Question

If the tight and slack side tensions in a flat belt running at 1 km/min are 1500 N and 1000 N, the power transmitted is
1. 15.3 kW
2. 10 kW
3. 8.3 kW
4. None of these

Answer 1

Correct Answer - Option 3 : 8.3 kW

Concept:

Power transmitted by a belt is given by:

P = (T1 – T2) × v

where P = power transmitted through belt, T₁ = tension in the tight side, T₂ = tension in the slack side, v = velocity of belt

Calculation:

Given:

T1 = 1500 N, T₂ = 1000 N, v = 1 km/min = 16.68 m/s

Now, from the given formula we have,

P = (1500 - 1000) × 16.68 = 8340 W = 8.3 kW

P = 8.3 kW