586: A spherical body moves with a uniform angular velocity around a circular path of radius r. Which one of the following statements is correct?
(a) The body has no acceleration
(b) The body has a radial acceleration 2r directed towards the centre of the path.
(c) The body has a radial acceleration 2/5 2r directed away from the centre of the path.
(d) The body has an acceleration 2r tangential to its path
587: Consider the following statements:
1. Petroleum and Natural Gas Regulatory Board (PNGRB) is the first regulatory body set up by the Government of India.
2. One of the tasks of PNGRB is to ensure competitive markets for gas.
3. Appeals against the decisions of PNGRB go before the Appellate Tribunals for Electricity.
Which of the statements given above are correct?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Explanation:
The Petroleum and Natural Gas Regulatory Board (PNGRB) was constituted under The Petroleum and Natural Gas Regulatory Board Act, 2006. The independent regulator TRAI is the first independent regulator in India.
Source: http://www.pngrb.gov.in/about-us.html
https://www.prsindia.org/billtrack/the-petroleum-and-natural-gas-regulatory-board-bill-2005-430
https://www.oecd.org/gov/regulatory-policy/44925979.pdf
588: In terms of economy, the visit by foreign nationals to witness the XIX Common Wealth Games in India amounted to
(a) Imports
(b) Exports
(c) Consumption
(d) Production
Explanation:
Sport Tourism refers to travel which involves either viewing or participating in a sporting even staying apart from eheir usual environment. A good example of this would be during the Commonwealth Games. Sport tourists are passionate, high-spending, enjoy new sporting experiences and often stimulate other tourism. Their direct benefit to a destination is cash-their indirect benefit can be years of follow=on tourists.
Sports tourism is also an export industry because foreign visitors who travel to a country purchase the "touristic experience" of that country. They pay for it with their money from their country.
589: When the Couple Protection Rate is going up
(a) birth rate must necessarily fall
(b) birth rate will fall only if couples are of younger age
(c) death rate must necessarily fall
(d) infant mortality rate must be falling
590: If there were no organic life on the Earth, the amount of oxygen in the atmosphere will:
(a) Remain unchanged.
(b) Be approximately hundred per cent.
(c) Be almost nil.
(d) Be approximately fifty per cent.