Superheated steam - Study guides, Class notes & Summaries

MA 2nd CLASS FIREMAN’S PRACTICE EXAM 106 QUESTIONS WITH VERIFIED ANSWERS GRADED A+ 2024/2025 At 0 PSIG, how many BTU are necessary to change 1 lb of water at 212 degrees Fahrenheit into 1 lb of steam? a) 144 b) 180 c) 970 d) 1,190 Correct Answer: c) 970 What is required to raise the temperature of 1 lb of water from 32 degrees to 212 degrees Fahrenheit? a) 144 Btu b) 180 Btu c) 970.3 Btu d) Saturated heat Correct Answer: b) 180 Btu Increasing the pressure has what effect on ...

Stationary Engineer License Exam Prep Questions And Answers 100% Solved A ______ fuse is necessary for a circuit with a load of 21,000 watts and a voltage of 220 volts. A. 100 B. 150 C. 175 D. 200 A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps At 0 psig, how many BTU's are required to change 1 lb of water at 212F to steam? A. 144 B. 180 C. 970 D. 1190 C. 970 BTU Radiation is: A. the movement of liquids or gases created by a temperature difference. ...

Stationary Engineer License Exam Prep - Complete Solutions (Answered) The pressure sensitive device attached to a fan housing is called a a. pressuretrol b. aquastat c. thermostat d. vaporstat Draft is measured in a) ounces per square inch b) inches of water c) inches of mercury d) pounds per square inch Which of the following is used to measure temperature? a. fyrite analyzer b. vaporstat c. orsat analyzer d. pyrometer The main stop valve is located on the a) oil supply line b) condensate bre...

4th Class Power Engineering Unit A11: Introduction to Boiler Designs Already Passed This type of boiler is more tolerant of Class 1 water treatment, because they are more resistant to corrosion: Select one: a. coil type b. fire tube c. cast iron d. water tube c One disadvantage of a firetube boiler is: Select one: a. higher maintenance costs than watertube boilers b. slow response to load changes c. require very high quality feedwater d. slow to bring up to operating pre...

3rd class stationary steam engineer license prep Questions and Answers 100% Pass _________ are necessary for complete combustion - Correct Answer ️️ -time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - Correct 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 - Correct Answer ️️ -12 an oil cooler is commonly used with ...

_________ are necessary for complete combustion - correct answer time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - correct 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 - correct answer 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator - correct answer steam turbine a b...

Stationary Engineer License Exam Prep Questions And Answers 100% Solved A ______ fuse is necessary for a circuit with a load of 21,000 watts and a voltage of 220 volts. A. 100 B. 150 C. 175 D. 200 A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps At 0 psig, how many BTU's are required to change 1 lb of water at 212F to steam? A. 144 B. 180 C. 970 D. 1190 C. 970 BTU Radiation is: A. the movement of liquids or gases created by a temperature difference. ...

Ohio stationary steam engineer Exam Questions and Answers 100% Pass Combustion efficiency may be increased by_____ the primary air - Correct Answer ️️ -Preheating What is the purpose of cinder reinjection? - Correct Answer ️️ -increase efficiency 2 forces of equal intensity acting in opposite directions is? - Correct Answer ️️ -tension What is true about the dew poimt of flue gasses - Correct Answer ️️ -dew point is the temp at which the gasses will condense What will not...

Boiler Operators Exam Correctly Solved At 0 pounds per square inch (psi), how many Btu are necessary to change 1 lb of water at 212 degree Fahrenheit into 1 lb of STEAM - 970 Btu What is Radiation? - A form of heat transfer by waves What is Superheated steam? - Steam at 100 psi and at 400 Fahrenheit Heat quantity that can be felt or measured by a thermometer - Sensible Heat Temperature required to raise 1 lb of water from 32 degree Fahrenheit to 212 degree Fahrenheit - 180 Btu ...

First Class Steam Licenseif the boiler is generating 20,000 lb/hr of steam, it must be supplied with ________ lb/hr of feedwater - correct answer 20,000 from the deaerator, oxygen and other noncondensable gases are separated from the feedwater and directed to the atmosphere _________ - correct answer through the vent a(n) ___________ system is a system of measuring instruments and controllers that work together to control a process - correct answer controll one pound of water is needed ...