This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Combustion Calculation”. 1. Which of the following law is not used in combustion calculation? a) The law of conservation of mass b) The law of definite proportion c) The law of multiple proportion d) The law of conservation of energy 2. Which … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Efficiency of Combustion”. 1. Which of the following is the correct condition for the efficient combustion of coal? a) Coal should be of high calorific value b) Intimate mixing of air with the combustible matter c) The ignition temperature should be high … Read more
This set of Engineering Chemistry Puzzles focuses on “Numerical Problems Based on Combustion and Fuel Gas Analysis”. 1. How many moles of sulphur are present in 100gm of sulphur di oxide? If the reaction is as follows. S + O2 → SO2 a) 2 b) 3.6725 c) 6.25 d) 1.5625 2. What is density of … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Petrochemicals”. 1. What does the word petrochemicals signify? a) Chemicals based on coal b) Chemicals based on rocks c) Chemicals based on atmospheric conditions d) Chemicals based on fertility 2. Which of the following raw material obtained from petroleum can be in … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Gaseous Fuels – 2”. 1. Which of the following undesirable component is removed from natural gas? a) NO2 b) SO2 c) N2 d) SO3 2. Which of the following product can be recovered from natural gas? a) Phosphorous b) Magnesium c) Boron … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Gaseous Fuels – 1”. 1. Which of the following is a disadvantage of gaseous fuel? a) Gaseous fuels are very difficult to operate b) Gaseous fuels are highly inflammable c) Gaseous fuels cannot be ignited instantly d) They produce lot of smoke … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Octane and Cetane Number”. 1. Which of the following compound is considered for calculating the octane number? a) n-heptane b) n-hexane c) iso-octane d) iso-butane 2. Which of the following compound readily goes under the process of knocking? a) 2-ethly butane b) … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Anti Knocking Agents – 2”. 1. Why is cresyl diphenyl phosphate added with petrol? a) To increase the inductance period of the engine b) To decrease the electrical conductivity of lead compounds c) To increase the electrical conductivity of lead compounds d) … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Anti Knocking Agents – 1”. 1. How can we increase the octane rating of gasoline? a) By addition of fuel of low anti-knock value b) By addition of fuel of high anti-knock value c) By adding a product of high cetane rating … Read more
This set of Engineering Chemistry Multiple Choice Questions & Answers (MCQs) focuses on “Knocking”. 1. Which compound of fuel is oxidised in the process of knocking? a) Coke b) Gasoline c) Hydrocarbon d) Compounds containing sulphur 2. On what factor does the rate of oxidation of a hydrocarbon molecule depend? a) On the calorific value … Read more
