Why is pulse train gating preferred over pulse gating? Explain with relevant circuit and waveforms, the pulse train gating of SCRs.
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Description : Draw a neat sketch of Gating system. State the functions of any four elements.  

Answer : Gating system:  1. Sprue: The circular cross section that minimizes heat loss and turbulence is sprue, and the area of it is quantified from the choke area as well as the gating ratio.  2. ... the molten metal flow from the ingate has to be proportional to the casting area's volume. 

Description : Explain the pulse width modulation technique for control of AC output voltage.

Description : How To Find Your Pulse

Answer : How To Find Your Pulse Knowing how to find your pulse, or other people's pulses is fairly important. First, it can help you monitor your target heart range (THR) and second, it's one of ... and maneouver a little bit if you must. You should feel your radial artery pretty strongly in this position.

Description :  A pulse radar has a pulse repetition frequency (PRF) of 3 KHz. If the radar is emitting at 10 GHz, what is the maximum unambiguous range for this radar? A) 5 Km B) 5 m C) 50 Km D) 15 m 

Answer :  A pulse radar has a pulse repetition frequency (PRF) of 3 KHz. If the radar is emitting at 10 GHz, what is the maximum unambiguous range for this radar? A) 5 Km B) 5 m C) 50 Km D) 15 m 

Description : A pulse compression radar transmits an encoded pulse having a frequency chirp from 990 MHz to 1010 MHz centred around 1 GHz. The range resolution capability of this radar is A) 7.5 m B) 7.5 Km C) 75 m D) 750 m 

Answer : A pulse compression radar transmits an encoded pulse having a frequency chirp from 990 MHz to 1010 MHz centred around 1 GHz. The range resolution capability of this radar is 7.5 m