Select the taper of a standard taper pin. 

Explanation:

Taper pins:

• Taper pins of different types are used in assembly work.
• The diameter of taper pins is specified by the small diameter.
• Taper pins help in assembling and dismantling of components without disturbing the location.
• Taper pins allow for frequent dismantling and assembling of components without disturbing the precise nature of location.
• They are used to transmit small torques.
• All taper pins have a taper of 1:50 and are finished within a dimensional tolerance of h10.
• The standard taper pin has a taper of 1:50 which means that for every 50 mm in length the diameter increases by 1 mm.

Taper pins are of three types:

1. Type A Taper pins with a surface finish of N6.
2. Type B Taper pins with a surface finish of N7.
3. Type C Split taper pins with a surface finish of N7.