Question: The following type of carburettor is preferred_______________?

• 1. concentric type
• 2. eccentric type
• 3. horizontal type
• 4. vertical type

Question: The theoretically correct mixture of air and petrol is approximately ________________?

• 1. 0.334027778
• 2. 0.500694444
• 3. 0.625694444
• 4. 0.834027778

Question: Carburretion is done to________________?

• 1. feed petrol into cylinder
• 2. govern the engine
• 3. break up and mix the petrol with air
• 4. heat up the charge to cylinder

Question: With increase in engine speed, the ignition of spark in petrol engine has to be __________________?

• 1. Unaltered
• 2. Increased
• 3. Decreased
• 4. Advanced

Question: Pick up false statement?

• 1. For petrol and large gas engines, quantity governingds preferred
• 2. In quantity governing, air fuel ratio is almost constant and quantity of charge is changed depending on load
• 3. In hit and miss governing, fuel supply is completely cut off during one or more number of cycles
• 4. In quality governing, quantity of fuel is varied to suit the load and total charge of air is varied

Question: Diesel Cycle is also known as : __________?

• 1. Constant temperature cycle
• 2. Constant Volume cycle
• 3. Constant Pressure Cycle
• 4. All of above

Question: The natural solid fuels are : ________?

• 1. Wood
• 2. Peat
• 3. Lignite
• 4. All of above

Question: The average calorific value of wood is about : __________?

• 1. 33500 kj/kg
• 2. 25000 kj/kg
• 3. 23000 kj/kg
• 4. 19700 kj/kg

Question: Which of the following solid fuel has high caloric value : ___________?

• 1. Wood
• 2. Peat
• 3. Bituminous coal
• 4. Anthracite coal

Question: Which of the following solid fuel has high carbon content?

• 1. Coke
• 2. Coal
• 3. Peat
• 4. None of these