Posted on : April 27, 2018 By Sivaranjith Welcome to your Quiz. Measurement and Instrumentation Multiple Choice Questions and Answers: it contains 20 questions 1. For measurements on high voltage capacitors, the suitable bridge is Wein bridge Modified De Santy's bridge Schering bridge None of the above2. 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 instruments3. Which of the following is measured by using a vector voltmeter? Amplifier gain and phase shift Filler transfer functions Complex insersion loss All of the above4. For measuring a very high resistance we should use Kelvin's double bridge Wheat stone bridge Meggar None of the above5. It is required to measure the true open circuit e.m.f. of a battery. The best device is D.C. voltmeter Ammeter and a known resistance D.C. potentiometer None of the above6. A moving-coil permanent-magnet instrument can be used as _____ by using a low resistance shunt ammeter voltmeter flux-meter ballistic galvanometer7. Which of the following are integrating instruments? Ammeters Voltmeters Wattmeters Ampere-hour and watt-hour meters8. Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter D.C. potentiometer Small range thermocouple voltmeter None of the above9. For measuring current at high frequency we should use moving iron instrument electrostatic instrument thermocouple instrument none of the above10. Which of the following meters are not used on D.C. circuits Mercury motor meters Commutator motor meters Induction meters None of the above11. Commonly used standard capacitor is spherical type concentric cylindrical type electrostatic type multilayer parallel plate type12. _____ instruments are those which measure the total quantity of electricity delivered at a particular time. Absolute Indicating Recording Integrating13. Which of the following devices may be used for extending the range of instruments? Shunts Multipliers Current transformers Potential transformers All of the above14. To measure radio frequency, the suitable frequency meter is Weston frequency meter reed vibrator frequency meter electrical resonance frequency meter hetrodyne frequency meter15. Wagner earthing device is used to eliminate errors due to electrostatic coupling electromagnetic coupling both (a) and (b) none of the above16. The use of _____ instruments is merely confined within laboratories as stand¬ardizing instruments absolute indicating recording integrating17. A Weston synchronoscope is a moving coil instrument moving iron instrument dynamometer instrument none of the above18. The electrical power to a Meggar is provided by battery permanent magnet D.C. generator AC. generator any of the above19. Which of the following essential features is possessed by an indicating instrument? Deflecting device Controlling device Damping device All of the above20. For handling greater currents induction wattmeters are used in conjunction with potential transformers current transformers power transformers either of the aboveFor more Knowledge please visit: Automationforum.in Automationforum.co Related Sivaranjith News Reporter You must log in to post a comment.