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Transducers(Electrical Measurement And Instrumentation ) Questions and Answers
Home
Topic
Electrical Measurement And Instrumentation
Transducers
Question 1.
Rotational potentiometers use ___________
capacitance
self inductance
mutual inductance
resistance
Explanation:-
Answer: Option D. ->
resistance
Answer:
(d).
resistance
Question 2.
Potentiometric resistance transducer measures __________
linear displacement
rectangular displacement
square displacement
triangular displacement
Explanation:-
Answer: Option A. ->
linear displacement
Answer:
(a).
linear displacement
Question 3.
Resistance transducer has _________
medium efficiency
low efficiency
high efficiency
zero efficiency
Explanation:-
Answer: Option C. ->
high efficiency
Answer:
(c).
high efficiency
Question 4.
Temperature transducers make use of ___________
change in resistivity
change in length
change in area
change in capacitance
Explanation:-
Answer: Option A. ->
change in resistivity
Answer:
(a).
change in resistivity
Question 5.
Resistance potentiometer consists of _________
capacitive element
resistive element
inductive element
no elements
Explanation:-
Answer: Option B. ->
resistive element
Answer:
(b).
resistive element
Question 6.
Dynamic strain measurements use __________
brass iron alloy
iron aluminium alloy
nickel cadmium alloy
nickel chromium alloy
Explanation:-
Answer: Option D. ->
nickel chromium alloy
Answer:
(d).
nickel chromium alloy
Question 7.
Cement is classified under __________
4 types
2 types
6 types
8 types
Explanation:-
Answer: Option B. ->
2 types
Answer:
(b).
2 types
Question 8.
Gauge factor is given by which of the following relation?
S = \(\frac{\Delta R/R}{\Delta l}\)
S = \(\frac{\Delta R}{\Delta l/l}\)
S = \(\frac{R}{\Delta l/l}\)
S = \(\frac{\Delta R/R}{\Delta l/l}\)
Explanation:-
Answer: Option D. ->
S = \(\frac{\Delta R/R}{\Delta l/l}\)
Answer:
(d).
S = \(\frac{\Delta R/R}{\Delta l/l}\)
Question 9.
Proper functioning of a strain gauge depends on __________
strain
stress
bonding
length of wire
Explanation:-
Answer: Option C. ->
bonding
Answer:
(c).
bonding
Question 10.
Commonly used elements for wire strain gauges are __________
nickel and copper
nickel and gold
gold and brass
silver and aluminium
Explanation:-
Answer: Option A. ->
nickel and copper
Answer:
(a).
nickel and copper
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