Q.1
Which of the following methods of ramming is suitable for the small batch production of castings?
  • a) Hand moulding
  • b) Squeezing
  • c) Jolting
  • d) Sand slinging
Q.2
Which of the following parts is used in jolt moulding to ram the sand in mould?
  • a) Biscuit
  • b) Jolt
  • c) Roller
  • d) Overhead hopper
Q.3
Jolt method of ramming makes smooth ramming and packing of sand layers in the mould.
  • a) True
  • b) False
Q.4
The jolt method of ramming can be suitable for horizontal surfaces in the mould.
  • a) True
  • b) False
Q.5
The method of jolt ramming operates very leniently with the moulding equipment.
  • a) True
  • b) False
Q.6
The problem with moulding equipment in jolt moulding can be avoided by implementing a squeeze method of ramming.
  • a) True
  • b) False
Q.7
In squeeze ramming, hardness achieved is inversely proportional to the pressure applied on the squeeze plate.
  • a) True
  • b) False
Q.8
In squeeze ramming, plate is always provided with a contour to achieve a better hardness of the sand.
  • a) True
  • b) False
Q.9
Squeeze ramming is best for big castings and mainly suitable for high depth flasks.
  • a) True
  • b) False
Q.10
Which of the following is the best method for the uniform ramming of moulding sand?
  • a) Jolting
  • b) Squeezing
  • c) Sand slinging
  • d) Hand moulding
Q.11
Sand slinging method is best, but the process takes too much time to accomplish the operation.
  • a) True
  • b) False
Q.12
In sand slinging, which of the following parts is used for the spraying of moulding sand into the flask?
  • a) Biscuit
  • b) Runner
  • c) Diffuser
  • d) Nozzle
0 h : 0 m : 1 s