through this Sanctuary).
IncorrectAnswer: C
The Mahadayi River (The Mandovi River) originates in the Bhimgad Wildlife Sanctuary in the Western Ghats, Belagavi district of Karnataka. (Therefore, it passes through this Sanctuary).
- Question 3 of 5
3. Question
Which of the following statements is/are correct regarding the collection and uses of Fly Ash?
1. It is collected from the exhaust gases by electrostatic precipitators.
2. Use of fly ash in soil will not improve the yield of agricultural crops.
3. Fly ash is the finely divided residue which is devoid of macro and micro plant nutrients.
Select the correct answer using the code given below:CorrectAnswer: A
Statement 2 is incorrect. It was observed that fly ash altered the soil texture, decrease bulk density, increase water holding capacity, soil porosity, pH, electrical conductivity and organic carbon values of the soil. Thus, it increases the yield of crops.
Statement 3 is incorrect. Macro and micro nutrients are present in flyash, such as K. P, Ca, Mg, Fe, B, Zn and Mo which stimulates plant growth and crop yield. So, it can also be utilized for compost making with crop, animal and human residues.IncorrectAnswer: A
Statement 2 is incorrect. It was observed that fly ash altered the soil texture, decrease bulk density, increase water holding capacity, soil porosity, pH, electrical conductivity and organic carbon values of the soil. Thus, it increases the yield of crops.
Statement 3 is incorrect. Macro and micro nutrients are present in flyash, such as K. P, Ca, Mg, Fe, B, Zn and Mo which stimulates plant growth and crop yield. So, it can also be utilized for compost making with crop, animal and human residues. - Question 4 of 5
4. Question
Consider the following statements regarding Unified Payments Interface(UPI) and choose the correct one.
CorrectAns: D
IncorrectAns: D
- Question 5 of 5
5. Question
Which of the following statements is/are correct about the Deposit Insurance and Credit Guarantee Corporation (DICGC)?
1. It was established for the purpose of providing insurance of deposits and guaranteeing of credit facilities.
2. All commercial and co-operative banks are covered under it.
3. Each depositor in a bank is insured up to a maximum of Rupees Five Lakhs for both principal and interest amount.
Select the correct answer using the code given below:CorrectAnswer: D
IncorrectAnswer: D
