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Answer is d. None

b. dump(tup1, myfile)

Answer is c. continue

The title() command is used to provide a title to the graph plotted in MATLAB.

Logic gates are the basic building blocks of any digital system. It is an electronic circuit having one or more than one input and only one output. The relationship between the input and the output is based on a certain logic. Based on this, logic gates are named as AND gate, OR gate, NOT gate etc.

The disease caused due to water pollution is Dysentery. 

Headquarter of North-Central railway is Allahabad. 

Engineering goods is the major exported goods of India.

Fermentation is an anaerobic process in which energy can be released from glucose even though oxygen is not available. Fermentation occurs in yeast cells, and a form of fermentation takes place in bacteria and in the muscle cells of animals.

1.Yeast uses sugar for food.

2.Yeast grows and multiplies rapidly due to carbon compound in the sugar solution.

3.In the process of obtaining nutrition yeast cells convert the carbohydrates in the food into alcohol and carbon dioxide.

4.Also, the bacteria lactobacilli converts lactose, the sugar in milk into lactic acid.

5.This process is called fermentation. 

Hyderabad and Secunderabad city are referred as Twins. 

The Correct Answer is Bangalore.

• Bangalore is also regarded as the "Silicon Valley of India" (or "IT capital of India").
• Bangalore is the nation's leading information technology (IT), exporter.
• Bangalore usually experiences a more moderate climate throughout the year.

Hyderabad

• Hyderabad is also known as the city of pearls or the city of Nizams.
• Muhammad Quli Qutb Shah established Hyderabad in 1591 to extend the capital beyond the fortified Golconda.
• In 1687, the city was annexed by the Mughals.
• Hyderabad served as the imperial capital of the Asaf Jahi from 1769 to 1948.

Kulu valley

• Kullu Valley is a broad open valley in Himachal Pradesh, India, formed by the Beas River between Manali and Largi.

Kolar

• Kolar is a city in the state of Karnataka.
• It is the headquarters of the Kolar district.
• The city is known for its milk production and the gold mines.
• It is also known for the Someshwara temple and the Kolaramma temple.

The Correct Answer is Surat.

• Surat is famous for its diamond cutting and polishing and is known as the Diamond City of India.
• 90% of all diamond cutting and polishing on the planet takes place in Surat.

• Surat is a port city situated on the banks of the Tapi river.

Bihar has highest density of population in India.

The records of population density 2011 of India state that the density 2011 has increased from a figure of 324 to that of 382 per square kilometer. Bihar is the most thickly populated state

The silk route is an early example of long distance trade which connecting Rome-china.

Iceland has the criterion of 300 population for urban classification.

The correct answer is 2, 3, and 4 only.

• As per Govt. of India Notification S.O. 423(E) dated 10th February 2015 Bentonite has been declared as 'Minor Mineral'. Hence statement 1 is not correct.

• The Central Government has declared the following minerals as minor minerals:
  • Boulder, shingle, chalcedony pebbles used for ball mill purposes only, lime shell, kankar.
  • And limestone used in kilns for the manufacture of lime used as a building material.
  • Murrum, brick-earth, fuller’s earth, bentonite, road metal, reh-matti.
  • Slate and shale when used for building material, marble, stone used for making household utensils.
  • Quartzite and sandstone when used for purposes of building or for making road metal and household utensils, saltpeter, and ordinary earth
  • Used or filling or leveling purposes in construction or embankments, roads, railways, building.

• Bentonite is essentially a highly plastic clay containing not less than 85% clay mineral, montmorillonite.
• Chromite (Cr) is the single commercially viable ore of chromium which is chemically known as iron chromium oxide (Fe.Cr₂O₄).
• Kyanite, Sillimanite, and andalusite are anhydrous aluminosilicate minerals that have the same chemical formula Al₂O₃ but differ in the crystal structure and physical properties.

The correct answer is Himachal Pradesh.

• Pin Valley National Park is a National park of India located within the Lahaul and Spiti district, in the state of Himachal Pradesh, in far Northern India.
• With its snow laden unexplored higher reaches and slopes, the Park forms a natural habitat for a number of endangered animals including the snow leopard and Siberian ibex.

• Pench National Park is on the border of Maharashtra and Madhya Pradesh. So Pench National Park(Jawahar Lal Nehru) is in Maharashtra and Pench(Priyardishini) National Park is in Madhya Pradesh. So if it simply asks Pench then Answer will be Madhya Pradesh only, but if its written in bracket with description then choose accordingly.

Transfer of words, messages, facts and thoughts is called Communication. 

Basic industry manufacturers raw material for other industry. 

There are five main hardware components in a computer system: Input, Processing, Storage, Output and Communication devices. Are devices used for entering data or instructions to the central processing unit. Are classifie according to the method they use to enter data.

