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3rd_TSSA_Part_B2_EXAM_COMPLETE_150+_QUESTIONS_&_CORRECT_ANSWERS., Exams of Nursing

Virginia State University (VSU)Nursing
Prof. Brenda J. Johnson

3rd_TSSA_Part_B2_EXAM_COMPLETE_150+_QUESTIONS_&_CORRECT_ANSWERS.

Typology: Exams

2024/2025

Available from 07/15/2025

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3rd TSSA Part B2 NEWEST EXAM COMPLETE 150+
QUESTIONS & CORRECT ANSWERS (100% VERIFIED)
At a power plant, a certain amount of record keeping is mandatory. This record keeping is
carried out in order to comply with the:
1. Provincial Boilers and Pressure Vessels Act and Regulations.
2. Rules of the Provincial Worker's Compensation Board.
3. ASME codes.
4. Insurance companies. - CORRECT ANSWER >>>1, 2, 4
The main application of a HRSG is: - CORRECT ANSWER >>>Generating steam using the exhaust
gas of a gas turbine as a heat source
A jacking oil pump is used to:
1. Make slight adjustments to the turbine bearing housings during overhaul to maintain
alignment.
2. Supply oil under the shaft of the bearing for a specific time.
3. Supply oil to the bearings under the shaft at all times so lubrication is assured.
4. Supply a low volume of oil at high pressure. - CORRECT ANSWER >>>2, 4
Small turbines, used to drive auxiliary equipment, are usually lubricated by: - CORRECT ANSWER
>>>Ring-oiled bearings
A simple condenser with low installation cost would be: - CORRECT ANSWER >>>Air-cooled The
lobe type compressor runs at speeds up to about _____ RPM. - CORRECT ANSWER >>>1750
Which of the following are the two broad classifications of preventive maintenance?
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Download 3rd_TSSA_Part_B2_EXAM_COMPLETE_150+_QUESTIONS_&_CORRECT_ANSWERS. and more Exams Nursing in PDF only on Docsity!

3rd TSSA Part B2 NEWEST EXAM COMPLETE 150+

QUESTIONS & CORRECT ANSWERS (100% VERIFIED)

At a power plant, a certain amount of record keeping is mandatory. This record keeping is carried out in order to comply with the:

  1. Provincial Boilers and Pressure Vessels Act and Regulations.
  2. Rules of the Provincial Worker's Compensation Board.
  3. ASME codes.
  4. Insurance companies. - CORRECT ANSWER >>> 1, 2, 4 The main application of a HRSG is: - CORRECT ANSWER >>> Generating steam using the exhaust gas of a gas turbine as a heat source A jacking oil pump is used to:
  5. Make slight adjustments to the turbine bearing housings during overhaul to maintain alignment.
  6. Supply oil under the shaft of the bearing for a specific time.
  7. Supply oil to the bearings under the shaft at all times so lubrication is assured.
  8. Supply a low volume of oil at high pressure. - CORRECT ANSWER >>> 2, 4 Small turbines, used to drive auxiliary equipment, are usually lubricated by: **- CORRECT ANSWER

** Ring-oiled bearings A simple condenser with low installation cost would be: - CORRECT ANSWER >>> Air-cooled The lobe type compressor runs at speeds up to about _____ RPM. - CORRECT ANSWER >>> 1750 Which of the following are the two broad classifications of preventive maintenance?

  1. Actual work.
  2. Paper work.
  3. Mechanical work.
  4. Temporary work. - CORRECT ANSWER >>> 2, 3 The oil filter in a diesel engine lubricating system is: - CORRECT ANSWER >>> Between the pump and oil cooler Centrifugal compressors are commonly used for: - CORRECT ANSWER >>> Large volume, lowpressure applications To ensure a tight seal, a steam turbine balance piston is fitted with _____. **- CORRECT ANSWER

