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    MCQ on Workshop Technology - Set 02

    Practice Test: Question Set - 02

    1. The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
      (A) Less than 0.1 percent
      (B) Less than 0.3 percent
      (C) More than 0.3 percent
      (D) Anywhere between 0.1 to 1 percent

    2. Shift is a casting defect which
      (A) Results in a mismatching of the top and bottom parts of a casting
      (B) Results in general enlargement of a casting
      (C) Occurs near the ingates as rough lumps on the surface of a casting
      (D) Occurs as sand patches on the upper surface of a casting

    3. When a hole or cavity to be cored is not in line with the parting surface, then a ________ is used.
      (A) Horizontal core
      (B) Vertical core
      (C) Drop core
      (D) Balanced core

    4. The adhesiveness is the property of sand due to which
      (A) It evolves a great amount of steam and other gases
      (B) The sand grains stick together
      (C) It clings to the sides of a moulding box
      (D) None of these

    5. In sheet metal work, he cutting force on the tool can be reduced by
      (A) Grinding the cutting edges sharp
      (B) Increasing the hardness of tool
      (C) Providing shear on tool
      (D) Increasing the hardness of die

    6. Which of the following statement is wrong?
      (A) The mortise gauge has two scribing pins
      (B) The gouges are chisels with a hollow shaped blade
      (C) An auger is a planing tool
      (D) All of these

    7. The mode of deformation of the metal during spinning is
      (A) Bending
      (B) Stretching
      (C) Rolling and stretching
      (D) Bending and stretching

    8. In forehand welding, the weld is made
      (A) From left to right
      (B) From right to left
      (C) First from left to right and then from right to left
      (D) Either from left to right or from right to left

    9. The temperature at which the new grains are formed in the metal is called
      (A) Lower critical temperature
      (B) Upper critical temperature
      (C) Eutectic temperature
      (D) Recrystallisation temperature

    10. The surface to be left unmachined is marked on the pattern by
      (A) Red colour
      (B) Yellow colour
      (C) Black colour
      (D) Blue colour

    11. A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
      (A) The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction
      (B) The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction
      (C) The bottom and middle roll rotate in the same direction
      (D) Any one of the above

    12. The metal extrusion process is generally used for producing
      (A) Uniform solid sections
      (B) Uniform hollow sections
      (C) Uniform solid and hollow sections
      (D) Varying solid and hollow sections

    13. A jolt machine is used to
      (A) Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
      (B) Ram the sand harder at the back of the mould and softer on the pattern face
      (C) Produce uniform sand hardness throughout the mould
      (D) Produce uniform packing of sand in the mould

    14. In a ________, two or more operations are performed simultaneously at the single stroke of the ram.
      (A) Simple die
      (B) Progressive die
      (C) Combination die
      (D) Compound die

    15. The operation of bending a sheet of metal along a curved axis, is known as
      (A) Plunging
      (B) Notching
      (C) Slitting
      (D) Forming

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    Item Reviewed: MCQ on Workshop Technology - Set 02 Rating: 5 Reviewed By: Pranab Debnath
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