Automation System D/A (digital to analog) conversion: both (b) and (c) must be fed through a filter to reproduce the original signal accurately results in a binary code as the final output has to be sampled at 1/2 the highest input frequency None of these both (b) and (c) must be fed through a filter to reproduce the original signal accurately results in a binary code as the final output has to be sampled at 1/2 the highest input frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Automation System An operational amplifier: can be used to sum two or more signals uses the principle of feedback All of these None of these can be used to subtract two or more signals can be used to sum two or more signals uses the principle of feedback All of these None of these can be used to subtract two or more signals ANSWER DOWNLOAD EXAMIANS APP
Automation System Timing using a TM990 micro-computer: None of these can be handled in software require an external timer added by the user both (b) and (c) is available on the standard CPU board None of these can be handled in software require an external timer added by the user both (b) and (c) is available on the standard CPU board ANSWER DOWNLOAD EXAMIANS APP
Automation System Computer-based controllers: are very flexible should be built in a modular fashion wherever possible are very difficult to change None of these (a) and (c) above are very flexible should be built in a modular fashion wherever possible are very difficult to change None of these (a) and (c) above ANSWER DOWNLOAD EXAMIANS APP
Automation System A venturi tube: can be used to measure gas or liquid flow rates is extremely difficult to use is made only of metal None of these measures the presence of a liquid can be used to measure gas or liquid flow rates is extremely difficult to use is made only of metal None of these measures the presence of a liquid ANSWER DOWNLOAD EXAMIANS APP
Automation System A dc servo motor: can provide precise position control All of these None of these uses a variable dc voltage for speed control uses a tachometer for speed feedback can provide precise position control All of these None of these uses a variable dc voltage for speed control uses a tachometer for speed feedback ANSWER DOWNLOAD EXAMIANS APP
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