A four wheel trac*or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be___________________?

Related Mcqs:

A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will________________?

A. reduce by 200 kg B. increase by 200 kg C. increase by 250 kg D. reduce by 250 kg...

In resources levelling________________?

A. total duration of project is reduced B. total duration of project is increased C. uniform demand of resources is achieved D. cost of project is controlled...

A contractor has two options : Invest his money in project A or (II) : Invest his money in project B. If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he______________?

A. should invest in neither of the two projects B. could invest in either of the two projects C. should invest in project A D. should invest in project B...

Which of the following earth moving machines has the shortest cycle time?

A. Drag line B. Hoe C. Clam shell D. Dipper shovel...

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively___________________?

A. 3.5 and 5/6 B. 5 and 25/36 C. 3.5 and 25/36 D. 4 and 5/6...