KPSC ITI JTO Turner Question Papers

KPSC ITI JTO Turner Question Papers - 2018 with Answer Key

41) A grinding wheel is marked "51C60M6S23". Here the S indicates

Answer is:

bond type

42) Which one of the following time taken is correct to turn a job on lathe machine having length 350 mm, feed 0.05 mm/rev, spindle speed 350 RPM and number of cuts is 1?

Answer is:

20 minutes

43) Standard wheel marking is given as 'A16P5V" on grinding wheel. Where 'A' represents

Answer is:

type of abrasive

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)

45) Which type of lathe centres having more life compared to other centres?

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.