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Which special file is used for narrow work? S3M1-1
Why slots are provided in the slotted castle nuts? S3M1-2
What is the name of limit gauge? S3M1-3
What is the name of gauge? S3M1-4
Which gauge is used to check the gap between the mating parts? S3M1-5
Which material is used to clean the slip gauge? S3M1-6
Which material is to wash off the lapping plate after charging? S3M1-7
Which material is used to protect slip gauge from rust? S3M1-8
What is the name of the gauge? S3M1-10
Which finishing process have a high degree of dimensional accuracy? S3M1-11
Which is the abrasive used for lapping soft steel and non-ferrous metals? S3M1-12
Why grooves are provided on the surface of the lapping plate? S3M1-13
What is the method of surface hardening?’ S3M1-14
What is the method of surface hardening? S3M1-15
What is the name of the heat treatment process for reheating the hardened steel to a temperature below $$400^\circ C$$ followed by cooling?
Why the tempering process carried out in steel? S3M1-17
What is the purpose of annealing in steel? S3M1-18
What is the name of the key? S3M1-19
What is the purpose of key? S3M1-20
What is the ratio of key way taper? S3M1-21
What is the name of key? S3M1-22
Which type of metal screws useful for self tapping on hard or brittle materials? S3M1-23
What is the advantage of wing nut? S3M1-24
What is the name of gauge? S3M1-25
Which gauge is used to check the accuracy of an external thread? S3M1-26
What is the instrument used in measuring external diameter? S3M1-27
Find out the height of slip gauge ‘a’? $$(\sin 25^\circ = 0.4226)$$ S3M1-28
How many set of feeler gauges are available as per BIS? S3M1-29
What material is used to make radius and fillet gauge? S3M1-30
What is the purpose of slit provided in the lapping tool? S3M1-32
What is the name of operation? S3M1-33
What type of abrasives are used in honing cast iron and non-ferrous materials? S3M1-34
Which method of surface hardening, the surface remains free from scales? S3M1-35
What is the process if the steel is heated above critical temperature and soaking it for sufficient time and cooling it very slowly within furnace? S3M1-36
What is the process to refine the structure of steel component? S3M1-37
Which method of surface hardening is done in a heated salt bath? S3M1-38
Which key has rectangular cross section is fit into keyway cut on both shaft and hub? S3M1-40
Which key is useful for fitting on tapered shafts? S3M1-41
Where is circular taper key used? S3M1-42
How the plain bearings are kept in a position without allowing them to rotate along with the shaft? S3M1-43
What is the name of key? S3M1-44
What is the name of key? S3M1-45
What is the file for lock repair and filing hard notches in keys? S3M1-46
What is the name of screw? S3M1-47
What is the advantage of lock washer? S3M1-48
What is the name of screw driver? S3M1-49
What is the name of locking device? S3M1-50
What is the advantage of using Gib headed key? S3M1-51
Which file is used for finishing sharp corners? S3M1-52
What is the name of file? S3M1-53
Which device is used to check the workpiece to confirm the shape? S3M1-54
What is the purpose of feeler gauge? S3M1-55
What is the name of gauge? S3M1-56
Which gauge is used to check the outside diameter of a cylindrical shaft? S3M1-57
What is the act of joining the slip gauges together for building up sizes? S3M1-58
What material is used to make sine bar? S3M1-59
How the length of sine bar is specified? S3M1-60
Which one forms the hypotenuse of the triangle while checking with sine bar? S3M1-61
What is the effect of excessive application of abrasive compound in lapping operation? S3M1-62
What is caused if the lap is harder than the workpiece? S3M1-63
Which material is used to make small diameter laps? S3M1-64
What is the name of surface texture measuring instrument? S3M1-65
Why manual stroking is preferred for large quantities in honing operation? S3M1-66
What is the purpose of hardening? S3M1-67
Which method of heat treatment to improve machinability and ductility in the job? S3M1-68
What is the disadvantage of flame hardening in the heat treatment process? S3M1-69
What is the name of method in metallic coating done by rolling or drawing the layers of metal on the base metal? S3M1-70
Which type of key used if the hub of pulley has to axially slide on the shaft to some distance? S3M1-71
What is the name of file? S3M1-72
Which nut protects the bolt end thread from damages? S3M1-73
Which grade slip gauge is used for precision tool room applications? S3M1-74
Which material is used to make slip gauge block? S3M1-75
Which operation is performed with fine abrasive particles? S3M1-76
What is the purpose of normalising? S3M1-77
Which structure of steel contain 0% carbon? S3M1-78
What is the method of surface hardening? S3M1-79
Which type of key is used for transmitting high torque on both direction of rotation? S3M1-80
What is the use of ring gauge? S3M1-81
Which gauge is used to check the accuracy of an internal thread? S3M1-82
What is the name of the gauge? S3M1-83
What is the procedure to select the slip gauge for particular dimension? S3M1-84
Which process improves the quality of fit between the mating components? S3M1-85
Which abrasive is used for lapping hardened steel and cast iron? S3M1-86
Which finishing operation is performed by the tool that rotate and reciprocate simultaneously? S3M1-87
Why holes are provided in ring type lapping? S3M1-88
Which type of key has one face curvature to match shaft surface? S3M1-89
What is the name of key? S3M1-90
Which type of cutting tool is tempered by heating upto $$230^\circ C$$?
