41. The form factor in AC is the ratio of A. Peak value to average value B. Peak value to rms value C. Rms value to average value D. Rms value to peak value Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
42. The error of an instrument is normally given as a percentage of A. Measured value B. Full-scale value C. Mean value D. Rms value Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
43. The repeat accuracy of an instrument can be judged from its A. Static error B. Linearity error C. Dynamic error D. Standard deviation of error Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
44. The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is A. Standard ohm B. One international ohm C. One ohm according to SI units D. One ohm according to working standards Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
45. In a gravity controlled instrument, the deflection angle is proportional A. Measurand B. Square of the measurand C. Sine inverse of measurand D. Sine of the measurand Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
46. The problem of Electrostatic coupling in a transformer is acute at A. Low frequencies B. Power frequencies C. High frequencies D. High load on the transformer Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
47. Which meter is suitable for the measurement of 10mV at 50MHz? A. Moving iron voltmeter B. VTVM C. Moving coil voltmeter D. CRO Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
48. Which of the following devices should be used for accurate measurement of low D.C. voltage? A. Small range moving coil voltmeter B. D.C. potentiometer C. Small range thermocouple voltmeter D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
49. An instrument to be used for measurement and control should preferably have A. Dead zone and dead time B. Linear output and fast response C. Non-linear output D. A highly damped response Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
50. Electrostatic instruments are normally used for A. Low current measurements B. High current measurements C. Low voltage measurements D. High voltage measurements Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board