What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?
Thermit welding
Electroslag welding
Resistance welding
Submerged arc welding
- In electro-discharge machining, dielectric is used to
- In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent…
- The main purpose of a boring operation, as compared to drilling, is to
- In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
- What is the type of welding defect is caused due to stresses on heating and cooling called?
- Internal gears can be made by
- A single point tool has
- A mandrel is used to hold
- Ceramic cutting tools are
- Glazing in grinding wheels __________ cutting capacity.
- If the flame of the welding torch is directed towards the progress of welding, then what will you call…
- Cold working of steel is defined as working
- A jig is defined as a device which
- It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
- A push broach as compared to pull broach
- The silicon carbide abrasive is chiefly used for grinding
- If the cutting speed is increased, then the built-up-edge
- Which of the following statement is correct as regard to up milling?
- Segmental chips are formed during machining
- A drill considered as a cutting tool having zero rake, is known as a
- In order to prevent tool from rubbing the work _________ on tools are provided.
- A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to…
- The lip clearance angle is the angle formed by the
- The grinding wheel speed (surface speed in m/min) usually varies from
- The method of grinding used to produce a straight or tapered surface on a workpiece, is
- With the same tool life, the maximum material per minute is removed by
- A dynamometer is a device used for the measurement of
- The angle on which the strength of the tool depends is
- A left hand tool on a lathe cuts most efficiently when it travels
- For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature…