Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
q what do you mean by distressingdistressing is the operation under taken with or with out rail tensors to secure stress free condition in the lwr at
q what is long welded raillong welded rail is a welded rail the central part of which dose not under go any longitudinal movement due to temperature
q explain the process of directed track maintenancedtm is a method to maintain the track is directed every day and not as a prescribed routine dtm
q what is unimat machinethe machine has got 16 independently tiltable tamping tools which enable the machine to work on points and crossing as well
q what is portal cranesthe portal crane is a hydraulically driven four wheeled machine and is meant for carrying sleepers or track panels the power
q what is objective method of assessmenttrack recording consists of objective method of assessment of the quality of track with the help of
q illustrate weld failures in trackthese are failures occurring to defects in welding the joint these defects are either because of improper
q explain flash butt weldingin this process the ends of two rails are kept at fixed distance apart and a mould designed to suit the rail section is
q explain about junction fetthe jfet is a three-terminal voltage-controlled current device whereas the bjt is principally a three-terminal
q working of field-effect transistorsfield-effect transistors fets may be classified as jfets junction field-effect transistors depletion mosfets
given that a bjt has beta 60 an operating point defined by icq 25 ma and an early voltage va 50 v find the small-signal equivalent circuit
consider the common-emitter bjt circuit shown in figure a the static characteristics of the npn silicon bjt are given in figure b along with the load
q illustrate breakpoint analysiswhen a circuit consists of two or more ideal diodes it will have several distinct operating conditions resulting from
consider a forward-biased diode with a load resistance let the static volt-ampere characteristic of the diode be given by equations and typically
q what is elementary diode circuitssemiconductor diodes are used in a wide variety of applications their usage abounds in communication systems
q what is pure semiconductorspure semiconductors known as intrinsic semiconductors have very few charge carriers and may hence be classified as
q illustrate diffrent types of modemsthere are four different types of modems half-duplex full-duplex synchronous and asynchronouswith half-duplex
q explain frequency-division multiplexingfrequency-division multiplexing fdm is a technique for data transmission widely used in telephone radio and
q what is data transmission and modemsdata can be transferred between two stations in either serial or parallel transmission parallel data
q explain about transmission mediathese also known as physical channels can be either bounded or unbounded bounded media in which signals
a protocol is a formal description of message formats and the rules two or more machines must follow to exchange those messages because tcp
q future scope of the internetthe future scope of the internet along with the world wide web born in 1990 and the commercialization of the internet
q what is computer communications networkscomputer communications networks are the outcome of a combination of computers and telecommunication
q explain about microprocessorsmicroprocessors have instruction sets ranging from 20 to several hundred instructions known as microprograms which are
q what is interpreteran interpreter translates each high-level-language statement into its equivalent set of machine-language instructions which are