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Q. Explain a Tube Well?
Method of restoring or increasing the capacity of tube well is known as developing a Tube Wells. This is done to eliminate bridging of fine particles on the voids of the strainers. That is achieved by one of the following method -
a) Back water - by forcing compressed air in the tube well.
b) Surging - By raising & lowering of the Plunger in a well. Thus sand particles are subjected to severe agitation.
c) Gravel Packing - Around the tube well gravel of size varying from 12 mm to 50 mm are filled. It is increase the area around the well thus decrease the velocity of water.
Q. Write a short note on heat sink For transistors handling small signals ,the power dissipated at the collector is small.Such transistors have little chances of thermal runawa
Q. Explain Time-Dependent Circuit Analysis? The response of networks to time-varying sources is considered in this chapter. The special case of sinusoidal signals is of particu
how does a zener diode works.
Q. The K map of a logic function is shown in Figure, in which ds denote don't-care conditions. Obtain the SOP expressions.
Q. Explain about Frequency Shift Keying? In this scheme frequency of the carrier signal is changed according to the data. Transmitter sends different frequencies for a "I" than
Q. Draw the common source drain and transfer characteristics of a JFET. How are they useful? The graph below shows variation of the drain current Id as a function of the drain
Evaluate Phase difference between voltage and current: An inductive coil of reactance 15.7 Ω and resistance 32 Ω is connected in series with a capacitor of reactance 79.5 Ω. T
GAS HAZARDS IN THE LABORATORY : As mentioned in the introduction of this unit, the gas hazards in a laboratory arise from LPG and other compressed gases. Though the use of gas for
The stator and rotor of a three-phase, 440-V, 15-hp, 60-Hz, eight-pole, wound-rotor induction motor are both connected in wye and have the following parameters per phase: R1 = 0.5
objective ?
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