Instrumentation – Power Generation part 3 Leave a Comment / By Areej / February 21, 2018 November 11, 2020 Welcome to the third part of your quiz "Instrumentation - Power Generation part 3" this part contains 15 questions related to power generation 1. Most common form of A.C. meters met with in every day domestic and industrial mercury motor meters installations are commutator motor meters induction type single phase energy meters all of the above 2. The household energy meter is an indicating instrument a recording instrument an integrating instrument None of the above 3. Which of the following meters are not used on D.C. circuits Mercury motor meters Commutator motor meters Induction meters None of the above 4. The chemical effect of current is used in D.C. ammeter hour meter D.C. ammeter D.C. energy meter none of the above 5. The pointer of an indicating instrument should be very light very heavy either (a) or (b) neither (a) nor (b) 6. For handling greater currents induction wattmeters are used in conjunction with potential transformers current transformers power transformers none of the above 7. Induction type single phase energy meters measure electric energy in kW Wh kWh VAR None of the above 8. Is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another, Tangent galvanometer Meggar Current transformer None of the above 9. A potentiometer may be used for measurement of resistance measurement of current calibration of ammeter calibration of voltmeter all of the above 10. Which of the following devices may be used for extending the range of instruments ? Shunts Multipliers Current transformers Potential transformers All of the above 11. An induction meter can handle current upto 10 A 30 A 60 A 100 A 12. A moving-coil permanent-magnet instrument can be used as _____ by using a low resistance shunt. ammeter voltmeter flux-meter ballistic galvanometer 13. Which of the following is an essential part of a motor meter ? An operating torque system A braking device Revolution registering device All of the above 14. In majority of instruments damping is provided by fluid friction spring eddy currents all of the above 15. A moving-coil permanent-magnet instrument can be used as flux-meter by using a low resistance shunt by using a high series resistance by eliminating the control springs by making control springs of large moment of inertia Time's up
