MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Farm Machinery knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the temperature dropping in the radiator of a tractor when the flow rate of water is 0.16 litre per second per KW? |
| A. | 8.5°C to 5.5 °C |
| B. | 11°C to 10 °C |
| C. | 20°C to 15 °C |
| D. | 12.75 °C to 9.79°C |
| Answer» B. 11°C to 10 °C | |
| 2. |
A capillary tube has a diameter of 3 mm and 100 mm length. A head of 10 cm of oil above the inlet of the capillary maintains a pressure difference across the capillary. The specific gravity of oil is 0.92. A volume of 300 cm3 of oil passes through the in 10s. What will be the viscosity of oil? |
| A. | 5.68 * 10-4 poise |
| B. | 5.98 * 10-4 poise |
| C. | 5.68 * 10-5 poise |
| D. | 5.98 * 10-5 poise |
| Answer» C. 5.68 * 10-5 poise | |
| 3. |
What is the maximum permissible V-belt sag? |
| A. | 15 mm |
| B. | 20 mm |
| C. | 10 mm |
| D. | 18 mm |
| Answer» B. 20 mm | |
| 4. |
What amount of washing soda and kerosene oil should be added in water to make a solution to clean the cooling system? |
| A. | 2 kg water and 0.5 kg kerosene oil |
| B. | 2.5 kg water and 1.5 kg kerosene oil |
| C. | 1 kg water and 0.5 kg kerosene oil |
| D. | 1.5 kg water and 2.5 kg kerosene oil |
| Answer» D. 1.5 kg water and 2.5 kg kerosene oil | |
| 5. |
What is the formula for Newton’s law of cooling? |
| A. | \(\frac{dθ}{dt}\) = KA (θ-θ0) |
| B. | \(\frac{dθ}{dt}\) = KA (θ+θ0) |
| C. | \(\frac{dθ}{dt}\) = KA (θ*θ0)f) \(\frac{dθ}{dt}\) = KA (θ/θ0) |
| Answer» B. \(\frac{dθ}{dt}\) = KA (θ+θ0) | |
| 6. |
Which of the following is not a method of water cooling? |
| A. | Open jacket or hopper method |
| B. | Open flame method |
| C. | Thermosiphon method |
| D. | Forced circulation method |
| Answer» C. Thermosiphon method | |
| 7. |
What are the different temperatures at which thermostats fully opens for petrol and diesel engine respectively? |
| A. | 106°C;120°C |
| B. | 89°C;98°C |
| C. | 82°C;90°C |
| D. | 100°C;102°C |
| Answer» D. 100°C;102°C | |
| 8. |
What is the range of best operating rating temperature of I.C. engine? |
| A. | 106°F – 120°F |
| B. | 140°F – 200°F |
| C. | 106°F – 200°F |
| D. | 120°F – 140°F |
| Answer» C. 106°F – 200°F | |