Tender For supply of copper cable 4 core x 4 sqmm stranded copper conductor 1100 v grade pvc insul ated pvc sheathed armored electrical control cable confirming to is 1554 part-i/1988 or latest for transfor mer bushing ct circuit & 110 v dc circuits 4 core 4 sq mm (copper) [ warranty period: 30 months after t he date of delivery ]
Tender For supply, installation, testing, commissioning of engine harness re-wiring work for 500kv dg se t greeves and repair attention of power control circuits and safety controls and programming of (hmi) elect ronic controller and essential spares at electrical loco shed (els/ajj) . (annexure attached) [ warranty per iod: 12 months after the date of delivery ]
Tender For procurement and supply of science lab equipments for marshaghai college and govt science college chatrapur - marshaghai college-physics department, electricity and magnetism, to use multimeter for measuring (a) resistance (b) ac and dc voltages, dc current and (d) checking electrical fuses, to compare capacitances using de' sauty's bridge, draw the static characteristics of a diode valve and hence calculate plate resistance, to determine the coefficient of the thermal conductivity of cu by angstrom's method (by digital sensor), digital systems and application, to measure (a)voltage (b) frequency of a periodic wave form using cro , to test diode and transistor using multimeter, to design switch (not gate) using a transistor, to verify and design and, or, not and xor gates using nand gates , to design a combitional logic system for a specified truth table, to convert a boolean expression into logic circuit, half adder, full adder and 4 bit binary adder &half subtractor, full subtractor, adder-subtractor using full adder i.c, to design a stable multivibrator of given specifications using 555 timers & to design a monostable multivibrator of given specification using 555 timer, to build flip-flop (rs, clocked rs, d-type and jk) circuits using nand gates, to build jk master-slave flip-flop using flip-flop ics., to build a 4-bit counter using d-type/jk flip-flop ics and study timing diagram , to make a 4-bit shift resistor (serial and parallel) using d-type / jk flip-flop ics, elements of mordern physics, to determine work function of material of filament of directly heated vaccume diode, to determine the value of e/m by (a) magnetic focusing, to setup the millikan oil drop apparatus and determine the charge of an electron, analog system and applications, to study v-i characteristics of pn junction diode, and light emitting diode, to study the v-i characteristics of a zener diode and its use as voltage regulator, to study the charecteristics of a bipolar junction transistor in ce configuration, to study colpitts's oscillator, electro magnetic theory, to determine the specific rotation of sugar solution using polarimeter, to determine value of boltzmann constant using v-i charecteristics of pn diode, to study the output and transfer charecteristics of a jfet, study of photo cell(selenium), power factor of a.c. circuits by joule's calorimeter omega type es-202, determination of internal resistance of a primary cell by mance's method using p.o. box omega type es-204, determination of internal resistance of primary cell by using a potentiometer omega type es-207, calibration of a voltmeter with the help of a potentiometer omega type es-208, calibration of an ammeter with the help of a potentiometer omega type es-209, study of the variation in potential drop with length of wire by using potentiometer omega type es-210, comparison of two small resistance by using a potentiometer omega type es-211, comparison of electro motive forces (emps) of two primary cells by using a potentiometer, determination of mechanical equivalent of heat (j) by electrical method (joule's calorimeter) omega type es-213, determination of planck's constant by solar cell omega type es-214, study of resonance in lcr circuit and damping effect omega type es-215, determination of resistance of a wire using ammeter and voltmeter omega type es-216, verification of laws of resistance in series and parallel combination using ammeter and voltmeter omega type es-218, verificaton of laws of resistance in series and parallel combination using post-office box omega type es-219, determination of internal resistance of a cell using voltmeter & ammeter omega type es-220, study of rise and decay of current in an lr circuit with a source of canstant emf omega type es-221, determination of resistance of a given wire using meter bridge and the specific resistant of the material of the wire omega type es-222, verification of laws of resistance in series and parallel combin