The helix angle of a drill is __________ for drilling brass.
Equal to 30°
Less than 30°
More than 30°
None of these
- The operation in which oil is permeated into the pores of a powder metallurgy product is known as
- A jig is defined as a device which
- The lip angle of a single point tool is usually
- As the cutting speed increases, the tool cutting forces
- A single point thread cutting tool should ideally hav
- Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
- In centreless grinding, work place centre will be
- The drill spindles are provided with standard taper known as
- The average cutting speed for turning mild steel with a high speed steel tool is
- In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.
- Down milling is also called
- A fixture is defined as a device which
- In ECM, the material removal is due to
- Drilling is an example of
- Chip breakers are used to
- Which of the following statement is incorrect with reference of lathe cutting tools?
- A grinding wheel becomes glazed (i.e. cutting edge takes a glasslike appearance) due to
- The method of centre less grinding used to produce taper is
- The guideways are of
- An open structure of a grinding wheel is used for
- In down milling, the thickness of chip is
- A better machinable metal is one which gives
- In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then…
- Tool life is generally better when
- Segmental chips are formed during machining
- In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done…
- The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty…
- In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to…
- A 15 mm drilling machine means that it can drill a hole
- The size of a shaper is given by