RACK SPUR GEAR MILLING BORING - Practice Mode

1) Which part of a gear tooth vernier caliper is used to set the addendum height?

Vertical slide with blade Horizontal slide with movable jaw Verical slide and fixed jaw Graduated vertical beam and fixed jaw

Correct Answer: Vertical slide with blade

2) How to find the out side diameter of a spur gear having number of teeth is 'Z' and module 'm'?

OD = Z/m OD = (Z-2) / m OD = (Z - 2)m OD = (Z + 2)m

Correct Answer: OD = (Z + 2)m

3) What formula is applied for calculate the pitch diameter of a spur gear tooth?

Z x m (Z + 2) m Z x m/2 7/6 x m

Correct Answer: Z x m

4) How many hole circle is suitable for indexing 48 division in index plate?

18 20 23 29

Correct Answer: 18

5) Which formula is used to find the gear ratio for differential indexing?

( N x 40) x A (A-N) x 40/A 2A x 40/A (A - N) x 40A

Correct Answer: (A-N) x 40/A

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