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Which of the following is CORRECT for the speed ratio of a gear train?
By BYJU'S Exam Prep
Updated on: September 25th, 2023
- Speed of driver/speed of driven
- Speed of driven/speed of driver
- Number of teeth on driver/number of teeth on driven
- None of these
The speed of the driver/speed of driving is CORRECT for the speed ratio of a gear train. The speed ratio (also known as velocity ratio) of a gear train is the proportion of the driver’s speed to that of the driver or follower.
Speed ratio = ωdriver/ωdriven = ω1/ω2 = N1/N2 = T2/T1 = 1/Train Value
Train ratio = ωdriven/ωdriver
Speed:
The distance traveled in relation to the time it took to travel that distance is how speed is defined.
The formula of Speed –
s = d/t
Where,
- s is the speed in m.s-1
- d is the distance traveled in m
- t is the time taken in s
Types of Speed
There are four different forms of speed.
- A moving object is considered to be moving at a consistent speed when it travels the same distance in the same amount of time.
- When an object travels a different distance at regular intervals, it is said to be moving at a variable pace.
- Average speed is the average speed determined by the ratio of the total distance travelled by an object to the entire amount of time it took to travel that distance.
- Instantaneous speed: The speed of an object at any given moment when it is travelling at a variable speed is referred to as the object’s instantaneous speed.
Summary:
Which of the following is CORRECT for the speed ratio of a gear train? (a)Speed of driver/speed of driven (b)Speed of driven/speed of driver (c)Number of teeth on driver/number of teeth on driven (d)None of these
The correct speed ratio for a gear train is the speed of the driver/speed of the driven. Speed is the distance which is travelled by an object based on time. The unit of speed is m/s and can be found using the formula s = d/t.