A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding of steel and cast iron, is
Carburizing flame
Oxidizing flame
Oxy-acetylene flame
Neutral flame
- The operation of smoothing and squaring the surface around a hole is known as
- In ECM, the material removal is due to
- In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used…
- If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch…
- A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to…
- As tool and work are not in contact in EDM process
- Fixtures are used
- Dielectric is used in
- What is the welding defect caused due to improper control and poor removal of slog between passes called?
- During the execution of a CNC part program block NO20 GO2 X45.0 Y25.0 R5.0 ; the type of tool motion…
- For softer materials, the point angle of the drill is kept
- In order to achieve a specific surface finish in single point turning, the most important factor to…
- The shear velocity is the velocity of
- For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
- The drill spindles are provided with standard taper known as
- The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
- Internal gear cutting operation can be performed by
- In up milling, the thickness of chip is
- The crystal structure of austenite is
- The material property which depends only on the basic crystal structure is
- In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
- An expendable pattern is used in
- The rake angle required to machine brass by high speed steel tool is
- The vector sum of cutting velocity and chip velocity is __________ shear velocity.
- In oblique cutting of metals, the cutting edge of the tool is
- The process of removing metal by a cutter which is rotated against the direction of travel of workpiece,…
- Glazing in grinding wheels takes place when the
- High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
- The lip angle of a single point tool is usually
- For turning internal tapers, the suitable method is