8) Weight of aluminum sheet (density 2.7gm/cc) of size 1 meter width, 1 meter length and 1 mm thickness is

9) What is the name of the control system of the CNC machine in which the actual position of the tool is compared with the input value?

10) A hole of Diameter 20 H7 is to be finished. What measuring device will you select to check whether the size of hole is within the limit or not?

11) Morse taper is one of the internationally accepted standard tapers. The morse taper are available in the form

12) A gear wheel has 36 teeth & 3mm module, its pitch diameter is