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Chapter:

21. The raised potion from parent metal in welding is known as ______

deposition fusion depth penetration reinforcement

reinforcement

Weld metal in excess of quantity required to fill a joint. This can be machined for a good surface finish.

Hint Answer

22. Minimum material limit of shaft is

Maximum diameter of hole Maximum diameter of shaft Smallest diameter of hole Minimum diameter of shaft

Minimum diameter of shaft

Minimum material limit of shaft is minimum diameter of shaft. Maximum material limit of shaft is maximum diameter of shaft.

Hint Answer

23. Which of following inert gas is used with DC power supply only?

Argon Helium CO₂ Nitrogen

CO₂

Co₂ is used only in DC power supply. It cannot be used in AC power supply. Argon and helium can be used with AC supply.

Hint Answer

24. Small weld used to temporarily hold two pieces is called as __________

crater base metal tack weld penetration

tack weld

Tack welds are essentially temporary welds that help to hold two metals in place. The main purpose of tack weld is to hold two pieces of metal in place while we apply actual, final weld.

Hint Answer

25. In which of following gas welding process a non-consumable electrode is used?

Submerged arc welding Tungsten inert gas welding Stud welding Gas metal arc welding

Tungsten inert gas welding

In tungsten inert gas welding process a non-consumable electrode is used, which is made of tungsten.

Hint Answer

26. Which of following is a type of welding joint?

Tee joint Lap joint Corner joint All of the Mentioned

All of the Mentioned

Different types of welding joints are depicted below:

Hint Answer

27. For joining two insoluble materials such as iron and silver which of following filler material is used?

Cobalt Tin Aluminium Zinc

Tin

Tin is used for joining two insoluble materials such as iron and silver because it is soluble in both parent material (i.e. silver and iron).

Hint Answer

28. Value of minimum clearance is given by

Size of smallest hole – size of biggest shaft Size of smallest hole + size of biggest hole Size of smallest shaft – size of biggest shaft None of the mentioned

Size of smallest hole – size of biggest shaft

Minimum clearance is difference between size of smallest hole and size of biggest shaft.

Hint Answer

29. In which of following joining process filler material used is different as parent material?

Autogenous Homogenous Heterogenous Either homogenous or heterogenous

Heterogenous

In heterogenous joining process filler material used is different as parent material.

Hint Answer

30. The deflection of arc in arc blow is by?

Electric field Magnetic field Combination of both Hydrostatic field

Magnetic field

The deflection of arc in arc blow is by a magnetic field. Electric field, hydrostatic field does not affect deflection of arc.

Hint Answer

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All Chapters

View all Chapter and number of question available From each chapter from Manufacturing-engineering-I

Crystallography and Defects in Solid

Crystallography and Defects in Solid

Mechanical Properties and Testing and Phase Diagram

Mechanical Properties and Testing and Phase Diagram

Ferrous Metal, Non-Ferrous Metal and Heat Treatment

Ferrous Metal, Non-Ferrous Metal and Heat Treatment

Magnetic Properties of Material, Electrical Properties of Materials, Plastics, Ceramics and Composites

Magnetic Properties of Material, Electrical Properties of Materials, Plastics, Ceramics and Composites

Metal Cutting

Cutting-Tool Materials and Cutting Fluids

Cutting-Tool Materials and Cutting Fluids

Lathe Machines, Shaping and Slotting

Lathe Machines, Shaping and Slotting

Milling, Drilling and Reaming

Milling, Drilling and Reaming

Grinding, Surface Finishing Operations and Unconventional Machining Processes

Grinding, Surface Finishing Operations and Unconventional Machining Processes

Metrology, Welding, Fusion-Welding Processes and Unconventional Welding Methods

Metrology, Welding, Fusion-Welding Processes and Unconventional Welding Methods

Powder Metallurgy, NC Part Programming and Metal Casting and Gating Systems

Powder Metallurgy, NC Part Programming and Metal Casting and Gating Systems

Forming, Metal Forming Processes and Heat Transfer

Forming, Metal Forming Processes and Heat Transfer

Jigs and Fixture, Applications and Gears

Jigs and Fixture, Applications and Gears

Topics

This Chapter consists of the following topics

Metrology

Welding

Fusion-Welding Processes and Unconventional Welding Methods

The raised potion from parent metal in welding is known as ______

Minimum material limit of shaft is

Which of following inert gas is used with DC power supply only?

Small weld used to temporarily hold two pieces is called as __________

In which of following gas welding process a non-consumable electrode is used?

Which of following is a type of welding joint?

For joining two insoluble materials such as iron and silver which of following filler material is used?

Value of minimum clearance is given by

In which of following joining process filler material used is different as parent material?

The deflection of arc in arc blow is by?

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