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Caterpillar Technical Interview Questions

Posted on :22-03-2016

Q1. Why capacitor bank is not used in generator power?


Q2. Explain PIN photodiode and avalanche photodiode.


Q3. Give the applications of optical fibers and sensors.


Q4. Can we use light duty vehicle axle into the heavy duty machinery axle? If no, then why?


Q5. Name the alloy used in the manufacture of surgical instruments.


Q6. What path does double slider crank mechanism follows?


Q7. What are the uses of superconductors?


Q8. What is the ratio between Brake horse power to the energy supplied?


Q9. For a given compression ratio the efficiency of Otto cycle>Diesel cycle. Is it true or false?


Q10. Turning moment diagram for compression stroke of IC engine.


Q11. What is hammer blow?


Q12. What is anodizing?


Q13. What is the value of pressure used in electric resistance welding?


Q14. Critical speed of a shaft is affected by---.


Q15. How will you compute performance of diesel engine?


Q16. How will you pump viscous fluid?


Q17. Heat transfer is based on which law?


Q18. In refrigeration, where will temperature be maximum?

ANS: between compressor and condenser.


Q19. If refrigerator is opened in a room, fan is also on. What will happen to room temperature?


Q20. How will you improve resistance?


Q21. What is honing process?


Q22. What is meant by graft in casting?


Q23. What is the condition for principal plane?

ANS: shear stress 0, normal stress maximum.


Q24. Heat transfer is based on which thermodynamic law?


Q25. Explain - up milling and down milling.


  
   






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