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Explain about relays.. Can we give both AC and DC to the same relay... How it is energising.. Explain its working..
IOCL,
7 12444the beam size (450x1000) effective length is 19.0mts no intermediate supports and top 8nos 32dia and bot 32dia and condition is stragge lap. it is exceeding lap zones and exceed length of bars?
1 3856i want to know ,If a five-digit number is input through the keyboard, write a program to calculate the sum of its digits.
1722what are the tests to be done for grout material, and procedure for compressive strength test procedure for grout material?
1 2304how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
1670What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?
1578
How do you measure water flowing through 300mm diameter pipes?
Explain the cycle of refrigeration system.
Define end float in a motor?
what is a voltage follower?
Why entropy change for a reversible adiabatic process is zero ?
What cmos is and its benefits?
how to determine the cable size...pls explain me with the formula taking particular load....does the factors like impedance & short circuit rating influence the cable size, if so how....
Hello sir, pls send me hpcl technical test papers .i am. Appearing for the exam.
what is the difference between np2 and np3 concrete mix
what is isolator
have a clutchless car or bike clutch for power transmission???
Reason for capillary type dp level transmitter fluctuation
sir iam vinod kumar i have done B.TECH. in mechanical engg in 2007 i want to choose career as section engg.please give the information about coaching institute.
how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.
what are the 4 rules to start the motor?
