Steel balls are manufactured by
Sintering
Casting
Cold heading
Spinning
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- __________ pipe is the most suitable for carrying sanitary drainage.
- The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring…
- Which of the following is an acidic constituent of B.F. slag?
- Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.
- Starting friction is low in case of the __________ lubrication.
- Stellite is a __________ material.
- Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing…
- Tip of the match stick contains a mixture of
- Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
- Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
- In the acid Bessemer process, the hot metal should have the following composition.
- Work study deals with the __________ study.
- __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
- Maximum permissible sulphur content in steel is __________ percent.
- Which of the following is not a characteristic observed in material failure by fatigue fracture?
- The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
- Load cells used for the measurement of weight has
- Austempering process results in the formation of __________ structure.
- Which of the following processes follows the hardening process for reducing the hardening strains &…
- The stress at which extension of the material takes place more rapidly as compared to the increase in…
- A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…
- The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of…
- The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling…
- Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
- Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
- Dies for wire drawing are generally made of
- __________ can replace tungsten in high speed steel.
- Drossing is a __________ operation.
- The specific gravity of coal depends mainly on its __________ content.
- Which of the following is not a dielectric material?