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32.

The least count of a micrometer is a value conneetion with its threads measurements, it is :
(ಗ) Pitch x No. of threads per inch
(B) 1086 x No. of threads per inch
(C) Reciprocal of its pitch
(D) Pitch + No.of divisions on the thimble

‎of a lathe bed while erecting a Lathe is checked by :‏ 161 ع1
‎(ಯ) A long rule (B) A spirit level‏
‎A steel tape (D) A dial test indicator‏ 0(

‎The ratchet stop is a part provided on micrometer for :
‏بے‎ Accurate measuring
(B) Protecting the threads from damaging
(©) Protecting the threads from over tightening
(D) All of the above

‎The distance travelled by a bolt in a nut in one complete revolution is ‏٭‎
‎(A) Pitch (B) 2x Pitch
(C) Lead (D) Lead + Pitch

‎The following is not a function of tumbler gear :
(4) Changing the direction of spindle rotation
(B} Changing the direction of lead screw rotation
(ര Connect drive from head stock to change gears
(D) Keeping neutral position when auto feed not required

‎Which work holding device must be used where taper turning by tail stock off-set method?
(A) Face plate with carrier
(B) Catch plate with carrier and ball centre
(C) Universal chuck
(D) 3-Jaw chuck with ball centre

‎A hexagonal shaped work can be hold accurately and easily ‏ده‎
‎(ಗಿ) Four jaw independent chuck
(8) Face plate
(ര) Three jaw self centering chuck
(D) None of the above

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