Instrumentation Transducers Practice Test 1

1. How will you obtain a given function from unit step signals?

f (t) = 1 for -1≤t≤1 
0 otherwise

2. What is the advantage of Owens Bridge over other AC bridges?

3. What is the span of an instrument, operating under a bias which read a value from 230V to 450V only?

4. How systematic errors are eliminated?

5. Accuracy in a bridge measurement depends on_____________

6. Which of the following is not a characteristic of an ideal transducer?

7. What is the span of an ammeter with range -30 to +30A?

8. What are the four terminals in four terminal resistance?

9. Closeness of measured value to true value is _________________

10. What will be the average value of current, if its peak value is 43A?