1. What will be the power if the PLAN for both 2-stroke and 4-stroke engine is same?
2. What is the indicator diagram?
3. What are the purpose of taking indicator diagram?
4. What are the types of indicator diagram?
5. What is indicated power? How to calculate power?
6. Steps to take indicator diagram?
7. Purpose of Power diagram, Out-of-phase diagram, Compression diagram, Light spring diagram?
8. When indicator diagram is taken?
9. What are the necessary precaution to avoid indicator malfunction?
10. What are the steps to be taken when compression pressure is low?

Automobile Engineering (Set 4)


Multiple Choice Questions


1. The acid used in automobile battery is




2. Highest useful compression ratio (HUCR) is the highest compression ratio at which the




3. A petrol engine of a car develops 125 Nm torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is




4. The air gap between the central electrode and ground (or side) electrode of a spark plug is around




5. A four cylinder engine has a capacity of 2.4 litres. The swept volume of one cylinder is




6. The positive plates of a lead acid battery has




7. In comparison with a radial tyre, one advantage of a bias ply tyre is




8. The main merit of a multi cylinder type cylinder sleeve is




9. Thinner is added to the paint in order to




10. When the battery is half (50%) charged, the specific gravity of acid in a battery is usually