Description : On a vessel with turbo-electric drive, which of the following conditions would indicate that the propulsion motor had dropped out of synchronization with the propulsion generator? A. Excessive ... Tripped main motor interlocks C. Overheated crosstie busses D. Closed contact in the field circuits
Last Answer : Answer: A
Description : Which among the following represents the objectives/requirements of Data Link Layer? a. Frame Synchronization b. Error & Flow Control c. Both a & b d. None of the above
Last Answer : c. Both a & b
Description : Synchronization is achieved by a timing device called a ................. which generates a periodic train of .................. (A) clock generator, clock pulse (B) master generator, clock pulse (C) generator, clock (D) master clock generator, clock pulse
Last Answer : Answer: A and D
Description : As shown in the illustration, the circuit which 'shapes' the linear output of the thrust lever so that the steady-state ship speed is linear with respect to that lever's setting is the _____________. EL-0095 A. 'pitch controller' B. 'error amplifier' C. 'function generator' D. 'servo amplifier'
Last Answer : Answer: C
Description : Regarding an AC generator connected to the main electrical bus; as the electric load and power factor vary, a corresponding change is reflected in the generator armature reaction. These changes in ... . governor speed droop setting B. voltage regulator C. balance coil D. phase-balance relay
Last Answer : Answer: B
Description : While starting a main propulsion synchronous motor, the ammeter pegs out at maximum and then returns to the proper value after synchronization. This indicates the _____________. A. motor has started ... field windings are grounded C. slip rings are dirty D. power transmission cables are grounded
Description : How to increase brain-hand synchronization for games?
Last Answer : Practice. Lots and lots of practice. Don’t beat yourself up if you fail, just keep practicing. It will come eventually.
Description : What is a good free bookmark synchronization service?
Last Answer : Weave is good for just Firefox; it does more than just sync the bookmarks. I don’t believe it supports other browser yet.
Description : The Event Horizon Telescope required multiple telescopes, with split-second synchronization, to capture the image of the M87 black hole. How many telescopes were used? -Space
Last Answer : Recognizing their vision and leadership within the Event Horizon Telescope (EHT), the National Academy of Sciences (NAS) awards Shep Doeleman and Heino Falcke the Henry Draper Medal. ... a recent, original investigation in astronomical physics of sufficient importance and benefit to science.
Description : What is Bit Synchronization ?
Last Answer : The method used to coordinate between different bits when sending a signal is called bit synchronization.
Description : Which causes a quantization noise in PCM system? A. Serial transmission errors B. The approximation of the quantized signal C. The synchronization between encoder and decoder D. Binary coding techniques
Last Answer : B. The approximation of the quantized signal
Last Answer : The approximation of the quantized signal
Description : What synchronization is provided so that the start and end of message is identified? A. Carrier B. Character C. Bit D. Clock
Last Answer : B. Character
Description : What is known as the alignment of the three color guns to a common point? A. Confetti B. Divergence C. Convergence D. Synchronization
Last Answer : C. Convergence
Description : Quantization noise is caused by A. binary coding techniques B. serial transmission errors C. the synchronization between encoder and decoder D. the approximation of the quantized signal
Last Answer : D. the approximation of the quantized signal
Description : A simple way of looking at the spiral life-cycle model is as a waterfall model with each phase proceeded by a) Build-and-fix b) Freezing c) Synchronization d) Testing e) Risk analysis
Last Answer : e) Risk analysis
Description : In Manchester anddifferential Manchester encoding, the transition at the middle of the bit is usedfor __________. A) bit transfer B) baud transfer C) synchronization D) none of the above
Last Answer : synchronization
Description : In_______encoding, the duration of the bit is divided into twohalves. Thevoltage remains at one level during thefirst half and moves to the other level in the second half. The transition at the middle of the bit ... Manchester B) differential Manchester C) both (a) and (b) D) neither (a) nor (b)
Last Answer : both (a) and (b)
Description : ______ provides synchronization without increasingthe number of bits. A) Scrambling B) Line coding C) Block coding D) None of the above
Last Answer : Scrambling
Description : _____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above
Last Answer : Block coding
Description : Block coding can help in _______at the receiver. A) Synchronization B) Error detection C) Attenuation D) (a) and (b)
Last Answer : (a) and (b)
Description : Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables
Last Answer : B) End to end delivery
Description : Delimiting and synchronization of data exchange is provided by __________ a. Application layer b. Session layer c. Transport layer d. Link layer
Last Answer : b. Session layer
Description : Header of a frame generally contains a. synchronization bytes b. addresses c. frame identifier d. all of the mentioned
Last Answer : d. all of the mentioned
Description : Header of a Layer two frame usually contain ______________ A. synchronization bytes B. addresses C. frame identifier D. all of the mentioned
Last Answer : D. all of the mentioned
Description : Delimiting and synchronization of data exchange is provided by __________ a) Application layer b) Session layer c) Transport layer d) Link layer
Last Answer : b) Session layer
Description : Which of the following is the most commonly used standard for performing synchronization? a) SyncML b) SMIL c) SML d) None of the mentioned
Last Answer : SyncML
Description : Time synchronization is necessary in (A) FDM. (B) TDM. (C) WDM. (D) Quadrature multiplexing
Last Answer : (B) TDM.
