Quiz No:53 Instruments and measurements RRB , Coal India , Engineering diploma Level , PWD , PSC - Mahatmaacademy.com

Quiz No:53 Instruments and measurements RRB , Coal India , Engineering diploma Level , PWD , PSC

1. A moving iron instrument can be used for—

 
 
 
 

2. The scale of a rectifier instrument is—

 
 
 
 

3. The resistance in the circuit of the moving coil of a dynamometer wattmeter should be—

 
 
 
 

4. A dynamometer wattmeter can be used for—

 
 
 
 

5. An induction wattmeter can be used for—

 
 
 
 

6. An ohmmeter is a—

 
 
 
 

7. For measuring a very high resistance we should use—

 
 
 
 

8. The electrical power to a Megger is provided by-

 
 
 
 

9. In a Megger controlling torque is provided by-

 
 
 
 

10. The operating voltage of a Megger is about—

 
 
 
 

11. For measurement of mutual inductance we can use—

 
 
 
 

12. For measurement of inductance having high value we should use—

 
 
 
 

13. If the current in a capacitor leads the voltage by 800, the loss angle of the capacitor is—

 
 
 
 

14. In a Schering bridge the potential of the detector above earth potential is—

 
 
 
 

15. In a vibrating reed frequency meter the natural frequencies of two adjacent reeds have a difference of—

 
 
 
 

16. A Weston synchronoscope is a—

 
 
 
 

17. Systematic errors are—

 
 
 
 

18. Standard resistor is made from—

 
 
 
 

19. Commonly used standard capacitor is—

 
 
 
 

20. The rectifier instrument is not free from—

 
 
 
 

21. Most sensitive galvanometer is—

 
 
 
 

22. An instrument transformer is used to extend the range of—

 
 
 
 

23. High voltage tests are—

 
 
 
 

24. Which of the following instruments can be made using magnetic effect?

 
 
 
 

25. In instruments the term ‘artificial aging1 is associated with—