Automation System If the period of a sine wave is 0.001 second, the frequency of the sine wave is: 10 Hz 10,000 Hz None of these 1,000 Hz 0.001 Hz 10 Hz 10,000 Hz None of these 1,000 Hz 0.001 Hz ANSWER DOWNLOAD EXAMIANS APP
Automation System Relay ladder logic is used in a PC because: it is impossible to write a control program for a machine in any other logic All of these it is the best industrial control language ever developed. most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use None of these it is impossible to write a control program for a machine in any other logic All of these it is the best industrial control language ever developed. most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use None of these ANSWER DOWNLOAD EXAMIANS APP
Automation System What Is a process variable? None of these A manipulated variable All of these A controlled variable A process parameter that changes value None of these A manipulated variable All of these A controlled variable A process parameter that changes value ANSWER DOWNLOAD EXAMIANS APP
Automation System A stepping motor; is a good choice where continuous rotation is needed None of these can index positional movement. has a speed proportional to voltage input has a commutator is a good choice where continuous rotation is needed None of these can index positional movement. has a speed proportional to voltage input has a commutator ANSWER DOWNLOAD EXAMIANS APP
Automation System A Hall effect switch is usually used to: sense the presence of a magnetic object. None of these sense a vacuum measure temperature measure voltage sense the presence of a magnetic object. None of these sense a vacuum measure temperature measure voltage ANSWER DOWNLOAD EXAMIANS APP
Automation System D/A (digital to analog) conversion: must be fed through a filter to reproduce the original signal accurately both (b) and (c) has to be sampled at 1/2 the highest input frequency results in a binary code as the final output None of these must be fed through a filter to reproduce the original signal accurately both (b) and (c) has to be sampled at 1/2 the highest input frequency results in a binary code as the final output None of these ANSWER DOWNLOAD EXAMIANS APP