2G refers to second generation wireless telecommunication technology. While its predecessor, 1G, made use of analog radio signals, 2G uses digital radio signals. Based on what type of multiplexing (the process of combining multiple digital data streams into one signal) is employed, 2G technologies may be categorized by whether they are based on time division multiple access (TDMA) or code
2.5G, which stands for “second and a half generation,” is a cellular wireless technology developed in between its predecessor, 2G, and its successor, 3G. “2.5G” is an informal term, invented solely for marketing purposes, unlike “2G” or “3G” which are officially defined standards based on those defined by the International Telecommunication (ITU). The term “2.5G” usually describes a 2G cellular
Explain about Powder Technology?
Powder technology is one of the ways of making bearing material. In this method metals like bronze, Al, Fe are mixed and compressed to make an alloy.
Explain the Second Law of Thermodynamics. The entropy of the universe increases over time and moves towards a maximum value. How do you measure temperature in a Wet Bulb Thermometer? Wet bulb temperature is measured in a wet bulb thermometer by covering the bulb with a wick and wetting it with water. It corresponds to the dew point
Objective Question and Answers for UPSC / GATE Exams: UPSC | GATE Exam for Mechanical | Objective Question and Answers | Tamilnadu Teachers Recruitment Board The common soldering method used for soldering circuit components to their boards is known as: WAVE soldering Reflow soldering Furnace soldering Infrared soldering Answer: WAVE soldering Hint: Wave soldering is a large-scale soldering process by which electronic components
No cutting fluid is used in the following operation: Planning and shaping Broaching Honing Thread rolling Answer: Planning and shaping Hint: In planning and shaping operation, cast iron work piece machined. Graphite in the cast iron acts as a lubricant in itself. But machining cast iron will get you fine powders everywhere that tend to sneak into your machines nooks
