Instrumentation – Power Generation Leave a Comment / By Forumautomation / February 18, 2018 Welcome to your Quiz .This quiz is about power generation.it contains 15 questions 1. Which of the following properties a damping oil must possess ? Must be a good insulator Should be non-evaporating Should not have corrosive action upon the metal of the vane The viscosity of the oil should not change with the temperature All of the above 2. _____ instruments are those which measure the total quantity of electricity delivered in a particular time. Absolute Indicating Recording Integrating 3. The use of _____ instruments is merely confined within laboratories as stand¬ardizing instruments absolute indicating recording integrating none of the above 4. Resistances can be measured with the help of wattmeters voltmeters ammeters ohmmeters and resistance bridges 5. According to application, instruments are classified as switch board portable both (a) and (b) moving coil moving iron 6. The spring material used in a spring control device should have the following property. Should be non-magnetic Most be of low temperature co-efficient Should have low specific resistance Should not be subjected to fatigue All of the above 7. A _____ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly deflecting controlling damping any of the above 8. Which of the following essential features is possessed by an indicating instrument ? Deflecting device Controlling device Damping device All of the above 9. Which of the following are integrating instruments? Ammeters Voltmeters Wattmeters Ampere-hour and watt-hour meters 10. Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured? Absolute instruments Indicating instruments Recording instruments Integrating instruments Time's up
