Lubricating oils - Study guides, Class notes & Summaries

Class K rated portable fire extinguishers work because of: A. Cooling B. Smothering C. Saponification D. Chemical flame inhibition - C. Saponification Fires involving lubricating oils and liquefied petroleum gas (LPG) are classified as A. Class A B. Class B C. Class C D. Class D - B. Class B For which classification of fire do portable extinguisher ratings take into account the reactions between the metal and the agent? A. Class A B. Class B C. Class C D. Class D - D. Class D For...

ABSA 4B Exam Questions and Answers 100% Pass Which of the following pump designs has a spiral casing with an increasing cross sectional area? 1. rotary pump 2. rotary gear pump 3. rotary lobe pump 4. reciprocating pump 5. volute pump - Answer- 5. volute pump A clear line of sight to the flame is required by a(n): 1. Flame scanner 2. Thermopile 3. Flame rod 4. Thermocouple 5. All of the above - Answer- 1. Flame scanner A ____ is installed to start a large diesel engine. 1. electric...

ABSA 4B EXAM QUIZ BANK | 1566 QUESTIONS | WITH ALL CORRECT SOLUTIONS. Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers e The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. acidic neutral softer ba...

ABSA 4B Exam Questions with 100% Correct Answers 2024/2025 Which of the following pump designs has a spiral casing with an increasing cross sectional area? 1. rotary pump 2. rotary gear pump 3. rotary lobe pump 4. reciprocating pump 5. volute pump - answer5. volute pump A clear line of sight to the flame is required by a(n): 1. Flame scanner 2. Thermopile 3. Flame rod 4. Thermocouple 5. All of the above - answer1. Flame scanner A ____ is installed to start a large diesel engine. 1...

What are the 4 types of lubricants? - Lubricating oils Hydraulic fluids Grease Solid lubricants What does 2190TEP stand for? - 2190 turbine, extreme pressure. What is 2190 used for? - MRGs, LPAC, HPAC, Line shaft, CRP, GTGs. What is 2190 comprised of? - High viscosity, anti-wear, antioxidant, antifoaming, and anticorrosion additive. The Society of Automotive Engineers has established how many grades of viscosity? How many are winter grade? - 11 grades of viscosity 6 winter grades 4 ...

BECC MOD 2How long are engineering legal records retained on board for? - correct answer 3 Years How long are operating logs retained on board for? - correct answer 6 Months What is the record where all speed changes for each individual shaft are recorded? - correct answer Bell Log What is the log that provides the day to day record of events pertaining to the engineering plant? - correct answer Engineering Log (T/F) Erasure are allowed on logs? - correct answer False Which report...

ABSA 4B Exam Questions with 100% Correct Answers 2024/2025 Which of the following pump designs has a spiral casing with an increasing cross sectional area? 1. rotary pump 2. rotary gear pump 3. rotary lobe pump 4. reciprocating pump 5. volute pump - answer5. volute pump A clear line of sight to the flame is required by a(n): 1. Flame scanner 2. Thermopile 3. Flame rod 4. Thermocouple 5. All of the above - answer1. Flame scanner A ____ is installed to start a large diesel engine. 1...

Propane Butane Ethane Methane All of the above -Answer-e Although ____ is created, high viscosity oils are still preferred for low speed/high load systems. lower floc point oils lower oil friction high pour point oils high velocity oils higher oil friction -Answer-e Every shift the boiler water should be ____. filled with dissolved solids tested condensed replaced evaporated -Answer-b Sodium sulphite is a commonly used ____ in boilers. oxygen scavenger carbon dioxide scavenger...

CIBTAC AND CIDESCO EXAMS CONDENSED QUESTIONS AND ANSWERS GUARANTEED A+ IMMUNITY - Protection against certain diseases - Inborn or acquired - Natural: exposure, forms antibodies to fight off and prevent reinfection - Artificial: Deliberate vaccination, antibodies formed, immunity built up TOXIN - Poison of complex chemical substances Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:05 / 0:15 Full screen PUS - Contains bl...