Description : ___ Connection and the _______ instruction will solve the problem of synchronization between processor and coprocessor. a) INT & NMI, WAIT b) RQ/GT0 & RQ/GT1, FWAIT c) BUSY & TEST, FWAIT d) S0 & QS0, WAIT
Last Answer : b) RQ/GT0 & RQ/GT1, FWAIT
Description : Test design mainly emphasizes all the following except A. Data planning B. Test procedures planning C. Mapping the data and test cases D. Data synchronization
Last Answer : D. Data synchronization
Description : .............. refers to a situation in which a process is ready to execute but is continuously denied access to a processor in deference to other processes. A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation
Last Answer : D) Starvation
Description : ................ is the ability of multiple process to co-ordinate their activities by exchange of information A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation
Last Answer : A) Synchronization
Description : B) Mutual Exclusion
Last Answer : B) Mutual Exclusion
Description : hich of the following burst is used to broadcast the frequency and time synchronization control messages? a) FCCH and SCH b) TCH and DCCH c) RACH and TCH d) FCCH and DCCH
Last Answer : a) FCCH and SCH
Description : The start and stop bits are used in serial communication for (A) error detection (B) error correction (C) synchronization (D) slowing down the communication
Last Answer : (C) synchronization
Description : Dining Philosopher's problem is a: (A) Producer-Consumer problem (B) Classical IPC problem (C) Starvation problem (D) Synchronization primitive
Last Answer : (B) Classical IPC problem
Description : Which of the following is not associated with the session layer? (A) Dialog control (B) Token management (C) Semantics of the information transmitted (D) Synchronization
Last Answer : (C) Semantics of the information transmitted
Description : Compare TDMA and CDMA on the basis of sharing of time and B.W. Synchronization, code word ,guard band and guard time.
Last Answer : Sr. No Parameters TDMA CDMA 1 Sharing of time & B.W Sharing of time of satellite Transponder using entire BW Sharing of time and bandwidth both. 2 ... guard times and guard bands are required if it uses along with TDMA & FDMA. Otherwise not required.
Description : State the methods of task synchronization. Describe semaphore with suitable example.
Last Answer : The methods of task synchronization are: Semaphore Message queue. Mutual exclusion. Dead lock. Mailboxes. Message Queues. Semaphores: It is a system of sending message by using flags. Multiple concurrent threads of execution ... signal(Sem); } in process P2 { wait(Sem); S2; }
Description : In T1 digital system, the frame synchronization code repeats every
Last Answer : In T1 digital system, the frame synchronization code repeats every 125 microsecond
Description : The load sharing characteristics of two diesel alternators operating in parallel are directly related to the setting of their governors' ____________. A. load limit B. idle speed C. speed limit D. speed droop
Last Answer : Answer: D
Description : If a D.C. motor hums, but does not run when energized, which of the listed conditions could exist? A. Incorrect lead connections B. Incorrect brush setting C. A dirty commutator D. All of the above are correct.
Description : Two AC generators of the same capacity are operating in parallel. One with a zero speed droop setting and the other with a 5% speed droop. If its capacity is not exceeded, the unit whose ... B. maintain the frequency of the system C. have poor sensitivity characteristics D. have poor power response
Description : When using a multimeter for resistance measurements, it should be calibrated by clipping the loose ends of the leads together and _____________. A. setting the instrument pointer at 'zero' ohms B. ... the plus and minus terminals D. using a special purpose resistance measuring instrument (a bridge)
Description : When the series field relay "FR" of the winch circuit shown in the illustration is energized during dynamic braking the _______________. EL-0102 A. shunt Field Relay "FR-B.O." is de-energized and contacts ... . shunt Field Relay "FR-B.O." opposes the series coil's flux and sets the mechanical brake
Description : Before servicing the device indicated as 'A' in panels #1 and #3 of the illustration, the device labeled 'CT' must __________. EL-0003 A. have the disconnected leads taped to prevent ... D. have one lead grounded to discharge static electricity for the prevention of damage to electronic components
Description : Prior to taking a resistance reading with a volt-ohm-milliammeter, the 'zero' setting must be adjusted. After clipping the two leads together, you find the adjustment knob will not return the pointer ... range setting B. weak batteries C. a faulty zero ohms knob D. a faulty meter movement
Description : An open-circuit fault between the pressure switch and the 'annunciator module' shown in the illustration would cause the alarm circuit to react in the same manner as if ___________. EL-0094 A. 3.5 ... below switch setting C. 50 PSI were applied to the 'setpoint module' D. the pressure switch closed