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PLC ( Programmable Logical Controller )
PLC stand for programmable logical controller. PLC is an industrial computer used to monitor inputs and depending upon their make decisions based on its program to control its outputs to automate a machine or a process. In another way a PLC may be called a digitally operating electronic apparatus because it is basically used a programmable memory for the internal storage of instructions by implementing specific functions such as logic sequencing. Timing counting and arithmetic to control various types of machines. They are used in many industries such as oil refineries manufacturing lines conveyor system etc.
1. Find the Nyquist rate for the following signals: (a) x(t) = 5 sin 3000Πt cos 4000Πt (b) A binary channel with bit rate 36000 bps is available for PCM voice transmission.
Turn off Time This is also known as gate controlled turn on time. The time interval between a specified point at the beginning of the gate pulse and the instant wh
disadvantage of series & shunt clipper
Q. In an RLC series circuit excited by a voltage source v(t), for R = 10 , L = 1 H, and C = 0.1F, determine v(t) if the capacitor voltage vC(t) = 5e -10t V.
determine & sketch convolution y(n) of signal X(n)=an , -3 0 , elsewhere H(n)=1 , 0 0 , elsewhere
What is macro? A macro is a group of instructions written within brackets and recognized by a name .This is used when a repeated group of instructions is too short or not app
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Explain conduct insulation resistance test on 100 VA inverter used for mobile and Laptop charging sockets? Ans: The insulation resistance of the inverter shall be calculated w
Q. What do you mean by Retention of Risk? Retention of Risk: In case of this method, the organization voluntarily accepts the risk since either the risk is insignificant or its
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