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Which of the following is a positive drive
  • a)
    Belt drive
  • b)
    Gear Drive
  • c)
    Chain drive
  • d)
    Rope Drive
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Which of the following is a positive drivea)Belt driveb)Gear Drivec)Ch...
Positive drive means movement without slip such as the case in the linking between the crankshaft an the camshaft in the reciprocating engine. Negative drive, is an unusual term, allows slippage as with belt drive.
Gears are said to be 'POSITIVE DRIVE" because there is no slippage between the input and output.
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Most Upvoted Answer
Which of the following is a positive drivea)Belt driveb)Gear Drivec)Ch...
Positive Drive: Gear Drive

A positive drive is a type of power transmission system that ensures the efficient transfer of power between the driver and driven shafts. It provides a non-slip, non-slip power transfer that eliminates any possibility of slippage or loss of power between the two shafts. There are several types of positive drives, including belt drives, gear drives, chain drives, and rope drives.

Gear Drive:
A gear drive is a positive drive system that uses a set of gears to transfer power from one shaft to another. It consists of one or more gears that mesh with each other to transmit torque and power. The gear drive is one of the most efficient types of positive drives, as it provides a high level of torque transfer and is not affected by any external factors such as temperature, humidity, or dirt.

Advantages of Gear Drive:

1. High Efficiency: Gear drives are highly efficient, with 98-99% of the input power being transferred to the output shaft.

2. High Torque: Gear drives can transmit high torque, making them ideal for heavy-duty applications.

3. Accurate Speed Control: Gear drives provide accurate speed control, making them ideal for precision applications.

4. Low Maintenance: Gear drives require minimal maintenance, resulting in lower maintenance costs and downtime.

5. Long Life: Gear drives have a long life and can last for many years without requiring any major repairs or replacements.

Conclusion:
In conclusion, the gear drive is a positive drive that provides several advantages over other types of positive drives. It offers high efficiency, high torque, accurate speed control, low maintenance, and a long life, making it an ideal choice for many applications.
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Which of the following is a positive drivea)Belt driveb)Gear Drivec)Chain drived)Rope DriveCorrect answer is option 'B'. Can you explain this answer?
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