Few Important Questions on Gear Manufacturing :

Q1- Gear lapping
(a) An operation after heat treatment 
(b) An operation prior to heat treatment
(c) An independent operation for gear reconditioning
(d) None of the above

Q2- Gear cutting on a milling machine using an involute profile cutter is a
(a) Gear forming process
(b) Gear generating process.
(c) Gear shaping process

(d) Highly accurate gear producing process.
Q3- Which one of the following processes of gear manufacture results in best accuracy of the involute gear tooth profile?
(a) Milling
(b) Hobbing
(c) Rotary gear shaper

(d) Rack type gear shaper
Q4- By which one of the following machines the teeth of an internal spur gear can be cut accurately?
(a) Milling machine
(b) Slotting machine
(c) Hobbing machine
(d) Gear-shaping machine

Q5- In gear hobbing
(a) Only hob rotates
(b) Only gear blank rotates
(c) Both hob and gear blank rotate
(d) Neither hob nor gear blank rotates

Q6- Internal gear cutting operation can be performed by
(a) Milling
(b) Shaping with rack cutter
(c) Shaping with pinion cutter
(d) Hobbing

Q7- Which of the following cannot be cut by hobbing process?
(a) Helical gears (b) Bevel gears
(c) Worm gears (d) Spur gears

Q8- Gear burnishing process for
(a) Removing residual stresses from teeth roots
(b) Surface finishing
(c) Under-cut gears
(d) Cycloidal gears

Q9- Which one of the following is not a feature of gear hobbing process?
(a) High rate of production
(b) Generation of helical gears
(c) Very accurate tooth profile
(d) Generation of internal gears