Gas turbines - Study guides, Class notes & Summaries

The primary means of generating electricity in today's modern utility systems are: A. Steam and hydroelectric B. Hydro-electric and gas turbines C. gas turbines and diesel engines Correct Answer A A special type of hydroelectric plant that utilizes 2 reservoirs and involves returning water from the lower reservoir to be ran through the turbines again is known as a: A. hydro storage B. pumped fission C. pumped storage Correct Answer C The electricity produced at the generating plants...

Millwright Level 4 Turbines Exam Questions With Verified Answers 2024/2025 Carbon rings are used to seal the steam within the casing of steam turbines. why is this method effective on impulse type steam turbines? A. low casing pressure B. minimal maintenance C. high shaft surface speeds D. corrosion resistance A. low casing pressure Transpiration is a process of using __________ to cool the turbine blades A. super heated steam B. a watery steam vapor C. a refrigerant D. a water glyc...

Millwright Level 4 Turbines Exam Questions With Verified Answers 2024/2025 Carbon rings are used to seal the steam within the casing of steam turbines. why is this method effective on impulse type steam turbines? A. low casing pressure B. minimal maintenance C. high shaft surface speeds D. corrosion resistance A. low casing pressure Transpiration is a process of using __________ to cool the turbine blades A. super heated steam B. a watery steam vapor C. a refrigerant D. a water glyc...

Millwright Period 4 Exam Results Questions With Verified Answers Graded A+ Engine Block Rejection Most common reason: cracks after cleaning and inspection. Steam Turbine Class Rated up to 700 psig and 399°C: class 3 turbine. Gas Turbine Seals Used on compressor and turbine: labyrinth seals. Electronic Overspeed Trips Typically used on turbines above 10,000 rpm. Zener Diode Excess Voltage On low-tension magneto: shorted to ground. Pickling of Steel Piping Process:...

steam Steam turbines are driven by the pressure of high-velocity_____________ discharged at a high pressure and temperature against the turbine vanes. multistage A(n) __________ turbine is used as driver for high-differential pressure and high horsepower applications. governor A ___________ is used to control the speed of the turbine as steam is channeled through the restrictive component called a nozzle. combustion chamber Provides a place for the fuel and air to be mixed and then burn...

ABSA 4B EXAM QUESTIONS AND ANSWERS 100% PASS Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring - Answer- b Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers - Answer- e The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. acidic neutral softer basic alkaline...

Above how much compressed air pressure does a person need a permit? - Precise Answer 100 lbs per square inch (psi) Name four different types of air compressors - Precise Answer Reciprocating, centrifugal, rotary, and solar What is the most common form of air compressor? - Precise Answer Reciprocating air compressor What can air compressors be powered by? - Precise Answer Electric motors, internal combustion engines, or steam turbines Why is it dangerous to work with an air compressor...

ABSA 4B EXAM Questions with Correct Answers Internal ____ is not required for dynamic type compressors. seals lubrication pressure monitoring corrosion monitoring temperature monitoring - answerb Low pressure or high pressure are the two primary classifications of ____. centrifugal pumps sump pumps boilers draft fans pressure controllers - answere The boiler feedwater becomes increasingly ____ as it approaches the measurement of zero. acidic neutral softer basic alkaline - ans...

becc mod 9/10 complete set latest update with verified solutions what term identifies the sequence of combustion events that takes place in the cylinder of the engine? cycles how many strokes does a piston make in a four stroke diesel engine? four how many revolutions does the crankshaft make for each complete cycle in a four stroke diesel engine? two what component supports the engines cylinder liners, cylinder heads, and crankshaft cylinder block what is attached to the cran...

What are 2 basic forms of energy ? - Answer-Heat energy, mechanical energy What are the 2 types of reciprocating compressors? - Answer-Piston and diaphragm What is viscosity? - Answer-A fluids resistance to flow. What are the 4 types of drivers - Answer--Steam Turbines -Gas Fired Turbines -Electric Motors -Gasoline and Diesel Engines What is temperature? - Answer-A measurement in degrees of how hot or cold something is. How are compressors rated? - Answer--Discharge Pressure- (...