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?

Auxiliary Boiler (Set 5)


Multiple Choice Questions


1. Why should the main steam stop valve of an auxiliary boiler be eased off its seat and then gently closed before lighting off?




2. A distorted furnace in a fire-tube auxiliary boiler may be the result of _____________.




3. Fusible plugs are installed in fire-tube boilers to ______________.




4. Which of the following conditions is responsible for the fuel oil to atomize when using a steam atomizer in an auxiliary boiler?




5. A feed pump for an auxiliary boiler might lose suction if the _______________.




6. The purpose of the programmed purge cycle on an automatically fired auxiliary boiler is to ______________.




7. After undergoing extensive repairs, an auxiliary boiler, with a maximum allowable working pressure of 10 kg/cm2, should be hydrostatically tested at a pressure of ______________.




8. When preparing to light off a cold boiler equipped with a return flow fuel oil system, the recirculating valve directs the flow of oil _____________.




9. The principal purpose of refractory and insulation installed in the firebox of an auxiliary boiler is to _____________.




10. The purpose of designing some waste heat boilers with sinuous fire tubes, is to ____________.