Function of gear box is to
Reduce the speed
Obtain variable speed
Increase the speed
Produce high torque
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- Tempering of a material does not improve its
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- Which of the following materials has the poorest electrical conductivity?
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- The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
- Which of the following has the highest value of refractive index?
- __________ the exhaust gas is an indication of the incomplete combustion of fuel.
- For preparation of porous bearings by powder metallurgy, preferred particle shape is
- The highest stress that a material can withstand for a specified length of time without excessive deformation…
- A material being tested for endurance strength is subjected to the __________ load.
- Tesla metre per ampere (T. m/A) is the unit for the measurement of
- In the diving apparatus, helium is used along with oxygen, because it is
- The leaching solvent used in Baeyer's process for the purification of bauxite is
- Carnot cycle is also termed as the constant __________ cycle in thermodynamics.
- Pick out the wrong statement.
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- __________ is not a case hardening process.
- Lead is added to 60:40 brass primarily to improve
- Potable water means the water used for
- Pick out the wrong statement.
- __________ test can be termed as the semidestructive test.
- Colour comparator is used to measure the
- All of the following alloying elements of steel increases hardness but sacrifice ductility, except
- Dislocations are __________ defects.