The full form of DG is Director General. It is also sometimes used for Diesel Generator.
A diesel generator combines a diesel engine and an electric generator. This is an example of an engine generator. Although most diesel compression-ignition engines are designed to run on diesel fuel, some models have been modified to run on other liquid fuels or natural gas. A diesel generator is responsible for converting mechanical energy (generated by an internal combustion engine) into electrical energy. Several components including Control panel, Engine, Fuel system, Alternator and Lubricating system work collectively to produce electricity.
The diesel generator operates in four cycles:
Suction Intake
Compression
Power
Exhaust
A diesel generator operates on the law of energy conversion, which states “Energy cannot be formed or damaged, but can only be converted from one form to other”. A diesel generator is powered by an engine that runs on diesel. During the combustion process, the chemical energy of the diesel is now converted into mechanical energy. The mechanical energy generated is then converted into electrical energy for use during power outages.
DG stands for Director General. A director general or director-general is a senior/chief executive officer of a governmental, statutory, non-governmental organisation, third sector, or not-for-profit organisation. The term is used in several countries worldwide.
A DG in India may refer to the DG of the Border Security Force or the DG of Police, the National Disaster Response Force, and the Indian Coast Guard. Furthermore, the heads of many government agencies, such as the DG of the Archaeological Survey of India, the DG of the Central Statistics Office, the DG of the National Informatics Centre (NIC), the DG of the Indian Council of Medical Research.
The title DG is used in Canada's federal civil service, also known as the Public Service of Canada. In the federal government, a director general is not the department's most senior civil officer. DG typically reports to a higher-ranking civil servant, such as an assistant or associate deputy minister. In the civil services of the 10 provincial governments and three territorial administrations, the civil services use the titles "executive director" or "director."
DG is UK is generally a senior civil servant (SCS) at Pay Band 3 Level who oversees a team of other Directors and reports directly to the department's Permanent Secretary. In some groups that predate the current SCS structure, it has also been kept as the formal title of chief executive officer. Thus those people may use it despite working in different pay bands. For example, despite the fact that the position is at the Permanent Secretary (Pay Band 4) level, the head of the UK's internal Security Service MI5 is also referred to as Director-General.
The Director General of Police (DGP) is the highest-ranking police officer in an Indian state or union territory, often in command of the state or union territory police force. The DGP is a three-star officer appointed by the cabinet. There may be additional officers with the rank of DGP in the state. Typical positions for such officers include the Director of the Vigilance and Anti-Corruption Bureau, the Director General of Prisons, the DG of Fire Forces and Civil Defence, the Criminal Investigation Department (CID), the Police Housing Society, and others. Officers with the rank of DGP may also hold comparable positions in central government organisations such as the Director, Central Bureau of Investigation (CBI), Director of SVPNPA, DG Central Reserve Police Force (CRPF), and so on. The national emblem over crossed swords and batons is the rank insignia of a DG of Police or Commissioner of Police (in Delhi). DGPs, like ADGs and IGs, wear Gorget patches on their collars, with dark blue background and an oak leaf pattern stitched on it.