141) the depth micro metre is used for the measurement of a wide range of size because..
A) IT HAS A NUMBER OF EXTENSION ROADS FOR THE DIFFERENT RANGE OF SIZES
142) start how many types of center drills are there and how they classified ?
A) 3 TYPES , THERE ARE TYPE A , TYPE B AND TYPE C
143) which type of drilling machine used for drill holes on walls
A) ELECTRIC HAND DRILL( heavy duty)
144) what are the two purpose for which taper plug gauges are used?
A) TWO CHECK THE SIZE HOLE AND THE ACCURACY OF TAPER
145) what care is to be taken will positioning the tool rust of grinding machine
A) PROVIDE A MINIMUM GAPE BETWEEN WHEEL AND TOOL REST
146) what will be the normal clearance of angle of a cutting tool for machining a flat surface?
A) 6 TO 8 DEGREES
147) how the power saw blades are specified? ACCORDING TO LENGTH , WIDTH, THICKNESS AND PITCH
148) the last count of a vernier metric micrometer is...
A) 0.001MM
149) name of the angle given in the front of the leading edge of cutting tool
A) RAKE ANGLE
150) what is the main use of counter saw?
A) CUTTING METALS TO DIFFERENT PROFILES
151) how many inches are there in a add
A) 36 INCHES
152) what is the co lour of lead ?
A) BLUISH GRAY CO LOUR
153) the size based on which the dimensional deviations are given is called
A) BASIC SIZE
154) what are the two types of cylindrical plug gauges
A) DOUBLE ENDED PLUG GAUGE, PROGRESSIVE PLUG GAUGE
155) formation of a chip while cutting is based on the
A) RAKE ANGLE OF THE TOOL
156) name product which is refined from pig iron using pudding process?
A) WROUGHT IRON
157) by what name the metals in which iron as a major counted called?
A) FERROUS METAL
158) telescopic gauges are used to measure holes and slots....
A) FROM 12.7 MM TO 152.4 MM
159) a service petroleum pipe line flag is to be drilled which machine would you choose out of the fallowing
A) PNEUMATIC HAND DRILLING MACHINE
160) small hole gauges are used to measure holes and slots
A) BELOW 12.7 MM
FITTER BITS DAY (09)
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