Measurement And Instrumentation - Study Mode

[#141] Considering the following statements: 1. Use of digital computer along with transducer maked data manipulation easier. 2. Digital signals are not dependent on signal amplifiers and so are easy to transmit without distortion and external noise. 3. Increased accuracy in pulse count is possible. 4. There are ergonomic advantages in presenting digital data. The main advantages of digital transducers include
Correct Answer

(D) 1, 2, 3 and 4

[#142] Which of the following are used in making resistance temperature detectors?
Correct Answer

(D) All these

[#143] In a vortex shedding flow meter, the shedding frequency is $${ ext{f}} = frac{{{{ ext{N}}_{{ ext{st}}}}{ ext{V}}}}{{ ext{D}}}$$ xa0 where N st is
Correct Answer

(C) Strouhal number

[#144] Wagner's earth a.c. bridge circuit is used to eliminate the effect of
Correct Answer

(D) parasitic capacitance to earth

[#145] How can be resolution of a wire-wound potentiometer be improved?
Correct Answer

(C) By reducing the diameter of the resistance wire