Q.50Ans 1. Parallel flow2. Craft flow3. Cross flow4. Turbulent flowCorrect Ans Provided: 1

Q.45 The solvent extraction process in the petroleum industry is also known as _____.Ans 1. liquid-solid extraction2. liquid-liquid extraction3. solid-solid extraction4. liquid-gas extractionCorrect Ans Provided: 2

Q.48 Fire detectors are a type of:Ans 1. recurring fire fighting systems2. resonance based fire fighting systems3. portable fire fighting systems4. fixed fire fighting systemsCorrect Ans Provided: 4

Q.47 Identify the safety valve usually used in locomotive boilers.Ans 1. String wound safety valve2. Spring loaded safety valve3. Cambered safety valve4. Cushioned safety valveCorrect Ans Provided: 2

Q.49 Due to the unique property of carbon known as ______, carbon can form bonds with other carbon atoms to form long chains.Ans 1. carbonisation2. anodisation3. colonisation4. catenationCorrect Ans Provided: 4

Q.46 Which of the following is NOT a flammable liquid?Ans 1. Ethanol2. Acetone3. Helium4. BenzeneCorrect Ans Provided: 3

Q.44Ans 1. Firemen saddle2. Firemen hook3. Firemen hammer4. Firemen swordCorrect Ans Provided: 2

Q.42Ans 1. Risk of fire2. Risk of shock3. Fire in progress4. Fire extinguisher in placeCorrect Ans Provided: 1

Q.43 Which extinguishers need to be avoided if fire is in confined spaces?Ans 1. Wet extinguishers2. Dry chemical powder based extinguishers3. Water extinguishers4. Foam extinguishersCorrect Ans Provided: 2

Q.41 The output of the combustion of fuel is characterised by ______.Ans 1. light emitted2. sound produced3. area of the flame4. calorific valueCorrect Ans Provided: 4