Measurement and Instrumentation Electrostatic instruments are used as Wattmeter only Both ammeter and voltmeter Voltmeters only Ammeters only Wattmeter only Both ammeter and voltmeter Voltmeters only Ammeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4 A. 4.47 A. 5.78 A. 2 A. 4 A. 4.47 A. 5.78 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 2.24) A (400 ± 3) A (400 ±5) A (400 ± 1) A (400 ± 2.24) A (400 ± 3) A (400 ±5) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of inductance having high value, we should use Hay's bridge Maxwell wein bridge Maxwell's bridge Any of the listed here Hay's bridge Maxwell wein bridge Maxwell's bridge Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Gross errors Random errors Systematic errors Environmental errors Gross errors Random errors Systematic errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have large time constant. high inertia. All of these higher response time. large time constant. high inertia. All of these higher response time. ANSWER DOWNLOAD EXAMIANS APP
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