21. What is the difference between torque and power?
22. Explain why diesel engine called as high torque and petrol engine as high speed engine?
23. Why heavy vehicles are made by diesel engine?
24. How does length and initial angel effect period in a simple pendulum?
25. Explain the difference between projectile motion and rocket motion?
26. According to you which one is stronger thick steel wire or thick steel wire and why?
27. Between steel copper and brass,which conduct faster heat.
28. Explain the types of sensor and their explanation.
29. What all are the mineral needed to make a car?
30. With the help of which instrument we can measure a speed in a car?
31. Advantage and disadvantage of using LPG in a car?
32. Why gas container are mostly in a cylindrical shape?
33. Explain, why re-heater is used in gas turbine?
34. How can a square section cut in lathe?
35. how many types of suspension is used in automobiles?
36. What is DTSI? Why it is used in motor bikes?
37. What are the advantages of DTSI over normal engines?
38. What is meant by gear ratio?
39. What is the ratio of specific heat of air?
40. What is the percentage of carbon present in pig iron?
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