Vapour - Study guides, Class notes & Summaries

I Biological and non-biological substances both need oxygen for their existence. II The human body consists only of biological substances. I is correct and II is incorrect Characteristics of life include: growth and metabolism Examples of synthetic substances are: plastics and silicones Examples of organic biological substances are: carbohydrates and fats Examples of mineral substances are: paraffins and petroleum Matter is everything that: occupies space and has weight The ...

PE 4th Part A ABSA Test Bank Questions With Complete Solutions Graded To Pass!! Introduction to Power Engineering Introduction to Power Engineering Which of the following is not a definition of a power plant? a) Any one or more boilers in which steam or other vapour is generated at more than 103 kPa (15 psi). b) Any one or more boilers containing liquid and having a working pressure exceeding 1100 kPa (160 psi). c) Any one or more boilers containing liquid and having a working temperatur...

IAI Latent Print Certification Test Questions with Verified Solutions What sequence of latent print development techniques are used to develop prints from porous materials? DFO, Ninhydrin, Physical Developer The final purple coloured compound usually produced with the treatment of Ninhydrin Ruhemann's Purple What latent print development technique is used to process nonporous materials that are wet? Small Particle Reagent A dye which stains protein present in blood to give a blu...

ABSA 4th Part B Chapter 1 Introduction to Power Engineering In the early days, owners of power plants hired _____ workers, who started out doing manual labour and through acquired experience they were promoted to jobs with gradually increasing levels of skill. a. Qualified b. Highly educated c. Trained d. Unskilled e. College trained. d Early government involvement in certification of power engineers became more important for the following reasons except: a. Efficiency b. L...

ABSA 4th Part B Chapter 1 Introduction to Power Engineering In the early days, owners of power plants hired _____ workers, who started out doing manual labour and through acquired experience they were promoted to jobs with gradually increasing levels of skill. a. Qualified b. Highly educated c. Trained d. Unskilled e. College trained. d Early government involvement in certification of power engineers became more important for the following reasons except: a. Efficiency b. L...

Ultimate 4th Class Part A Power Engineering Study Guide with Complete Solutions 2024/2025 Which of the following is not a definition of a power plant? - Correct Answer Any one or more boilers in which steam or other vapour is generated at less than 57 kPa (8 psi). Early government involvement in certification of power engineers became more important for the following reasons except: - Correct Answer pollution Which of the following is not characteristic of increased automation in power...

PE 4th Part A ABSA Test Bank Questions and Answe a) Any one or more boilers in which steam or other vapour is generated at more than 103 kPa (15 psi). b) Any one or more boilers containing liquid and having a working pressure exceeding 1100 kPa (160 psi). c) Any one or more boilers containing liquid and having a working temperature exceeding 121 degrees Celsius (250 degrees Fahrenheit). d) Any one or more boilers in which steam or other vapour is generated at less than 57 kPa (8 psi). ...

B An operator should check that a boiler safety valve will open at its set pressure by a) sending for the inspector to bring his or her test gauge b) increasing the boiler pressure until the valve opens and noting the pressure on the pressure gauge when the valve opened c) putting a piece of pipe over the lifting lever and lifting the valve off its seat when the seat pressure is reached d) connecting the boiler to an air compressor during shut down and raising the pressure in the boil...

Potable water  Any two from: Distillation  Water evaporated/boiled  (Water vapour) then condensed  OR Any two from: Membrane filtration  Salty water forced through membrane at high pressure  Water molecules pass but dissolved salts don’t  To kill micro-organisms/bacteria  Toxic / poisonous 

Sopeec Test bank 4A - Power Engineering Questions and Answers Already Passed Which of the following is not a definition of a power plant? a) Any one or more boilers in which steam or other vapour is generated at more then 103kpa (15psi) b) Any one or more boilers containing liquid and having working pressure exceeding 1100kpa(160psi) c)Any one or more boilers containing liquid and having a working temperature exceeding 121 degrees celsius (250 F) d) Any one or more boilers ...