Vapour - Study guides, Class notes & Summaries

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...

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 ...

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). ...

Heat Exchangers, 4A Power Engineering - Units 1 – 6 Questions and Answers Rated A+ 1. 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 temperature exceeding 121 degrees Celsius (250 degrees Fahrenh...

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

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...

composition of atomosphere correct answers 78% N2, 21 % O2, trace gases fixed trace gases of the atmosphere correct answers argon, carbon dioxide, neon, helium, hydrogen, and xenon variable trace gases of the atmosphere correct answers water vapour, pollutants troposphere correct answers 0-17 km above Earth's surface, site of weather, organisms, contains most atmospheric water vapor. (temperature decreases with increasing altitude, pressure decreases) stratosphere correct answers 2n...

Sterilise - Answer-Act of making an object germ free. Sanitation - Answer-Measures carried to promote public health and prevent spread of infection. - Prevents Growth. Sanitise - Answer-To render object clean and sanitary. Asepsis/Aseptic - Answer-Condition of being free of all pathogenic bacteria. Sepsis/Septic - Answer-Condition of being infected by pathogenic bacteria. Antiseptic - Answer-Chemical agent that may destroy or retard growth of bacteria. Not as strong as disinf...

The types of tray used in distillation columns are correct answers sieve, valve and bubble-cap sieve tray correct answers A metal plate containing drilled holes through which the rising vapour can pass into the liquid flowing across the tray. valve tray correct answers Is fitted with a flapper valve which opens as vapour passes through the hole. valve tray correct answers This type is used where vapour velocity is not constant and prevent liquid from dumping through the holes at times o...

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...