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a describe that energy is a point function and a property of the systemb what is the essence of 1st law of thermodynamics write down expression for
a derive the mathematical equation for work done in a polytropic process ie pvn cb a mass of gas is compressed in a quasi-static process from 80kpa
a describe and explain the zeroth law of thermodynamics why it is so called what is understand by fixed points of a thermometric scale b in what
a specify giving reasons whether the following systems are closed open or isolated when in operationi kitchen refrigeratorii ice-cream freezeriii
a derive the mathematical expression for steady flow energy equation state the assumption made before the derivationb the internal energy of a
a show that two statements of second law of thermodynamics are similar to each otherb a house that was heated by electric resistance heater consumed
a illustrate reversible irreversible and quasi-static process with examplesb what do you mean by terms change of state path process property cyclec
i need to review 2 different softwares one is windows based and the other is linux based please ask for further
maximum channel utilization in a lan is defined by frame time tf and propagation time tp it is defined bya tptfb tftp c 1 tftp d tf tp
the ccitt standard bandwidth for speech isa 20000
mac is the abbreviation for a multimedia access control b media access controlc mobile access control d master access point
ss7 protocol usesa out of band signallingb associated signallingc speech control signallingd no signallingansss7 protocol uses out of band
companding helps in reducing with respect to signal a interference b
in a dtmf phone digits are represented bya orthogonal frequenciesb orthogonal phases c orthogonal codes d orthogonal pulsesansdigits
in step by step switching line finders are connected to the a calling subscriber
telephone traffic is measured ina seconds b hoursc erlang d pulses per minuteanstelephone traffic is
call request signal is a seize signalb idle state signalc line identification signald called subscriber alert signal anscall
network layer is used fora breaking up the data in frames for transmissionb deal with error correctionc automatic recovery of
example of circuit switching and sampf stored and forward switching isa telephone and post of telegraph b video signal post or telegraph c
trunks are the lines that run betweena subscribers and exchange b switching system and power plantc local area
spc is used fora carrying exchange control functions b carrying subscriber control functions c exchange hardwared signalling
network with point-to-point link is known asa fully connected network b half connected networkc duplex connected
the grade of service is measured ina the grade of service is measured ina
erlang is used toa measure busy period b give total busy period in minutesc measure
distortion caused on telephone line by an adjacent one is calleda cross