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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 14426the 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 4547i want to know ,If a five-digit number is input through the keyboard, write a program to calculate the sum of its digits.
2330what are the tests to be done for grout material, and procedure for compressive strength test procedure for grout material?
1 3070how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
2116What 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?
2081
What is blower? Partlist of blower.
What black man invented the clothes dryer?
regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?
The graphite in grey irons exists in the form of flakes which act as stress-raisers under tensile loading and consequently grey irons have relatively low tensile strength and ductility. Still grey iron is extensively used in engineering. Why ?
use ofr concrete as per grade ?
Explain why would some industries select pneumatics over hydraulic?
Explain Random and Deterministic signals?
In the different classes or grades of concrete, what is the difference between C20, M20 B20. what are the letters C, M, and B stands for.
How the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?
List out the the types of Mounting Light fixture?
how to convert cubic metre per hour to newton cubic metre per hour
what is kvarh? Please define it With calculation General motors ?
What are encoders and decoders?
Differentiate between avalanche and zener breakdown.
Why derivative controller is not used in control systems?
