Measurement And Instrumentation - Study Mode

[#71] A wire strain gauge element subjected to a strain has a gauge factor of 2, a resistance of 125 ohms and is of 1 m length. For a change in length of the wire by 0.005 m, the change in the resistance will be
Correct Answer

(C) 1.25 ohm

[#72] The following could be the one of the errors in an energy meter
Correct Answer

(C) Creeping

[#73] The most useful transducer for displacement sensing with excellent sensitivity, linearity and resolution is
Correct Answer

(C) a LVDT

[#74] Which of the following is NOT a characteristic of an ideal transducer?
Correct Answer

(C) Low linearity

[#75] Low pressure is measured using:
Correct Answer

(A) McLeod gauge