TURNER SEMESTER II ITI QUESTION

Buttress threads are most commonly used for.................
a) Transmission of motion
b) Resisting force exerted in one direction only
c) Positioning of mechanical parts
d) Special bolts & units in structural work

The least count of Vernier height gauge is........................
a) 0.01 mm
b) 0.02 mm
c) 0.05 mm
d) 0.10 mm

Which one of the following abbreviations is used to specify an ACME thread .............
a)M16
b)Rd20Xl/8"     
c)s48X8
d)Tr60X9

The reason for NOT providing the rake angle on a form tool used to produce taper on a work
piece is..................
a) To reduce grinding time of the tool
b) Taper angle is not affected by re sharpening
c) To reduce wastage of tool material
d) For the tool to have large wedge angle

One of the precision instruments used to check the dimensional accuracy of an external "V" thread is a screw thread micrometer, which one of the following elements of screw thread is checked with this instrument ...........
a) Major diameter   
b) Minor diameter 
c) Pitch d) Pitch diameter