44) Which of the following formulae is correct to find the helix angle of screw thread?
Answer is:
Tan Theta = (Lead)/(Pie x Pitch Diameter)
Related KPSC ITI JTO Turner Question Papers - 2018 with Answer Key
Answer is:
Revolving centre
Explanation:
Revolving Centres are Frictionless. Used for supporting heavy jobs and jobs revolving with high speeds. A high-speed steel inserted centre is supported by two bearings housed in a body. It is also called the revolving dead centre.
![Which type of lathe centres having more life compared to other centres?](https://mcqfinder.in/uploads/images/question-papers/kpsc-iti-jto-turner-2018/kpsc-iti-jto-turner-2018-id-45-e.jpg)
Answer is:
Longer level lead for the cutting edge
![How does a hand reamer differ from a machine reamer?](https://mcqfinder.in/uploads/images/question-papers/kpsc-iti-jto-turner-2018/kpsc-iti-jto-turner-2018-id-46-e.jpg)
Answer is:
more than that required throughout the length
Answer is:
free movement of the blade
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