Description : Consider efficiencies of hydro-turbines and generators. If the efficiency of a hydro-turbine is 80% and the efficiency of a generator is 90%, what is the overall efficiency of the unit? w) 85% x) 72% y) 90% z) 70%
Last Answer : ANSWER: X -- 72%
Description : What is the difference between synchronous generator & asynchronous generator?
Last Answer : In simple, synchronous generator supply’s both active and reactive power but asynchronous generator (induction generator) supply’s only active power and observes reactive power for magnetizing. This type of generators is used in windmills.
Description : What Is The Difference Between Synchronous Generator & Asynchronous Generator?
Last Answer : In simple, synchronous generator supply’s both active and reactive power but asynchronous generator(induction generator) supply’s only active power and observe reactive power for magnetizing. This type of generators are used in windmills.
Description : What is the difference between synchronous generator and asynchronous generator?
Last Answer : In simple, synchronous generator supplies’ both active and reactive power but asynchronous generator (induction generator) supply’s only active power and observe reactive power for magnetizing. This type of generators is used in windmills.
Last Answer : alternator Synchronous At speed Rotate Is Says This one Synchronous Generator Says.
Description : Why Alternator is called Synchronous generator?
Last Answer : Because it rotates at a constant (i.e.synchronous speed ) no matter what the load on alternator is.For instance if its a 2 pole machine it will rotate at 3000 rpm to produce a frequency of 50 Hz in India.
Description : Induction generator a) can not work in isolation b) can work in isolation c) should work in parallel with synchronous generators d) any of the mentioned
Last Answer : Ans: C
Description : What makes electricity by letting falling water turn turbines and generators?
Last Answer : Need answer
Description : A developer wants to process all transactions in the sequence specified by the application. Which type of Remote Function Call (RFC) implementation do you recommend? A. Background RFC (bgRFC) B. Asynchronous RFC (aRFC) C. Synchronous RFC (sRFC) D. Transactional RFC (tRFC)
Last Answer : D. Transactional RFC (tRFC)
Description : Determine from the following the basic mode of transmission system in the public data network in which data are transferred from the source to the network and from the network to the destination in the frame format. A. Voice mode B. Asynchronous mode C. Synchronous mode D. Packet mode
Last Answer : D. Packet mode
Description : Known as the data transfer scheme that used handmaking principle. A. Synchronous data transfer scheme B. DMA data transfer scheme C. Asynchronous data transfer scheme D. Uninterrupted data transfer scheme
Last Answer : A. Synchronous data transfer scheme
Description : Data is directly on the transmission cable. A. Asynchronous B. Synchronous C. Baseband D. Broadband
Last Answer : C. Baseband
Description : Slowest communications hardware product. A. Synchronous B. Asynchronous C. Ethernet D. Internet
Last Answer : B. Asynchronous
Description : Modem is referred to as ______. A. Universal asynchronous Rx/Tx B. Data communication equipment C. Universal synchronous Rx/Tx D. Data terminal equipment
Last Answer : B. Data communication equipment
Description : Synchronous modems cost more than asynchronous modem because _______. A. They have larger bandwidth B. They are larger C. The production volume is larger D. They have clock recovery circuits
Last Answer : D. They have clock recovery circuits
Description : What is the principal difference between asynchronous and synchronous transmission? A. The clocking is mixed with the data in synchronous transmission B. The pulse height are difficult C. The clocking is derived from the data in synchronous D. The bandwidth required is difficult.
Last Answer : C. The clocking is derived from the data in synchronous
Description : In __________ transmission, a unique SYNC character is transmitted at the beginning of each message. A. asynchronous B. synchronous C. digital D. analogue
Last Answer : B. synchronous
Description : ECE Board Exam March 1996 What is the one principal difference between synchronous and asynchronous transmission? A. the pulse height are different B. the clocking is derived from the data in ... C. the clocking is mixed with the data in asynchronous D. the bandwidth required is different
Last Answer : B. the clocking is derived from the data in synchronous transmission
Description : Are events synchronous of asynchronous?
Last Answer : Asynchronous
Description : Batch is synchronous or Asynchronous operations?
Last Answer : Ans: Asynchronous operations.
Description : The synchronous modems are more costly than the asynchronous modems because a. they produce large volume of data b. they contain clock recovery circuits c. they transmit the data with stop and start bits d. they operate with a larger bandwidth e. none of above
Last Answer : they contain clock recovery circuits
Description : Which of the following statement is incorrect? a. The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission. b. Half ... in online activities d. Batch processing is the prefered processing mode for telecommunication operation.
Last Answer : Batch processing is the prefered processing mode for telecommunication operation.
