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Arrange the processes in the increasing order of their maximum material removal rate. Electrochemical Machining (ECM) Ultrasonic Machining (USM) Electron Beam Machining (EBM) Laser Beam Machining (LBM) and Electric Discharge Machining (EDM)
Which of the following sections of citizens should be excluded from the benefits of reservations according to the principles of 'Creamy Layer' as propounded by the Supreme Court in Mandal Commission judgment?
1. Advanced sections among the other Backward Classes
2. Advanced sections among the Scheduled Castes
3. Advanced sections among the Schedule Tribes
4. Advanced sections among the economically backward classes
Select the correct answer:
Consider the following statements and choose the correct answer:
1. Sieve cells are present in all groups of plants
2. Transverse position of end walls of sieve tubes is a primitive feature whereas their oblique or inclined position is an advanced condition
3. Restriction of sieve areas on the end wall is a primitive condition whereas their presence on end wall as well as radial wall is an advanced condition
4. The sieve plates with larger sieve pores are advanced
What is the full form of USM in advanced machining process?
Which three statements are true about the operation of a full-duplex Ethernet network?
1. There are no collisions in full-duplex mode.
2. A dedicated switch port is required for each full-duplex node.
3. Ethernet hub ports are preconfigured for full-duplex mode.
4. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
5. The host network card and the switch port must be capable of operating in full-duplex mode.
What are the advantages of Ice jet machining over the other advanced machining processes?
Which of the following statements are true in the case of Pulse Code Modulation (PCM)? a) If the number of bits per sample is increased from n to n + 1; the S/Nq the ratio would be 6 dB b) The quantization noise depends on the sampling rate c) The main advantage of PCM is that it possesses better performance in the presence of noise d) If the number of quantization levels increases from 4 to 64, the bandwidth increase by a factor of 4
What is the required bandwidth of the PCM system for 256 quantization levels when 48 telephone channels, each bandlimited to 4 kHz, are to be time-division multiplexed by this PCM?
Companding is used in PCM transmitters to overcome quantizing noise in PCM.
State whether the following statement is true or false regarding PCM. “In PCM, etching depth does not depend on the time, a component is immersed in the chemical solution.”