__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

A. Collar

B. Flanged

C. Bell and Spigot

D. Expansion

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  1. Which of the following is an undesirable property of slag produced during the Pyrometallurgical method…
  2. Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.
  3. The most commonly used moderator in nuclear power plants is
  4. Calorific value of __________ are almost same.
  5. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
  6. Which of the following is the most suitable material of construction for the condenser tubes, where…
  7. Lead is added to 60:40 brass primarily to improve
  8. An example of unsteady non uniform flow is the flow of liquid under pressure through a
  9. Steel & cast iron pipes are produced by __________ casting.
  10. Superheating of steam is done at constant
  11. Cold heading or upsetting is categorised as the __________ process.
  12. For dynamic strain measurement, the Wheatstone bridge used is of __________ type.
  13. The rolling process cannot be used to produce
  14. Boiler draught of 10 mm water column is equivalent to
  15. The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress…
  16. The following type of bonding is strongly directional in solids.
  17. Coating provided on the electrodes used in the arc welding is not expected to
  18. Unit of viscosity in CGS system is
  19. The mechanism which changes the value of manipulated variable in response to the output signal from…
  20. Recrystallisation temperature of steel is __________ °C.
  21. Rankine cycle comprises of two isothermal and two __________ processes.
  22. __________ can replace tungsten in high speed steel.
  23. Atomic __________ of an element is a whole number.
  24. Which of the following commonly used condenser tube materials has the lowest thermal conductivity?
  25. Ultimate strength in tension as compared to that in shear for steel is
  26. Damage to metal surface by mechanical action is called
  27. __________ has a negative co-efficient of linear expansion.
  28. The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the…
  29. Thermit welding uses the following energy source.
  30. Out of the following __________ iron has the best capability to bear sudden & excessive shocks.