The primary purpose of a sprue in a casting mould is to
Feed the casting at a rate consistent with the rate of solidification.
Act as a reservoir for molten metal
Feed molten metal from the pouring basin to the gate
Help feed the casting until all solidification takes place
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- The shear velocity is the velocity of
- EDM machining is applied for
- A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen…
- In machining metals, chips break due to __________ of work material.
- Hard and tough materials like cast iron should be turned at
- The tool life is said to be over if
- Lathe bed is made of
- The helix angle of a drill is __________ for drilling brass.
- The lip angle of a single point tool is usually
- In transverse grinding
- A right hand tool on a lathe cuts most efficiently when it travels
- Which of the following statement is wrong about ultrasonic machining?
- Which of the following statement is correct for orthogonal cutting system?
- In which of the following milling machine, the table can be tilted in a vertical plane by providing…
- The tailstock set over required to turn a taper on the entire length of a workpiece having diameters…
- A drill considered as a cutting tool having zero rake, is known as a
- A jig is defined as a device which
- Drilling is an example of
- Continuous chips with built up edge are formed during machining of
- Tool signature consists of __________ elements.
- In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to…
- Chip breakers are used to
- A 15 mm drilling machine means that it can drill a hole
- Which of the following statement is correct in regard to centreless grinding?
- Twist drills are made of
- If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch…
- In hot machining, tool is made of
- As tool and work are not in contact in EDM process
- If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
- Which of the following parameters govern the value of shear angle in continuous chip formation?