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L&T Placement Paper



Instrumentation Engineering

1. Flow is directly proportional to?

2. What is newton's first law?

3. What is pascal's law?

4. strain gauge works on Which principle?

5. capacitance is equal to-
ans- capacitance= permeability*area/distance between plates

6. Which is 3rd layer of OSI MODEL?

7. emf generated is equal to?
ans= phi*Z*N*P/2*A

8. Which is used without contact?
ans= ultrasonic.

9. Which is not used for measuring temp?
ans= abbuno

10. PID stands for?

11. PID is used for?

12. Which is used for measurement of temp upto 1200 degree ?

13. 200 degree Celsius is equivalent to how many kelvin?

14. What is universal gas law?
ans= pv= n*r*T