Tag: importance of transportation system

Questions Related to importance of transportation system

A 20 m antenna gives a certain uplink gain at frequencies of 4/6 GHz. For getting same gain in the 20/30 GHz band, antenna size required is metre.

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. 100

  2. 4

  3. 10

  4. 1

Show answer
Correct Option: B

The largest number of newspapers published in India is in which of the following languages?

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. Hindi

  2. English

  3. Urdu

  4. Marathi

Show answer
Correct Option: A
Explanation:

A.  Hindi


As per the data from the Annual statements received, the highest number of newspapers were published in Hindi (7910), followed by English (1406), Urdu (938), Gujarati (761), Telugu (603), Marathi (521), Bengali (472), Tamil (272), Oriya (245), Kannada (200) and Malayalam (192). In terms of circulation, according to the report, Hindi newspapers continued to lead with 15,54,94,770 copies followed by English with 5,53,70,184 copies. Urdu press had a figure of 2,16,39,230 copies.

Which of the following types of roads received special impetus under Pradhan Mantri Grameen Sadak Yojana?

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. National Highways

  2. State Highways

  3. Rural Roads

  4. District Roads

Show answer
Correct Option: C
Explanation:
To provide employment opportunities to the rural population, the Government of India launched the Pradhan Mantri Grameen Sadak Yojana on 25 December 2005 to provide all-weather access to unconnected habitations. The Ministry of Rural Development along with state governments is responsible for the implementation of PMGSY. 
Rural road connectivity is the most important component of rural development by promoting access to economic and social services, thereby generating increased agricultural incomes and productive employment opportunities in India

Which of the following modes of transport would you find in higher areas of mountainous regions like the Himalayas?

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. Railways

  2. Roadways

  3. Inland waterways

  4. Airways

Show answer
Correct Option: B
Explanation:

B. Roadways

Trails and footpaths long were the only means of communication in the Himalayas. Although those continue to be important, especially in the more remote locations, road transport now has made the Himalayas accessible from both north and south. In Nepal an east-west highway stretches through the Tarai lowlands, connecting roads that penetrate into many of the country’s mountain valleys.

Early Bird was the first ______ satellite in India.

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. geostationary

  2. stationary

  3. hypothetical

  4. none of these

Show answer
Correct Option: A
Explanation:

The name of this satellite was intelset. It was niknamed as early bird. It was launched on April 6, 1965. It was built by space and communication group of Hughes aircraft company. It was the first communicational satellite launched in geosynchronous orbit. Hence it is an geostationary satellite.

When and between which two stations did the first train of India steam off?

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. Kolkata to Raniganj, 1874

  2. Mumbai to Thane, 1853

  3. Mumbai to Ahmedabad, 1854

  4. Chennai to Arkonam, 1856

Show answer
Correct Option: B
Explanation:
The Indian Railways is the largest public sector undertaking in the country. The first train steamed off from Mumbai to Thane in 1853, covering a distance of 34 km.

The different access methods which permit many satellite users to operate in parallel through a single transponder without interfering with each other as _____.

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. Frequency Division Multiple Access (FDMA)

  2. Time Division Multiple Access (TDMA)

  3. Code Division Multiple Access (CDMA)

  4. All of these

Show answer
Correct Option: D
Explanation:
  • Frequency Division Multiple Access (FDMA) is one of the most common analogue multiple access methods. The frequency band is divided into channels of equal bandwidth so that each conversation is carried on a different frequency .
  •  Time Division Multiple Access (TDMA)  is a channel access method for shared-medium networks. It allows several users to share the same frequency channel by dividing the signal into different time slots.The users transmit in rapid succession, one after the other, each using its own time slot.
  • Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel.

When a communication satellite passes into Earth's shadow, its temperature drops to about __________ K.

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. 123

  2. 245

  3. 273

  4. 100

Show answer
Correct Option: A

The noise temperature of sky is about __________ K.

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. 100

  2. 373

  3. 273

  4. 30

Show answer
Correct Option: D

How many geosynchronous communication satellites are required to cover all inhabited regions of the Earth?

social studies importance of transport system importance of transportation system introduction to transport and communication transportation services language, writing and great books

  1. 4

  2. 3

  3. 5

  4. 1

Show answer
Correct Option: B
Explanation:
  • A single geostationary satellite is on a line of sight with about 40 percent of the earth's surface. 
  • Three such satellites, each separated by 120 degrees of longitude, can provide coverage of the entire plane the north and south geographic poles.