Electrical Measurements Mock Test 9

10%

Question 1 of 10

1. Active transducers are classified into ____________

4 types

8 types

2 types

6 types

Question 1 of 10

Question 2 of 10

2. Strain gauge is a _________

resistive transducer

capacitive transducer

mechanical transducer

inductive transducer

Question 2 of 10

Question 3 of 10

3. Multiplexing after A/D conversion involves _____________

mixed signal data

analog data

digital data

noisy data

Question 3 of 10

Question 4 of 10

4. Electrical strain gauges measure changes in _______

capacitance only

resistance, capacitance and inductance

resistance only

inductance only

Question 4 of 10

Question 5 of 10

5. Sensitivity is the smallest value of measurable strain.

False

True

Question 5 of 10

Question 6 of 10

6. What is a helipot?

resistive element

inductive element

helicopter

helipad

Question 6 of 10

Question 7 of 10

7. A transducer must have _____________

maximum loading

zero loading

infinite loading

minimum loading

Question 7 of 10

Question 8 of 10

8. The output of a transducer must __________

be of medium reliability

be less reliable

not be reliable

be highly reliable

Question 8 of 10

Question 9 of 10

9. Physical parameters change due to ________

voltage

power

current

internal and external disturbances

Question 9 of 10

Question 10 of 10

10. Poisson’s ratio is given by which of the following relation?

µ = -\(\frac{\Delta d/d}{\Delta l/l}\)

µ = -\(\frac{\Delta d/d}{\Delta l}\)

µ = -\(\frac{\Delta d}{\Delta l/l}\)

µ = -\(\frac{d}{\Delta l/l}\)

Question 10 of 10