Daily Quiz 17 July 2024
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Question 1 of 5
1. Question
1 pointsConsider the following statements:
Statement-I:
A stationary jet stream can trap a high-pressure system in place, leading to the formation of a heat dome.
Statement-II
When Jet streams become smaller and less elongated, they slow down and become stationary.
Which one of the following is correct in respect of the above statements?
Correct
Answer: C
Explanation: A heat dome is a weather phenomenon where a high-pressure system traps warm air like a lid on a pot, causing extended periods of high temperatures. Trapped warm air prevents cloud formation and allows more sunlight to reach the earth, leading to increased warming and drying of the soil. Reduced evaporation decreases the likelihood of rain cloud formation. The longer the heat dome stays in place, the hotter it gets.
Statement I is correct while Statement II is incorrect: Trapped warm air prevents cloud formation and allows more sunlight to reach the earth, leading to increased warming and drying of the soil. Reduced evaporation decreases the likelihood of rain cloud formation. The longer the heat dome stays in place, the hotter it gets. The jet stream, an area of fast-moving air high in the atmosphere, typically moves weather systems along the earth’s surface in a wave-like pattern. When these waves become larger and more elongated, they slow down or become stationary. A stationary jet stream can trap a high-pressure system in place, leading to the formation of a heat dome.
Incorrect
Answer: C
Explanation: A heat dome is a weather phenomenon where a high-pressure system traps warm air like a lid on a pot, causing extended periods of high temperatures. Trapped warm air prevents cloud formation and allows more sunlight to reach the earth, leading to increased warming and drying of the soil. Reduced evaporation decreases the likelihood of rain cloud formation. The longer the heat dome stays in place, the hotter it gets.
Statement I is correct while Statement II is incorrect: Trapped warm air prevents cloud formation and allows more sunlight to reach the earth, leading to increased warming and drying of the soil. Reduced evaporation decreases the likelihood of rain cloud formation. The longer the heat dome stays in place, the hotter it gets. The jet stream, an area of fast-moving air high in the atmosphere, typically moves weather systems along the earth’s surface in a wave-like pattern. When these waves become larger and more elongated, they slow down or become stationary. A stationary jet stream can trap a high-pressure system in place, leading to the formation of a heat dome.
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Question 2 of 5
2. Question
1 pointsConsider the following statements:
Statement-I:
Meteorological factors such as high temperatures influence air quality through occasional spikes in the levels of particulate matter 2.5.
Statement-II
During higher temperatures, volatile organic compounds and nitrogen oxide react to form secondary pollutants.
Which one of the following is correct in respect of the above statements?
Correct
Answer: A
Explanation:
- Statement I is correct: Even as air quality remains poorest during winter months, a new study on summertime air quality in Delhi, Mumbai, Patna, Lucknow and Kolkata by Climate Trends has found that meteorological factors such as high temperatures influence air quality through occasional spikes in the levels of particulate matter 2.5.
- Statement II is correct: These spikes are caused when during higher temperatures, volatile organic compounds and nitrogen oxide react to form secondary pollutants. VOCs and nitrogen oxide are emitted in vehicular pollution, industrial activities and through vehicle fuels and solvents. Extreme temperatures can enhance the photochemical reactions that can lead to the formation of various secondary pollutants, while also influencing atmospheric stability and pollutant dispersion. Hence, Both Statements I and II are correct and statement II is the correct explanation of statement I.
Additional Information: The National Ambient Air Quality Standards prescribe that PM 2.5 levels should be 60 ug/m3 (microgram/cubic metre) for a 24-hour period. PM 2.5 particles are fine particles that are smaller than 2.5 micrometres in diameter, which is smaller than human hair. These particles can cause harmful health effects such as decreased lung function, irritable airways as they go deep in the respiratory organs and can even enter our bloodstream.
Incorrect
Answer: A
Explanation:
- Statement I is correct: Even as air quality remains poorest during winter months, a new study on summertime air quality in Delhi, Mumbai, Patna, Lucknow and Kolkata by Climate Trends has found that meteorological factors such as high temperatures influence air quality through occasional spikes in the levels of particulate matter 2.5.
- Statement II is correct: These spikes are caused when during higher temperatures, volatile organic compounds and nitrogen oxide react to form secondary pollutants. VOCs and nitrogen oxide are emitted in vehicular pollution, industrial activities and through vehicle fuels and solvents. Extreme temperatures can enhance the photochemical reactions that can lead to the formation of various secondary pollutants, while also influencing atmospheric stability and pollutant dispersion. Hence, Both Statements I and II are correct and statement II is the correct explanation of statement I.
Additional Information: The National Ambient Air Quality Standards prescribe that PM 2.5 levels should be 60 ug/m3 (microgram/cubic metre) for a 24-hour period. PM 2.5 particles are fine particles that are smaller than 2.5 micrometres in diameter, which is smaller than human hair. These particles can cause harmful health effects such as decreased lung function, irritable airways as they go deep in the respiratory organs and can even enter our bloodstream.
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Question 3 of 5
3. Question
1 pointsThis is a system that converts kinetic energy into a form that can be stored and reused. The battery stores electrical energy, powering the traction motor that propels the vehicle. During the process, the motor acts as a generator, converting mechanical energy back into electrical energy, which is stored in the battery. It is a crucial mechanism in electric vehicles that enhances their energy efficiency. Which of the following mechanism is described here?
