1. The chimney draught varies with

 
 
 
 

2. An economiser is installed in a boiler primarily to

 
 
 
 

3. The equivalent evaporation is defined as

 
 
 
 

4. The theoretical indicator diagram of a simple steam engine is based upon the assumption that

 
 
 
 

5. When steam after doing work in the cylinder passes into a condenser, the engine is said to be a

 
 
 
 

6. Locomotive boiler is a

 
 
 
 

7. The actual power supplied by the engine crankshaft is called

 
 
 
 

8. Lancashire boiler is

 
 
 
 

9. The heat balance sheet for the boiler shows the

 
 
 
 

10. The diagram factor is the ratio of the

 
 
 
 

Question 1 of 10