** Labyrinth seals A capillary tube is mainly used on: - CORRECT ANSWER >>> Small household systems When shutting down a turbine, the first thing done is: - CORRECT ANSWER >>> Reduce the load to zero The choke in a carburetor produces a _____ mixture for cold engine starts. - CORRECT ANSWER >>> Rich air-oil In a Horizontal Rectangular Direct Fired Heater, the _____ is/are mounted on the floor of the furnace and extend along a center line from the front to the back of the furnace. **- CORRECT ** 2, 4 Small turbines, used to drive auxiliary equipment, are usually lubricated by: - CORRECT ANSWER >>> Ring-oiled bearings A simple condenser with low installation cost would be: - CORRECT ANSWER >>> Air-cooled The lobe type compressor runs at speeds up to about _____ RPM. - CORRECT ANSWER >>> 1750 Which of the following are the two broad classifications of preventive maintenance? 1. Actual work. 2. Paper work. 3. Mechanical work. 4. Temporary work. - CORRECT ANSWER >>> 2, 3 The oil filter in a diesel engine lubricating system is: - CORRECT ANSWER >>> Between the pump and oil cooler Centrifugal compressors are commonly used for: - CORRECT ANSWER >>> Large volume, lowpressure applications To ensure a tight seal, a steam turbine balance piston is fitted with _____. - CORRECT ANSWER >>> Labyrinth seals A capillary tube is mainly used on: - CORRECT ANSWER >>> Small household systems When shutting down a turbine, the first thing done is: - CORRECT ANSWER >>> Reduce the load to zero The choke in a carburetor produces a _____ mixture for cold engine starts. - CORRECT ANSWER >>> Rich air-oil In a Horizontal Rectangular Direct Fired Heater, the _____ is/are mounted on the floor of the furnace and extend along a center line from the front to the back of the furnace. - CORRECT ANSWER >>> Burners When lighting a fired heater, the step immediately following purging of the furnace is: - CORRECT ANSWER >>> Energizing the electric igniter

  1. The working fluid is clean
  2. The working fluid must support combustion
  3. Low grade fuels may be used - CORRECT ANSWER >>> 1, 2, 4. To allow for reasonable separation in an oil/water separation pond, which is a component of an industrial wastewater treatment plant, the separator should have sufficient capacity to hold the average flow for: - CORRECT ANSWER >>> 2 to 4 days. A barring gear consists of an electric motor and several sets of reducing gears to turn the turbine shaft at a low speed. It is used:
  4. After stopping a hot turbine to prevent "hogging"
  5. Only on small turbine
  6. Continually when the turbine is not operating
  7. For several hours prior to startup - CORRECT ANSWER >>> 1, 4 An aerobic material is one that has: - CORRECT ANSWER >>> Dissolved oxygen. Environmental management program involves protection of the environment and _____ awareness. - CORRECT ANSWER >>> Public In a single can combustor the interconnected tubes decreases the: **- CORRECT ANSWER

** Pressure differences in each tube When disc rotors are assembled, the discs are heated until they are easily slid along the shaft and then located in the correct position on the shaft and shaft key. A small clearance between the discs prevents: - CORRECT ANSWER >>> Thermal stress in the shaft When charging ammonia systems, frost on the drum bottom indicates: **- CORRECT ANSWER ** Refrigerant drum is empty or very nearly empty

The high-side float is usually installed on the: - CORRECT ANSWER >>> Liquid receiver or may act as a float chamber itself Parts inventory control falls under which classification of preventive maintenance: - CORRECT ANSWER >>> Paper work. In a multi stage, reciprocating compressor the highest, pressure stages may be: - CORRECT ANSWER >>> Single acting It is advisable that _____ is fitted between the aftercooler and air receiver. **- CORRECT ANSWER

** A moisture separator A gas turbine starting device - CORRECT ANSWER >>> is necessary for all gas turbines Air compressor intercoolers and after coolers may be: - CORRECT ANSWER >>> Water or air cooled The air bypassing the combustors of a gas turbine: - CORRECT ANSWER >>> Serves as cooling air The Operations log book in a power plant is: - CORRECT ANSWER >>> A legal document In a dual shaft gas turbine arrangement - CORRECT ANSWER >>> The load turbine is down stream from the compressor turbine The purpose of the rocker arms in an IC engine is to operate the: - CORRECT ANSWER >>> Intake and exhaust valves

