Function of gear box is to

A. Reduce the speed

B. Obtain variable speed

C. Increase the speed

D. Produce high torque

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Tempering of a material does not improve its
  2. Wrought iron is never shaped by
  3. The swift cup test evaluates the following property of a sheet metal.
  4. The phenomenon occurring during explosion of a hydrogen bomb is
  5. For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
  6. Pick out the wrong conversion of absolute & kinematic viscosities.
  7. Powder metallurgy process does not make metal powder by
  8. A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through…
  9. Which of the following materials has the poorest electrical conductivity?
  10. A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
  11. The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
  12. Which of the following has the highest value of refractive index?
  13. __________ the exhaust gas is an indication of the incomplete combustion of fuel.
  14. For preparation of porous bearings by powder metallurgy, preferred particle shape is
  15. The highest stress that a material can withstand for a specified length of time without excessive deformation…
  16. A material being tested for endurance strength is subjected to the __________ load.
  17. Tesla metre per ampere (T. m/A) is the unit for the measurement of
  18. In the diving apparatus, helium is used along with oxygen, because it is
  19. The leaching solvent used in Baeyer's process for the purification of bauxite is
  20. Carnot cycle is also termed as the constant __________ cycle in thermodynamics.
  21. Pick out the wrong statement.
  22. Alloys having more than 80% copper are generally more
  23. __________ is not a case hardening process.
  24. Lead is added to 60:40 brass primarily to improve
  25. Potable water means the water used for
  26. Pick out the wrong statement.
  27. __________ test can be termed as the semidestructive test.
  28. Colour comparator is used to measure the
  29. All of the following alloying elements of steel increases hardness but sacrifice ductility, except
  30. Dislocations are __________ defects.