Questions

RAM is used as a short-term memory because of its volatility.

Frame relay is a packet switching technology. It will operate in the data link layer.

Lead caulked joints are used for laying Earthern ware pipes.

Earthenware is fired at 1900 degrees Fahrenheit, much lower than stoneware. The result is porous pottery that is not as strong as stoneware or porcelain pottery pieces and is cheaper than stoneware.

The Van Vihar National Park is located in Bhopal, the capital city of Madhya Pradesh. It covers an area of about 4.45 sq.km and is home to Bengal Tiger, Asiatic Lions, wild cats, Indian Wolf, Sloth Bear, Red Fox, Indian Jackal, Wild Dog, Mongoose, Striped Hyena, Mugger Crocodile, Gharial, Snakes, Python, etc.

Controlled railroad crossing includes warning signs, red lights and railway gates, whereas absence of all of these warning signs like red lights and gates includes uncontrolled railroad crossings. 

The reason: Directive principles are non-justiciable, while the Fundamental Rights are enforceable by the Courts, the Directives are not so enforceable by any court (Article 37). The courts cannot declare any law as void on the ground that it contravenes any of the directive Principles. Further, the courts are not competent to complete the Government to carry out any Directive.