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________________?

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. A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels : 25000 kg Scraper wheels : 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is_______________?

   A. 10000 kg
   B. 12500 kg
   C. 22500 kg
   D. 5000 kg

3. 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___________________?

   A. 20 kg/tonne
   B. 30 kg/tonne
   C. 40 kg/tonne
   D. 50 kg/tonne

4. 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

5. A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be________________?

   A. 3.7 years
   B. 4.23 years
   C. 5 years
   D. 7.87 years

6. 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

7. 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

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

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

9. 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

10. The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted, and pneumatic tyremounted machines would be respectively_________________?

    A. 80 and 90
    B. 90 and 80
    C. 85 and 75
    D. 75 and 83