Why normalising process is carried out in steel? S3M1-92
Which heat treatment process increases the wear resistance of steel? S3M1-93
What is the purpose of annealing? S3M1-94
Why square head screws are provided with collar? S3M1-95
What is the purpose of taper plug gauges? S3M1-96
Why slots are provided in the adjustable ring lap? S3M1-97
Which abrasive has excellent cutting properties and expensive? S3M1-98
What is lapping? S3M1-99
What is the name of lap tool? S3M1-100
What is lead of multi start thread? S3M1-101
What is the type of screw? S3M1-102
What is the name of the nut? S3M1-103
What is the name of nut? S3M1-104
What is the name of tool? S3M1-105
What is the type of screw? S3M1-106
What is the file that is rectangular in section and parallel in width with one safe edge? S3M1-107
Which file has double cut on faces and single cut at edges? S3M1-108
What is the name of file? S3M1-109
What is the name of gauge? S3M1-110
What is the name of gauge? S3M1-111
What is the use of drill gauge? S3M1-112
What is marked as ‘X’? S3M1-113
What is marked as ‘X’? S3M1-114
What is the name of gauge? S3M1-115
What is the name of gauge? S3M1-116
What is the type of gauge? S3M1-117
What is the type of gauge? S3M1-118
What is marked as ‘X ‘? S3M1-119
What is the gauge? S3M1-120
What is marked as ‘X’? S3M1-121
What is the name of gauge? S3M1-122
What is the quenching media used in heat treatment to obtain faster rate of cooling? S3M1-123
What is the angle of elbows and bends that provide diversions?
What type of screws are used in the places were frequent removal and assembling? S3M1-126
What type of nuts are used in coach building work? S3M1-127
What is the name of nut having top part in cylindrical shape and bottom part in hexagonal shape? S3M1-128
Which type of machine screw used in heavy duty assembly work? S3M1-129
Which type of machine screw is used in light assembly work? S3M1-130
Which file with sharp and parallel teeth used on soft and non metallic materials? S3M1-131
Which file used as finishing tool and ensure precision smoothness? S3M1-132
What is the thickness range of BIS set of feeler gauge? S3M1-133
What is the height of slip gauge $$ (q =25^\circ = 0.4226)$$? S3M1-134
What is the instrument used for measuring internal diameter of workpiece? S3M1-135
What is the calibration grade of slip gauges? S3M1-136
What is the method of build of size using slip gauge? S3M1-138
What is the gauge used? S3M1-139
What is the purpose of ring gauge? S3M1-140
What is the range of size in individual radius gauges? S3M1-141
What is the gauge to check acceptable size on external diameter of a shaft? S3M1-142
What is the finishing process carried out with abrasive sticks to correct the profile of internal cylindrical surfaces? S3M1-143
Which lapping material used for easy charging and rapid cutting? S3M1-144
Which lap material is inexpensive and can be expanded if worn out? S3M1-145
Which type of abrasive material is externally hard and used in lapping for heavy stock removal? S3M1-146
Which abrasive is used for lapping dies and gauges? S3M1-147
Which is the hardest of all abrasive material and used for lapping tungsten carbide? S3M1-148
What is the abrasive used for lapping accurately finishing very small holes? S3M1-149
What is the purpose of lapping vehicles? S3M1-150
Which lapping vehicle is used for lapping copper and its alloys? S3M1-151
What is the purpose of lapping tool? S3M1-152
What is the temperature that change of structure to austenite starts at $$723^\circ$$ in heat treatment process? S3M1-153
What is the process if hot steel is cooled slowly the old structure is retained and it will have fine grains that makes it easily machined? S3M1-154
What is the name if hot steel cooled rapidly to form a new structure ? S3M1-155
What is the process to add cutting ability and wear resistance on steel? S3M1-156
What is the heat treatment process to remove extreme brittleness and induce toughness and shock resistance in steel? S3M1-157
What is the process of steel being heated to required temperature and held in the same temperature for a period of time? S3M1-158
What is the purpose of brine solution, water, oil and air used in heat treatment process? S3M1-159
What quenching media is used for special alloy steels? S3M1-160
What is the heat treatment process of reheating the hardened steel to a temperature below $$400^\circ C$$ followed by cooling?
What is the advantage of annealing ? S3M1-162
What is the process of removing the internal defects of steel components? S3M1-163
Which key is used for transmitting light torque? S3M1-164
How the mechanical properties of steel like strength, toughness, ductility are affected? S3M1-165
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