Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, m and s. g, cm and s. g, m and s. kg, cm and s. kg, m and s. g, cm and s. g, m and s. kg, cm and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for voltmeter only. ammeter only. ammeter, voltmeter and wattmeter. wattmeter only. voltmeter only. ammeter only. ammeter, voltmeter and wattmeter. wattmeter only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 Nm. 100 Nm. 200 Nm. 2 Nm. 1 Nm. 100 Nm. 200 Nm. 2 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but magnetic Non conductor and non magnetic Conductor but non magnetic Non conductor but magnetic Conductor but magnetic Non conductor and non magnetic Conductor but non magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 12 V 6 V 40 V 100 V 12 V 6 V 40 V 100 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS