Question

Define multiple units and give two examples
answer must be in 30 or 40 words
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Answer 1

Answer:

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Answer 2

Answer:

Multiple units (MU) are self-propelled train carriages capable of coupling with other units of the same or similar type and still being controlled from one driving cab. Single self-propelling carriages (also called railcars, rail motor coaches or railbuses) are multiple units if capable of operating with other units.To represent the longer distance we use km (kilometre) , hm (hectometre) , and dam(decametre). These are called the multiples of Metre.The Metric System of Measurements uses the mass units: gram (g), kilogram (kg) and tonne (t).

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