ASSEMBLY - Practice Mode

1) Which method of surface hardening is done in a heated salt bath?

Flame hardening Gas carburising Pack carburising Liquid carburising

Correct Answer: Liquid carburising

2) Which key has rectangular cross section is fit into keyway cut on both shaft and hub?

Sunk key Feather key Flat saddle key Hollow saddle key

Correct Answer: Sunk key

3) Which key is useful for fitting on tapered shafts?

Feather key Gib head key Woodruff key Flat saddle key

Correct Answer: Woodruff key

4) Where is circular taper key used?

Light duty transmission Bi-directional rotation Lengthy shaft Tapered shaft

Correct Answer: Light duty transmission

5) How the plain bearings are kept in a position without allowing them to rotate along with the shaft?

By clamps By bolt and nut By key or screws By locking device

Correct Answer: By key or screws

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