Measurement and Instrumentation In a megger controlling torque is provided by Gravity Eddy current Coil Spring Gravity Eddy current Coil Spring ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. Should have low specific resistance Most be of low temperature co-efficient All of the listed here Should non magnetic Should have low specific resistance Most be of low temperature co-efficient All of the listed here Should non magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.7 V. 1 V. 1.5 V. 1.34 V. 1.7 V. 1 V. 1.5 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electric pyrometer is an instrument used to measure Phase Frequency None of the listed here High temperatures Phase Frequency None of the listed here High temperatures ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 3% 2% 1% 4% 3% 2% 1% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.01V 0.25V 0.01V 0.05V 0.01V 0.25V 0.01V 0.05V ANSWER DOWNLOAD EXAMIANS APP