The primary purpose of a sprue in a casting mould is to

A. Feed the casting at a rate consistent with the rate of solidification.

B. Act as a reservoir for molten metal

C. Feed molten metal from the pouring basin to the gate

D. Help feed the casting until all solidification takes place

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The shear velocity is the velocity of
  2. EDM machining is applied for
  3. A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen…
  4. In machining metals, chips break due to __________ of work material.
  5. Hard and tough materials like cast iron should be turned at
  6. The tool life is said to be over if
  7. Lathe bed is made of
  8. The helix angle of a drill is __________ for drilling brass.
  9. The lip angle of a single point tool is usually
  10. In transverse grinding
  11. A right hand tool on a lathe cuts most efficiently when it travels
  12. Which of the following statement is wrong about ultrasonic machining?
  13. Which of the following statement is correct for orthogonal cutting system?
  14. In which of the following milling machine, the table can be tilted in a vertical plane by providing…
  15. The tailstock set over required to turn a taper on the entire length of a workpiece having diameters…
  16. A drill considered as a cutting tool having zero rake, is known as a
  17. A jig is defined as a device which
  18. Drilling is an example of
  19. Continuous chips with built up edge are formed during machining of
  20. Tool signature consists of __________ elements.
  21. In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to…
  22. Chip breakers are used to
  23. A 15 mm drilling machine means that it can drill a hole
  24. Which of the following statement is correct in regard to centreless grinding?
  25. Twist drills are made of
  26. If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch…
  27. In hot machining, tool is made of
  28. As tool and work are not in contact in EDM process
  29. If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
  30. Which of the following parameters govern the value of shear angle in continuous chip formation?