Which communication technology is used in contactless smart cards? MCQ with Answer and Explanation

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Which communication technology is used in contactless smart cards?

A. Telegraph

B. NFC

C. DTH

D. VSAT

Answer: Option B

Solution (By JKSSB Mock Tests)

Near Field Communication (NFC) is used in contactless payment cards and smart cards.

This question belongs to: Geography GK Transport and Communication

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Which transport mode is most affected by fog in winter?

A. Waterways

B. Airways

C. Railways

D. Roadways

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Correct Answer: Option B

Explanation:
Air transport is heavily affected by fog and low visibility conditions.

This question belongs to: Geography GK Transport and Communication

Question #2

Which railway service is designed for fast intercity travel with limited stops?

A. Freight trains

B. Shatabdi Express

C. Goods trains

D. Metro trains

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Correct Answer: Option B

Explanation:
Shatabdi Express trains provide fast intercity passenger services with few stops.

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Question #3

Which railway station is the busiest in South India?

A. Chennai Central

B. Coimbatore Junction

C. Hyderabad Deccan

D. Bangalore City Junction

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Correct Answer: Option A

Explanation:
Chennai Central is one of the busiest stations in South India.

This question belongs to: Geography GK Transport and Communication

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