Description : The ________ modeprovides synchronizationfor the entire stream of bits must. In other words, it guarantees that the data arrive ata fixed rate. A) synchronous B) asynchronous C) isochronous D) none of the above
Last Answer : isochronous
Description : In_________ transmission, we send bits oneafter another without startor stop bits or gaps. It is the responsibilityof the receiver togroup the bits. A) synchronous B) asynchronous C) isochronous D) none of the abov
Last Answer : synchronous
Description : In______ transmission, wesend1 start bit (0) at thebeginningand 1 or more stop bits (1s) at the end of each byte. A) synchronous B) asynchronous C) isochronous D) none of the above
Last Answer : asynchronous
Description : In_______transmission, astartbit and a stopbit frame a character byte. A) asynchronous serial B) synchronous serial C) parallel D) (a) and (b)
Last Answer : asynchronous serial
Description : In_______transmission, bits aretransmittedover asingle wire, one ata time. A) asynchronous serial B) synchronous serial C) parallel D) (a) and (b)
Last Answer : (a) and (b)
Description : In_______transmission, bits aretransmittedsimultaneously,each across its own wire. A) Asynchronous serial B) Synchronous serial C) Parallel D) (a) and (b)
Last Answer : Parallel
Description : SONET is a _______ TDM system. A) asynchronous B) synchronous C) statistical D) none of the above
Last Answer : none of the above
Description : The synchronous modems are more costly than the asynchronous modemsbecause A. they produce largevolumeof data B. they contain clock recovery circuits C. they transmit thedata with stop and start bits. D. they operate witha largerbandwidth E. None of the above
Description : Which of the following condition is usedto transmit two packets overa medium at the same time? A. Contention B. Collision C. Synchronous D. Asynchronous E. None of the above
Last Answer : Collision
Description : Choose the Protocols working in the Data Link Control Layer of OSI model below. a. ATM (Asynchronous Transfer Mode), Frame Relay b. HDLC (High Level Data Link Control), SDLC (Synchronous Data Link Control) c. ARP (Address Resolution Protocol), IEEE802.3 d. All the above
Last Answer : d. All the above
Description : Which transmission mode is used for data communication along telephone lines? (A) Parallel (B) Serial (C) Synchronous (D) Asynchronous
Last Answer : (B) Serial
Description : The situation when both transmitter and receiver have to work in tandem is referred to as (A) parallel (B) serial (C) synchronous (D) asynchronous
Last Answer : (C) synchronous
Description : How many synchronous and asynchronous modes are there in serial port of 8096? M. Krishna Kumar/IISc. Bangalore M5/V1/June 04/1 Microprocessors and Microcontrollers/ Multiple Choice Questions Architecture of Micro ... 2, 2 respectively b) 3,1 respectively c) 1, 3 respectively d) 1, 2 respectively
Last Answer : c) 1, 3 respectively
Last Answer : Asynchronous operations.
Description : The output of a JK flipflop with asynchronous preset and clear inputs is 1'. The output can be changed to 0' with one of the following conditions. (A) By applying J = 0, K = 0 and using a clock. (B) ... (C) By applying J = 1, K = 1 and using the clock. (D) By applying a synchronous preset input.
Last Answer : Ans: C Preset state of JK Flip-Flop =1 With J=1 K=1 and the clock next state will be complement of the present state.
Description : The essential difference between traps and interrupts is (A) traps are asynchronous and interrupts are synchronous with the program (B) traps are synchronous and interrupts are asynchronous with the program ( ... synchronous and interrupts are asynchronous with the I/O devices. (D) None of these.
Last Answer : (B) traps are synchronous and interrupts are asynchronous with the program
Description : Compare synchronous and asynchronous communication.
Last Answer : Synchronous communication Asynchronous communication Single clock is used for both transmitter and receiver Two different clocks are used for both transmitter and receiver Data bits are transmitted ... Character is received at a any rate Less reliable More reliable
Description : Compare characteristics of asynchronous and synchronous transmission mode (four points).
Last Answer : Synchronous transmission Asynchronous transmission 1. Synchronous transmission are synchronized by an external clock. 1. Asynchronous transmission are synchronized by special signals along the transmission ... for transferring a small amount of data as it is simple and economical.
Description : Compare synchronous and asynchronous counter.
Last Answer : Asynchronous Counter Synchronous Counter In an Asynchronous Counter the output of one Flip Flop acts as the clock Input of the next Flip Flop. In a Synchronous Counter all the Flip Flop's are ... Also called as serial counter Also called as Parallel Counter
Description : Compare Asynchronous sequential and synchronous sequential circuits.
Last Answer : SR. NO. ASYNCHRONOUS SEQUENTIAL CIRCUIT SYNCHRONOUS SEQUENTIAL CIRCUITS. 1 Output can be changed at any instant of time by changing the input Output changes at discrete ... the counter change state simultaneously. This is because all the flip-flops are clocked simultaneously.
Description : Synchronous vs asynchronous logic
Last Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
Description : Asynchronous circuits are usually faster than synchronous circuits because
Last Answer : Asynchronous circuits are usually faster than synchronous circuits because they are free running and do not depend on the frequency of the clock
Description : What is the difference between synchronous and asynchronous motors?
Last Answer : The motor which rotates at constant speed is called synchronous motor. And that constant speed is called as synchronous speed. And the motor which does not rotates at constant speed are called asynchronous motor. Asynchronous motor is also called as Induction motor.
Description : what is the difference between synchronous and asynchronous motor?
Last Answer : Asynchronous motors and syncrouns motor are called as dc machines. and also syncrouns motor called as induction motor. Asynonymous motor as are rotates with constant speed we not able to operate . ... It is able to operate. These are a small difference between syncrouns and asynchronous motors.
Description : The cycles per second developed by the alternator aboard your vessel is determined by _____________. A. the speed of the engine driving the alternator B. the resistance applied to the field rheostat C. the synchronous speed of induction D. the adjustments made to the voltage regulator
Last Answer : Answer: A
Description : What happens to the excess energy wind turbines generate?
Last Answer : No, it cannot be stored. When the demand for wind energy tapers off, wind turbines are idled/turned off. The blades, like on a propeller driven aircraft, are turned sideways in the wind so that they ... was 200' tall with blades that were 150' long. The turbine rotated at a maximum of 17½ RPM.
Description : Do you support energy generation via wind turbines?
Last Answer : answer:Yes, we had a question about this like a week ago. And Again my answer is: My house is running completely on wind power. (Awesome video, though)
Description : How do you make wind turbines safe for flying creatures?
Last Answer : big-ass scarecrows?