# Q.Creep in belt drive is due to

• AMaterial of the pulley
• BMaterial of the belt
• CLarger size of the driver pulley
• DUneven extensions and contractions due to varying tension
Correct Answer : (D)

Uneven extensions and contractions due to varying tension

Hints :

Creep in belt drive is due to Uneven extensions and contractions due to varying tension.

The lower pairs are _________ pairs

For an involute gear, the ratio of base circle radius and pitch circle radius is equal to