• Settlements 
• Roads 
• Paths 
• Gridlines

In India, the Survey of India is entrusted with the preparation of topographical maps. Certain restrictions have been imposed on the use of topographical maps of strategic regions owing to the national security concerns.

The survey works in India began in 1802 under Col. William Lambton. Col. George Everest joined as an assistant to Lambton in 1818. This was the first survey that recorded the correct measurements of the Himalayan mountain ranges. As a tribute to George Everest who took charge of the survey after Lambton, the highest peak in the Himalayan mountain ranges was given the name Everest.

Ion electron Method

Sn^o + \(\overset{+5}{NO}\)₃^- + H⁺ \(\rightarrow\) Sn⁺² + \(\overset{-3}{NH}\)₄⁺ + H₂O

first of all separating half cell reaction

Sn \(\rightarrow\) Sn⁺² +2e^- (oxidation)....(i)

No₃^- + 8e^- \(\rightarrow\) NH₄⁺ (reduction)....(ii)

In equation (ii), adding 3H₂o in the right side (for balancing oxygen)

NO₃^- + 8e^-\(\rightarrow\) NH₄⁺ + 3H₂O...(iii)

Now, balancing atom, and charge adding 10H⁺ in the left side in equation (iii) we got

NO₃^- + 8e^- + 10H⁺ \(\rightarrow\) NH₄^{\(\bigoplus\)} + 3H₂O....(iv)

Now, multiply by '5' in equation (i) and then adding in equation (iv) we got

5Sn + NO₃^- + 10H⁺ \(\rightarrow\) 5Sn⁺² + NH₄⁺ + 3H₂O....(v)

equation (v) is a balance equation 

Ion electron Method

\(\overset{0}{AS}\) + \(\overset{+5}{NO}\) ₃^- + H⁺ \(\rightarrow\) A\(\overset{+5}{SO}\)₄^-3 + \(\overset{+4}{NO}\)₂ + H₂O

separating half cell reaction

\(\overset{+5}{NO}\)₃^- + e^- \(\rightarrow\) \(\overset{+4}{NO}\)₂....(i)

\(\overset{0}{AS}\) \(\rightarrow\) A \(\overset{+5}{SO}\)₄^-3 + 5e^-  ...(ii)

For balancing oxygen, adding (i) we get

NO₃^- + e^- \(\rightarrow\) NO₂ + H₂O....(iii)

For balancing Hydrogen and charge , adding 2H⁺ in the left side in the  equation (iii) we got

NO₃^- + 2H⁺ + e^- \(\rightarrow\) NO₂ + H₂O....(iv)

For equation (ii) 

For balancing oxygen, adding 4H₂O in left side, ion equation (ii) we got

AS^- + 4H₂O\(\rightarrow\) ASO₄^-3 + 5e^-....... (v)

For balancing Hydrogen, and change adding OH⁺ in the right side, in equation (v)

we got,

AS +  4H₂O\(\rightarrow\) ASO₄^-3 + 8H⁺ + 5e^-...(vi)

Now equation (iv) Multiply by '5' then adding equation (vi) we got

AS + 5NO₃^- + 2H⁺ \(\rightarrow\) ASO₄^-3 + 5NO₂ + H₂O.....(vii)

equation (iv) is balance equation

The reaction of chlorine gas with hot and concentrated sodium hydroxide solution is 

3Cl₂ ​+ 6NaOH⟶NaClO₃ ​+ 5NaCl+3H₂O 

Oxidation number of Cl is 0 in Cl₂, −1 in NaCl and +5 in NaClO₃ ​ 

So the oxidation number of chlorine changes from Zero to -1 and Zero to +5.

Contours are imaginary lines drawn connecting places having equal elevation from sea level.

The headquarters of Survey of India Dehradun

Concept:

The KVA is inversely proportional to the inertia constant.

\(S \propto \frac{1}{H}\)

\(\Rightarrow \frac{{{S_{new}}}}{{{S_{old}}}} = \frac{{{H_{old}}}}{{{H_{new}}}}\)

Calculation:

Given that,

S1 = 200 MVA, H1 = 2 MJ/MVA

S2 = 1000 MVA, H2 = 4 MJ/MVA

Common base = 10 MVA.

We know that \(S \propto \frac{1}{H}\)

\(\Rightarrow \frac{{{S_{new}}}}{{{S_{old}}}} = \frac{{{H_{old}}}}{{{H_{new}}}}\)

For generator 1:

\({H_{new}} = \frac{{200}}{{10}} \times 2 = 40\;MJ/MVA\)

For generator 2:

\({H_{new}} = \frac{{1000}}{{10}} \times 4 = 400\;MJ/MVA\)

Equivalent inertia constant (H) = 400 + 40 = 440 MJ/MVA