Machining · Production Engineering · GATE ME

Metric thread of $$0.8$$ $$mm$$ pitch is to be cut on a lathe. Pitch of the lead screw is $$1.5$$ $$mm.$$ If the spindle rotates at $$1500$$ $$rpm,$$ ...

The following data is applicable for a turning operation. The length of job is $$900$$ $$mm,$$ diameter of job is $$200$$ $$mm,$$ feed rate is $$0.25$...

Internal gears are manufactured by

In a machining operation, if the generatrix and directrix both are straight lines, the surface obtained is

Two separate slab milling operations, $$1$$ and $$2,$$ are performed with identical milling cutters. The depth of cut in operation $$2$$ is twice that...

Match the Machine Tools (Group A) with the probable Operations (Group B) ...

A steel bar $$200$$ $$mm$$ in diameter is turned at a feed of $$0.25$$ $$mm/rev$$ with a depth of cut of $$4$$ $$mm.$$ The rotational speed of the wor...

Internal gear cutting operation can be performed by

Quality screw threads are produced by

A good cutting fluid should have

Trepanning is performed for

The hardness of a grinding wheel is determined by the

A lead screw with half nuts in a lathe, free to rotate in both directions has

Allowance in limits and fits refers to

Deep hole drilling of small diameter, say $$0.2$$ $$mm$$ is done with $$EDM$$ by selecting the tool material as

Abrasive material used in grinding wheel selected for grinding ferrous alloys is

Helix angle of fast helix drill is normally

The rake angle in drill

The rake angle in drill

Plain milling of mild steel plates produces

Diamond wheels should not be used for grinding steel components

Among the conventional machining processes, maximum specific energy is consumed in

To get good surface finish on a turned job, one should use a sharp tool with a ......... Feed rate and ............... Speed of rotation of the job.

In horizontal milling process ............................ (up/down) milling provides better surface finish and .............................. Up/down...

If the longitudinal feed in center-less grinding is expressed by $${V_f} = \pi \,D.\,\,N\,\sin \,\alpha ,\,\,D$$ stands for

In small lot production for machining $$T-$$slots on machine tables, it is expected to use

When $$1.0\% $$ plain carbon steel is slowly cooled from the molten state to $$740C,$$ the resulting structure will contain

Gear hobbing produces more accurate gears than milling because in hobbing

Minimum dimensional and form accuracy can be obtained in the cylinder bores of automobile engines if the bores are finished by

Teeth of internal spur gears can be accurately cut in a

In twist drills ......... (small/large) point angle and ........ (small/large) helix angle are provided for drilling soft, low strength steel.

The standard specification of a grinding wheel is $$A-46-M-6-V-21.$$ It means a wheel of

Cutting speed in grinding is set to a high value to

A flat surface of a C60 steel having dimensions of 100 mm (length) × 200 mm (width) is produced by a HSS slab mill cutter. The 8-toothed cutter has 10...

A block of length $$200$$ $$mm$$ is machined by a slab milling cutter $$34$$ $$mm$$ in diameter. The depth of cut and table feed are set at $$2$$ $$mm...

A shaft of length $$90$$ $$mm$$ has a tapered portion of length $$55$$ $$mm.$$ The diameter of the taper is $$80$$ $$mm$$ at one end and $$65$$ $$mm$$...

A hole of $$20$$ $$mm$$ diameter is to be drilled in a steel block of $$40$$ $$mm$$ thickness. The drilling is performed at rotational speed of $$400$...

In a single pass drilling operation, a through hole of $$15$$ $$mm$$ diameter is to be drilled in a steel plate of $$50$$ $$mm$$ thickness. Drill spin...

The figure shows an incomplete schematic of a conventional lathe to be used for cutting threads with different pitches. The speed gear box $${U_v}$$ i...

If each abrasive grain is viewed as a cutting tool, then which of the following represents the cutting parameters in common grinding operations?

A $$600$$ $$mm$$ $$ \times \,\,30\,\,mm$$ flat surface of a plate is to be finish machined on a shaper. The plate has been fixed with the $$600$$ $$m...

Through holes of $$10$$ $$mm$$ diameter are to be drilled in steel plate of $$20$$ $$mm$$ thickness. Drill spindle speed is $$300$$ $$rpm,$$ feed $$0....

The time taken to drill a hole though a $$25$$ $$mm$$ thick plate with the drill rotating at $$300$$ $$rpm$$ and moving at a feed rate of $$0.25$$ $$m...

The abrasive material used in grinding wheel selected for grinding of ferrous alloys is

...

Determine the transformation ratio $$(TR)$$ of the gear train connecting the spindle and the lead screw of $$4TPI$$ required to cut $$1.0mm$$ pitch sc...

Machine tool, structures are made ................. for high process capability (tough/ rigid/ strong)

A grinding wheel $$A$$ $$27$$ $$K7$$ $$V$$ is specified for finish grinding of a $$HSS$$ cutting tool. What do you understand about the wheel from the...

A milling cutter having $$8$$ teeth is rotating at $$150$$ $$rpm.$$ If the feed per tooth is $$0.1$$ $$mm,$$ the speed in $$mm$$ per minute is

Component process ...

A milling cutter having $$10$$ teeth is rotating at $$100$$$$rpm$$. The table feed is set at $$50mm$$ per minute. The feed per tooth in $$mm$$ is

Match the products and their manufacturing process ...

For cutting double start screw threads of pitch $$1.0$$ $$mm$$ on a lathe, the thread cutting tool should have a feed rate of