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  • Question
  • In a hot chamber die casting machine


  • Options
  • A. melting pot is separate from the machine
  • B. melting pot is an integral part of the machine
  • C. melting pot may have any location
  • D. high temperature and pressure is used

  • Correct Answer
  • melting pot is an integral part of the machine 


  • Workshop Technology problems


    Search Results


    • 1. Which of the following welding process uses non-consumable electrodes?

    • Options
    • A. TIG welding
    • B. MIG welding
    • C. Manual arc welding
    • D. Submerged arc welding
    • Discuss
    • 2. In a centrifugal casting method, the impurities are collected in the centre of the casting.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 3. When a pattern is made in three parts, the bottom part is known as a cope.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The chisel used for cutting key ways is

    • Options
    • A. flat chisel
    • B. cape chisel
    • C. round nose chisel
    • D. diamond pointed chisel
    • Discuss
    • 5. In submerged arc welding, an arc is produced between a

    • Options
    • A. carbon electrode and the work
    • B. metal electrode and the work
    • C. bare metal electrode and the work
    • D. two tungsten electrodes and the work
    • Discuss
    • 6. Blanking and piercing operations can be performed simultaneously in a

    • Options
    • A. simple die
    • B. progressive die
    • C. compound die
    • D. combination die
    • Discuss
    • 7. The purpose of a riser is to

    • Options
    • A. deliver molten metal into the mould cavity
    • B. act as a reservoir for the molten metal
    • C. feed the molten metal to the casting in order to compensate for the shrinkage
    • D. deliver the molten metal from pouring basin to gate
    • Discuss
    • 8. In a four high rolling mill, there are four rolls out of which

    • Options
    • A. one is working roll and three are backing up rolls
    • B. two are working rolls and two are backing up rolls
    • C. three are working rolls and one is backing up roll
    • D. all of the four are working rolls
    • Discuss
    • 9. In arc welding, the electric arc is produced between the work and the electrode by

    • Options
    • A. voltage
    • B. flow of current
    • C. contact resistance
    • D. all of these
    • Discuss
    • 10. Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?

    • Options
    • A. Drawing
    • B. Extrusion
    • C. Rolling
    • D. Extrusion and rolling
    • Discuss


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