GATE 1992 Production & Industrial
34 questions across 1 session
Wall thickness of drawn cup is controlled by
A hemispherical cup of radius $$'R'$$ is formed in a press working operation. The radius of blank would be
Thread rolling is restricted to
To stress relive a cold worked steel part, it is heated to a temp close to ..... A....... and grains obtained after cooling are........ B......... A. Lower critical temp/ upper cri...
If the elongation factor during rolling of an ingot is $$1.22.$$ The minimum number of passes needed to produce a section $$250 \times 250\,\,mm$$ from an ingot of $$750 \times 750...
Investment casting uses ......... (wax / resin coated sand) as pattern material and is preferred for small parts with ................. (simple/intricate) designs
The primary function of a riser is to
The diameter of the best wire to measure the effective diameter of a metric screw threads of $$0.5$$ $$mm$$ pitch is ......... $$mm$$
The skid in a stylus type roughness measuring instrument is used to provide ............ A .............. and define ................... B .............. geometrical profile of the...
A shaft of diameter $${20^{\matrix{ { + 0.05} \cr { - 0.15} \cr } }}$$ and a hole of diameter $${20^{\matrix{ { + 0.20} \cr { + 0.10} \cr } }}\,\,mm$$ when assembled would yield.
A blind hole is better tapped with a tap having
Two sheets of low carbon steel $$1.5mm$$ thick each are spot welded by passing a current $$10000$$ amps for $$5$$ cycles in $$50$$ $$Hz$$ main supply. i) What is the heat generated...
The type of coated electrode most widely used for welding low carbon steel is
In $$MIG$$ welding the power source characteristics is $${V_p} = 36 - {\rm I}/60$$ and the arc characteristics is $${V_a} = 2{L_a}\,\,\,\, + 27.$$ Find the change in power of the a...
Filler material is ......... A...... in resistance welding and the heat generated in the process is directly proportional to ........ B......... (A). used / not used$$\,\,\,\,\,\,\...
The joint configuration best suited for adhesive bonding is
The fit on a hole-shaft pair system is specified as $$H7$$-$$s6$$. The type of fit is
A straight edge is inspected on a coordinate measuring machine. The readings obtained at intervals of $$100mm$$ along the top edge are $$100.01, 100.05, $$ and $$100.04$$ $$mm$$ th...
The most widely used reinforcement in modern day $$FRP$$ tennis racket is
Control of group of $$NC$$ machines by a supervisory computer is known as ............... control.
A $$DC$$ servomotor is directly driving an $$NC$$ table. The pitch of the lead screw of the table is $$5$$ $$mm.$$ The motor rotates at $$100$$ $$rpm$$ for an applied voltage of $$...
The component development and manufacturing activities when assisted by a computer are: Computer Aided Graphics $$(CAG), CAD, CAM, CAPP$$ and Computer Aided Quality Control $$(CAQC...
Find the speed range ratio for the drilling machine spindle if the minimum and maximum diameters of drills used are $$5$$ $$mm$$ and $$25$$ $$mm$$ respectively and if the machinabi...
In a grinding wheel marked with $$AA-48-L-7-V-25, L$$ refers to
If the index crank of a dividing head is turned through one complete revoluation and $$10$$ holes in a $$30$$ hole circle plate, the work piece turns through (in degrees)
A generalized tool life equation for carbide tool for machining steel is given by $$\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,$$ $$V{T^a}{F^b}{D^c} = K,$$ Where $$V=$$ Cutting speed, meters/...
A generalized tool life equation for carbide tool for machining steel is given by $$\,\,\,\,\,\,\,\,\,\,$$$$\,\,\,\,$$ $$V{T^a}{F^b}{D^c} = K,$$ Where $$V=$$ Cutting speed, meters/...
To obtain dimension of $$61.18$$ $$mm$$ using slip gages, the most appropriate combination is
In mass manufacturing, two holes in a plate type of component are ideally located with the help of
$$A$$ $$30$$ $$mm$$ hole shaft assembly results in minimum and maximum clearances of $$0.03$$ $$mm$$ and $$0.30$$ $$mm$$ respectively. The hole has a unilateral tolerance with zero...
Chaplets are placed between mold in order to
Investment casting uses ...... A........... as pattern material and is preferred for small parts with .......... B.........designs. A. wax / resin coated sand B. simple / intricate
Increase in carbon content in plain carbon steels raise its
If the freezing ratio equal to (casting area/casting volume)/(riser area/riser volume) & the volumetric ratio equal to riser volume/casting volume, for a disc casting of $$20cm$$ d...