Larger length & diameter water pipes are made by
Electrical resistance welding
Die casting
Semi-centrifugal casting
Continuous casting
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- What happens, when SO2 is passed through a solution of H2S in water?
- The joint for soldering is supported by binding wire made of
- Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.
- Chromium molybdenum steel cannot be welded using __________ welding.
- Recrystallisation temperature of steel is __________ °C.
- In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just…
- Pick out the correct combination about the role of various additives used in polymers.
- Which of the following performance characteristics of a S.I engine is not affected by the front end…
- Alloying elements present in Haynes stellite, which has superior performance than high speed steel,…
- Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional…
- In inventory control theory, the economic order quantity (EOQ) is the
- Which of the following does not have a sharp melting point?
- Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
- M10 index of coke indicates its
- Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts…
- Friction factor for fluid flow in pipe does not depend upon the
- __________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.
- Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating…
- Carbon supply in pack carburising process is in the form of
- Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal
- Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is…
- The dimensional formula of bulk modulus of elasticity is same as that of the
- While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________…
- Damage to metal surface by mechanical action is called
- Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic…
- Presence of nickel & chromium in steel does not raise its
- A spring material should have low
- If the head is doubled in & centrifugal pump, the power required will increase in the ratio of
- Which of the following metals reacts violently with water?
- Boiler tube size is specified by its thickness and __________ diameter.