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Lead is poured into the joint between two- __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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  1. Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well.…
  2. One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
  3. Recrystallisation temperature of steel is __________ °C.
  4. The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 ×…
  5. Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
  6. Satellites burn off during re-entry to earth's atmosphere, because of the
  7. In case of simple harmonic motion, displacement is proportional to the
  8. Steam condenser tubes are made of admiralty brass, in which percentage of zinc & copper are __________…
  9. Material of construction of foundry crucible is
  10. Tip of the match stick contains a mixture of
  11. Which of the following represents the correct time-temperature curve when a block of metal is heated…
  12. Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
  13. Gas turbine normally employs a constant __________ cycle.
  14. Faraday's law of electrolysis is related to the
  15. The ratio of the shear stress to the principal stress on a principal plane is
  16. Identify the false statement
  17. Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation…
  18. Which of the following is not a characteristic observed in material failure by fatigue fracture?
  19. Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition…
  20. Machinability of hard alloys and tool steels is improved by
  21. The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed…
  22. Transformation range for ferrous material is the temperature interval during which __________ is formed…
  23. The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the…
  24. Use of flux during soldering is done to
  25. __________ of air does not increase with increase in temperature.
  26. 'Amortization' in respect of financial obligation of a company means the
  27. Increase in the entropy of a system represents the
  28. The most economical channel section for the fluid flow is the one for which the discharge is maximum…
  29. Starting friction is low in case of the __________ lubrication.
  30. Nickel and __________ are the alloying element added in steel to increase its toughness.