Correct
Answer: B
Explanation:
- Option (b) is correct: Regenerative braking is a unique technique that is used in EVs to capture energy that the vehicle has due to its motion or, in other words, its kinetic energy that would have been wasted when the vehicle decelerates or comes to a standstill while braking. It is a system that converts kinetic energy into a form that can be stored and reused. Regenerative braking is a type of dynamic braking, specifically recovering energy for future use. The battery stores electrical energy, powering the traction motor that propels the vehicle. During braking, the motor acts as a generator, converting mechanical energy back into electrical energy, which is stored in the battery.
Rheostatic Braking: Another dynamic braking type where the electrical energy is dissipated as heat through resistors. Vehicles often use both regenerative and rheostatic braking to handle excess energy or immediate needs. A flywheel is a mechanical device that uses the conservation of angular momentum to store rotational energy
Incorrect
Answer: B
Explanation:
- Option (b) is correct: Regenerative braking is a unique technique that is used in EVs to capture energy that the vehicle has due to its motion or, in other words, its kinetic energy that would have been wasted when the vehicle decelerates or comes to a standstill while braking. It is a system that converts kinetic energy into a form that can be stored and reused. Regenerative braking is a type of dynamic braking, specifically recovering energy for future use. The battery stores electrical energy, powering the traction motor that propels the vehicle. During braking, the motor acts as a generator, converting mechanical energy back into electrical energy, which is stored in the battery.
Rheostatic Braking: Another dynamic braking type where the electrical energy is dissipated as heat through resistors. Vehicles often use both regenerative and rheostatic braking to handle excess energy or immediate needs. A flywheel is a mechanical device that uses the conservation of angular momentum to store rotational energy
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Question 4 of 5
4. Question
1 pointsThe government is expanding the scope of its electric vehicle (EV) policy to include retrospective effects.With respect to this, consider the following statements:
- The import duties for electric vehicles (EVs) that are imported as completely built units (CBUs) have been completely eliminated.
- It mandates that half of the value addition in overall manufacturing be done domestically within five years.
Which of the following statements given above is/are correct?
Correct
Answer: B
Explanation:
- Statement 1 is incorrect: The government is expanding the scope of its electric vehicle (EV) policy to include retrospective effects. The Indian government has slashed the import duties for electric vehicles (EVs) that are imported as completely built units (CBUs) to 15%, down from the existing range of 70% to 100%. It is not intended to undercut the existing market but to complement and enhance it by fostering technological growth and broadening consumer choice.
Statement 2 is correct: It mandates that half of the value addition in overall manufacturing be done domestically within five years. It aims to provide Indian consumers with access to the latest technology and fostering healthy competition among EV players to achieve higher production volumes, economies of scale, and lower production costs.
Incorrect
Answer: B
Explanation:
- Statement 1 is incorrect: The government is expanding the scope of its electric vehicle (EV) policy to include retrospective effects. The Indian government has slashed the import duties for electric vehicles (EVs) that are imported as completely built units (CBUs) to 15%, down from the existing range of 70% to 100%. It is not intended to undercut the existing market but to complement and enhance it by fostering technological growth and broadening consumer choice.
Statement 2 is correct: It mandates that half of the value addition in overall manufacturing be done domestically within five years. It aims to provide Indian consumers with access to the latest technology and fostering healthy competition among EV players to achieve higher production volumes, economies of scale, and lower production costs.
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Question 5 of 5
5. Question
1 pointsWhich of the following are the classical languages of India listed in the 8th Schedule of the Constitution?
- Sanskrit
- Tamil
- Telugu
- Konkani
- Odia
Select the correct answer using the code given below:
Correct
Answer: C
Explanation: The Union government has decided to modify the criteria for granting classical status to languages.
- Option (c) is correct: Currently in India, 6 languages enjoy the ‘Classical’ status: Tamil ( 2004), Sanskrit (2005), Kannada (2008), Telugu (2008), Malayalam (2013), and Odia (2014). These languages are considered classical because they have an independent literary tradition and a vast amount of ancient literature. Sanskrit is the oldest of the classical languages. All the Classical Languages are listed in the 8th Schedule of the Constitution. The Ministry of Culture provides guidelines regarding Classical languages. The language must have early texts or recorded history dating back 1500-2000 years. The language must possess a significant body of ancient literature or texts that are considered a valuable heritage by its speakers. The literary tradition of the language should be original and not derived from another speech community. In addition to these classical languages Pali, Persian, and Prakritand their works of literature are to be preserved according to India’s National Education Policy-2020
Incorrect
Answer: C
Explanation: The Union government has decided to modify the criteria for granting classical status to languages.
- Option (c) is correct: Currently in India, 6 languages enjoy the ‘Classical’ status: Tamil ( 2004), Sanskrit (2005), Kannada (2008), Telugu (2008), Malayalam (2013), and Odia (2014). These languages are considered classical because they have an independent literary tradition and a vast amount of ancient literature. Sanskrit is the oldest of the classical languages. All the Classical Languages are listed in the 8th Schedule of the Constitution. The Ministry of Culture provides guidelines regarding Classical languages. The language must have early texts or recorded history dating back 1500-2000 years. The language must possess a significant body of ancient literature or texts that are considered a valuable heritage by its speakers. The literary tradition of the language should be original and not derived from another speech community. In addition to these classical languages Pali, Persian, and Prakritand their works of literature are to be preserved according to India’s National Education Policy-2020
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