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 V. 1.5 V. 1.7 V. 1.34 V. 1 V. 1.5 V. 1.7 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have None of these The same number of turns but different dimensions The same dimension but different number of turns The same dimensions and the same number of turns None of these The same number of turns but different dimensions The same dimension but different number of turns The same dimensions and the same number of turns ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Either of the above Power transformers Potential transformers Current transformers Either of the above Power transformers Potential transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x velocity Change in velocity / time Force x displacement Mass x acceleration Mass x velocity Change in velocity / time Force x displacement Mass x acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.38 V. 3.53 V. 4.54 V. 5 V. 4.38 V. 3.53 V. 4.54 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low voltage measurements High voltage measurements Low current measurements High current measurements Low voltage measurements High voltage measurements Low current measurements High current measurements ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS