Steam pressure gauge - Study guides, Class notes & Summaries

Z-51 Written Exam Questions and Complete Solutions In a steam turbine, what is the function of a Kingsbury thrust bearing? A) Maintain first stage steam pressure. B) Compensate for coupling misalignment. C) Adjust shaft torque at start up. D) Maintain axial positioning of the rotor shaft. - Answer: D) Maintain axial positioning of the rotor shaft. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature is A) partial pressure....

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

the process by which all forms of microbial life, including spores, are destroyed is the definition of a. sanitization b. disinfection c. decontamination d. sterilization - d. sterilization In a non table top sterilizer, a gauge on the main steam line, usually located at the back of the sterilizer, tells you the steam pressure a. inside the jacket b. inside the chamber c. as steam is entering the jacket d. as steam is exitiing the chamber - a. inside the jacket which ...

For the purpose of rating boiler horsepower for an Engineers License only, how many square feet of boiler surface shall be equivalent to one boiler horsepower on a boiler? CORRECT ANSWER 10 Sq. Ft. Heating Surface What is meant by the term "Low Pressure Boiler"? CORRECT ANSWER Boilers operating at a steam or other vapor pressure of 15psig or less, or a hot water or other liquid boiler in which the pressure does not exceed 160 psig or a temperature of 250 degrees F. A person holding a cur...

if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - ANSWER 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi - ANSWER 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator - ANSWER steam turbine_________ are necessary for complete combustion - ANSWER time, temperature, mixture, and atomization

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack ...

What is the pressure at the base of a vertical foot of water? CORRECT ANSWER 0.433 psi How much should the boiler pressure increase when performing a hydrostatic test? CORRECT ANSWER 1.5 times the safety valve setting The range of a boiler steam pressure gauge. CORRECT ANSWER 1.5 to 2 times the safety valve setting Fuel oil heaters must be used when burning what? CORRECT ANSWER No. 6 fuel oil What is the maximum allowable working pressure of a low pressure steam boiler? (MAWP) CORREC...

_________ are necessary for complete combustion - time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi - 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbogenerator - steam turbine

______ draft is produced by a fan located between the boiler and the chimney - Answer induced _______ gauge glasses are used on boilers with precious exceeding 250 psi - Answer flat _______ is caused by allowing sudden extreme changes of temperature in a furnace - Answer spalling ________ boilers can operate at higher pressures than fire tube boilers - Answer water tube _________ are necessary for complete combustion - Answer time, temperature, mixture, and atomization _________ is alw...

A low Pressure steam boiler has a MAWP of _____ psi - ANSWER 15 ___ is the amount of energy equal to the evaporation of 34.5 lb of water/hr from and at a feedwater temp of 212F. - ANSWER The higher the steam pressure, the higher the ___ of the water in the boiler. - ANSWER boiling point boiler horsepower When a steam boiler is operating at 100 pounds per square inch gauge pressure (psig), the temp of the water and steam will be approx. ___F. - ANSWER 338