Quiz No:51 Instruments and measurements RRB , Coal India , PSC , PWD , Engineering diploma Level

1. A Hall’s effect pickup can be used for the measurement of—

 
 
 
 

2. Relative permittivity can be measured by …… bridge.

 
 
 
 

3. ……… is a low cost thermocouple.

 
 
 
 

4. LVDT is a ………… transducer.

 
 
 
 

5. The output of LVDT is in the form of—

 
 
 
 

6. ……… is a digital transducer.

 
 
 
 

7. The brightest spot, on a cathode ray screen occurs at—

 
 
 
 

8. Phosphor coating for cathode ray tubes is provided on—

 
 
 
 

9. A C .R .O. can be used to measure—

 
 
 
 

10. The input impedance of a C.R.O. is—

 
 
 
 

11. The cathode of a C.R.O. is usually coated with—

 
 
 
 

12. A ……… is used to measure frequency in wave guides.

 
 
 
 

13. A wave guide acts as a ……… pass filter.

 
 
 
 

14. ……… is not a signal conditioner.

 
 
 
 

15. ……… is used to measure flow of air around an aero plane.

 
 
 
 

16. Which of the following is the measurement of capacitance?

 
 
 
 

17. Which of the following is the measurement of natural inductance.

 
 
 
 

18. Which is the measurement of self induc­tance—

 
 
 
 

19. ……… can measure pressure directly.

 
 
 
 

20. Load cell is essentially a ………

 
 
 
 

21. Which of the following can not be measured by Ring-balance meter?

 
 
 
 

22. By a Rota meter we can measure—

 
 
 
 

23. ……… can measure only level.

 
 
 
 

24. ……… can measure only pressure.

 
 
 
 

25. …………… cannot be used to measure pressure.