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technologyconsu l t ing
The Water Level Indicator employs a simple mechanism to detect and indicate the water level in an overhead tank or any other water container.The sensing is done by using a set of nine probes which are placed at nine different levels on the tank walls (with probe 9 to probe 1 placed in increasing order of height, common probe (i.e. a supply carrying probe) is placed at the base of the tank). The level 8 represents the “tank full” condition while level 0 represents the “tank empty” condition.
When the water-level is below the minimum detectable level (MDL), the seven segment display is arranged to show the
digit 0, indicating that the tank is empty, when the water reaches level1 (but is below level2) the connection between
the probes gets completed (through the conducting medium – water) and the base voltage of transistor increases.
MONTHLY
MAGAZINE OF
ELECTRICAL
ENGINEERING EnErgEEmergency Auto Led Light:The proposed automatic LED light that switched on by itself in case of a power cut or failure by any reason. The light needs a 230V AC input and then it’s converted to 12V DC to charge the battery needed in circuit. This charged battery power is now used as soon as power from the mains is cut off or in case we want to use it otherwise.A PNP transistor is used to operate this system. The importance of the light arises when we use it for a good energy conversion efficiency Li-Ion/ Nicd/ Nimh re chargeable batteries are used for getting a long usage life for the light.
Electrical puzzle:
Guru Upadesha
Activity conducted
This issueGuru Upadesha P.1Rewind P.2E@World P.3Student desire P.4Subject in fist P.4Young trend P.4Corporate world P.4Things to carry P.4Feature Scope P.4Notifications P.4Electrical Puzzle P.4Daily do P.4Activity conducted P.4
I S S U E
J A N U A R Y2 0 1 6
02Power to tehe worldPower to the World
Young trend:
Indian Engineering ServicesIndian Engineering Services (IES/ES) constitute of engineers that work under the government of India to manage a large segment of public sector economy which constitutes of Railroads, Public works, Power, Telecommunications, etc.A combined competitive examination is conducted by the Union Public Services Commission (UPSC) for recruitment to the Indian Engineering Services. The Examination constitutes of a written examination followed by an interview for personality test.
The recruitment of qualified candidates is as follows(i) Indian Railway Service of Electrical Engineers(ii) Indian Railway Stores Service(iii) Central Electrical & Mechanical Engineering Service(iv) Indian Naval Armament Service(v) Military Engineer Service(vi) Assistant Executive Engineer (in Ministry of Defence)(vii) Assistant Naval Store (in Indian Navy)Tentative schedule:Notifications of examinations - January / February.Conduct of examinations – June / July. More details visit: upsc.gov.in
Daily Do:
Feature scope:
Corporate world: