Measurement and Instrumentation 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 Standard ohm One international ohm One ohm according to working standards One ohm according to SI units Standard ohm One international ohm One ohm according to working standards One ohm according to SI units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lag. 0.917 lead. 0.6 lead. 0.6 lag. 0.917 lag. 0.917 lead. 0.6 lead. 0.6 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates Peak to peak value of voltage DC value of voltage Average value RMS value Peak to peak value of voltage DC value of voltage Average value RMS value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Frequency Force Power Charge Frequency Force Power Charge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 3. 2. 4. 1. 3. 2. 4. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = R2/2. R1 = R2. R1 = 3R2. R1 = 2R2. R1 = R2/2. R1 = R2. R1 = 3R2. R1 = 2R2. ANSWER DOWNLOAD EXAMIANS APP