Q.37 Which of the following is NOT a type of portable fire fighting system?Ans 1. Salvage sheet2. Pick-head axe3. Sprinkler system4. Bolt cuttersCorrect Ans Provided: 3

Q.38 Which of the following is NOT a type of heat exchanger?Ans 1. Parallel flow heat exchanger2. Counter-flow heat exchanger3. Laminar flow heat exchanger4. Cross-flow heat exchangerCorrect Ans Provided: 3

Q.28Ans 1. Parallel flow2. Counter flow3. Turkish flow4. Cress flowCorrect Ans Provided: 2

Q.39 Which of the following is the most suitable example of a cross flow heat exchanger?Ans 1. Water running down from a hill2. Electric kettle3. Boiling of water in a vessel4. Automobile radiatorCorrect Ans Provided: 4

Q.34 On dewaxing petroleum, ______ is obtained.Ans 1. coke2. paint3. paraffin4. naphthaCorrect Ans Provided: 3

Q.30 Fired heater is often referred to as a _____ in the petroleum industry.Ans 1. furnace2. combustion chamber3. stove4. flame columnCorrect Ans Provided: 1

Q.29 Which of the following is NOT a type of fired heater used in petroleum refining?Ans 1. Cabin type2. Cylindrical vertical3. Dome type4. Box typeCorrect Ans Provided: 3

Q.32 ईंधन के ज्वलनशील होने या न होने का सीमांकन सामान्यतः इसके ______ के आधार पर किया जाता है।Ans 1. स्फुरांक (flash point)2. अधःस्रवण बिंदु (pour point)3. घनत्व (density)4. अम्ल बिंदु (sour point)Correct Ans Provided: 1

Q.35Ans 1. फ़ायर फ्लेमर (Fire flamer)2. फ़ायर बीटर (Fire beater)3. फ़ायरमेन ऐक्स (Firemen axe)4. फ़ायर फ्रायर (Fire fryer)Correct Ans Provided: 2

Q.33 The ratio of power available at the impeller to the power at the shaft in a centrifugal pump is denoted as ______.Ans 1. mechanical efficiency2. volumetric efficiency3. overall efficiency4. manometric efficiencyCorrect Ans Provided: 1