Belt, rope and chain drives are called rigid drives
Option 1
true
Option 2
belt is a flexible drive
Option 3
B
all three are flexible drives
Option 4
all three are P,I.V. Drives
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Answer:
Belt Drive
Explanation:
The flexible power transmission elements comprises of belt drives, chain drives and rope drives. Since these elements are flexible they are called flexible drives. When compared with rigid transmission elements, they are quiet and absorbs shocks which reduces mechanical vibrations.
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