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:

1. 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

2. If the gross vehicle weight of a truck is 30 t and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is__________________?

   A. 30 kg
   B. 300 kg
   C. 900 kg
   D. 1000 kg

3. The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to_________________?

   A. 2 kg/tonne
   B. 6 kg/tonne
   C. 9 kg/tonne
   D. 20 kg/tonne

4. The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is________________?

   A. 3425 kg
   B. 5515 kg
   C. 4350 kg
   D. 2975 kg

5. Rolling resistance of a wheel depends upon_____________?

   (i) Vehicle load
   (ii) Grade
   (iii) Ground
   select the correct statements?

   A. only (i) is correct
   B. (i) and (ii) are correct
   C. (i) and (iii) are correct
   D. (ii) and (iii) are correct

6. Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?

   A. Concrete
   B. Loose sand
   C. Asphalt
   D. Firm earth

7. An earth moving equipment costs Rs. 5,00,000/- and has an estimated life of 10 years and a salvage value of Rs. 50,000/-.What uniform annual amount must be set aside at the end of each of the 10 years for replacement if the interest rate is 8% per annum and if the sinking fund factor at 8% per annum interest rate for 10 years is 0.069 ?

   A. Rs. 31050
   B. Rs. 34500
   C. Rs. 37950
   D. Rs. 50000

8. The basic action involved in sheep foot rolling is_______________?

   A. Kneading
   B. Pressing
   C. Tamping
   D. Vibration

9. Preliminary project report for a road project must contain___________________?

   A. the detailed estimated cost based on detailed design
   B. the several alternatives of the project that have been considered
   C. the soil survey, traffic survey, concept design and approximate cost
   D. the contract documents for inviting tenders

10. A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be________________?

    A. Rs.1740
    B. Rs.3480
    C. Rs.5220
    D. Rs.6960