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The 2025 CBSE board examination for Class 10 were held from 15 February till 18 March and from 15 February till 4 April for class 12. The usual starting time for each exam was 10:30 am( IST ) but depending on the length and/or maximum marks for the subject, the finishing time was either 12:30 pm ( IST ) (2 hours, shorter exams, usually 40-50 ...
All India Secondary School Examination, commonly known as the class 10th board exam, is a centralized public examination that students in schools affiliated with the Central Board of Secondary Education, primarily in India but also in other Indian-patterned schools affiliated to the CBSE across the world, taken at the end of class 10.
CBSE conducts the final examinations for Class 10 and Class 12 every year in the months of February and March. The results are announced by the end of May. [ 8 ] The board earlier conducted the AIEEE Examination for admission to undergraduate courses in engineering and architecture in colleges across India, however, the AIEEE exam was merged ...
Date Name of leader / Topic Picture References Remarks 10 & 11 July 2015 [9] First in 2015 18 and 19 December 2015 Atal Bihari Vajpayee [6] [10] [11] [12] The circular was issued by Praggya M. Singh, assistant professor and joint director, CBSE. 15 October 2015 Dr. A. P. J. Abdul Kalam [13] 2 October 2015 Mohandas Karamchand Gandhi [1] [14] 11 ...
Commercial refrigeration. Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature). [1] [2] Refrigeration is an artificial, or human-made, cooling method. [1] [2]
Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]
The refrigeration process uses a mixture of two isotopes of helium: helium-3 and helium-4.When cooled below approximately 870 millikelvins, the mixture undergoes spontaneous phase separation to form a 3 He-rich phase (the concentrated phase) and a 3 He-poor phase (the dilute phase).
On obtaining this certificate, the student is deemed to have completed secondary schooling. After successful completion of SSLC, Students will further pursue their higher secondary education i.e. Class 11th and Class 12th by either attending a Junior College or by continuing High School in one of three streams – Science, Commerce or Arts.