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Workshop Technology MCQ 6

1. For welding plates of thickness more than 12.5 mm, its edges
2. A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
3. When the weld is made from left to right, it is known as back-hand welding.
4. The casting method adopted for ornaments and toys of non-ferrous alloys, is
5. Scab is a casting defect which occurs as sand patches on the upper surface of a casting.
6. Cutting and forming operations can be performed in a single operation in a
7. Most of the oxy-acetylene welding is done with
8. In welding magnesium with TIG arc welding, direct current with __________ is used.
9. In order to check the clearance between two mating surfaces, a __________ gauge should be used.
10. In electric resistance welding, voltage required for heating is
11. The current in electric resistance welding can be regulated by
12. The teeth of hacksaw blade are bent
13. Structural sections such as rails, angles, I-beams are made by
14. The cutting edge of a chisel should be
15. In a cold chamber die casting machine, a measured quantity of molten metal is brought in a ladle from the melting pot to a chamber and forced into the closed die-section by applying hydraulic pressure upon the plunger.
16. A mortise gauge is a
17. In a cold chamber die casting machine
18. In a cold chamber die casting machine, only non-ferrous alloys with __________ are casted.
19. The minimum size of a billet is 10 cm x 10 cm.
20. For cutting brass, the hacksaw blade should have __________ teeth per 25 mm.
Workshop Technology MCQ 6
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