  1. Charts. - CORRECT ANSWER >>> 1, 3, 5 Heavy metals in fuel oil ____________________________ gas turbine blades. - CORRECT ANSWER >>> accelerate the corrosion of A natural gas fired gas turbine would likely require natural gas pressurized to - CORRECT ANSWER >>> - CORRECT ANSWER >>> 4000 kPa The thermostatic expansion valve controls refrigerant flow by: - CORRECT ANSWER >>> A temperature sensor at the evaporator outlet In a rotary lobe compressor one lobe is directly driven by the driving mechanism while the other lobe is driven by: - CORRECT ANSWER >>> Means of timing gears The purpose of the carburetor is to:
    1. Mix the fuel and air
    2. Atomize the fuel
    3. Heat the mixture of fuel and air
    4. Control the amount of air-fuel mixture to the engine
    5. Produce a vacuum to draw fuel into the engine - CORRECT ANSWER >>> 1, 2, 4 There are _____ basic elements common to most compression refrigeration systems. - CORRECT ANSWER >>> 5

If a turbine is shut down and left at a standstill while still hot, the lower half of the rotor will cool faster than the upper half. The rotor will "hog", which means it will ___________. - CORRECT ANSWER >>> Bend upwards Cylinder liners in diesel engines are usually constructed of: - CORRECT ANSWER >>> Cast iron Refrigeration oils are usually: - CORRECT ANSWER >>> Mineral oils with low pour point and high viscosity Reciprocating compressors have several disadvantages as compared to other positive displacement compressors, such as:

  1. They cannot be made multi staged
  2. They give pulsating discharge
  3. They require internal lubrication
  4. They have many moving parts
  5. They are usually low speed - CORRECT ANSWER >>> 2, 3, 4 The advantages of a combined-cycle cogeneration plant as compared to a conventional, steam generating plant:
  6. Higher production of electrical energy
  7. Higher thermal efficiency
  8. Lower emissions to atmosphere
  9. Lower fuel consumption - CORRECT ANSWER >>> 1, 2, 3, 4 Thrust bearings on a dual shaft gas turbine will be positioned at the: **- CORRECT ANSWER

** Front end of the compressor and next to the power turbine bearings (one on each shaft)

  1. Provide hydraulic fluid for bearing lubrication
  2. Inject steam to clean the ducts and housing
  3. Provide anti-icing - CORRECT ANSWER >>> 1, 2, 5 Vibration accelerometers are used on gas turbines: - CORRECT ANSWER >>> With anti-friction bearings _____ on centrifugal air compressors are provided in order to control the amount of air flowing to the impeller and thus control the capacity of the unit. - CORRECT ANSWER >>> Adjustable inlet vanes An air receiver is a pressure vessel which is used:
  4. As a reservoir
  5. To dampen pulsation of reciprocating compressor
  6. To allow moisture and oil particles to settle out from the air - CORRECT ANSWER >>> 1, 2, 3 Before charging a new refrigeration installation: - CORRECT ANSWER >>> The entire refrigerant containing system must be completely filled with water and hydrostatically tested The purpose of a thrust bearing on a large reaction steam turbine is to:
  7. Absorb radial thrust on the shaft.
  8. Keep the rotor in an exact position in the casing.
  9. Prevent any steam from escaping.
  10. Absorb any axial thrust on the rotor.
  11. Support the dummy piston. - CORRECT ANSWER >>> 2, 4 Diesel engines frequently employ extra cooling for the pistons by:
  1. Circulating oil through passages in the piston
  2. Spraying water on the underside of the piston
  3. Increasing the water flow in the cylinder water jackets
  4. Decreasing the temperature of the cooling water - CORRECT ANSWER >>> 1 Gas Turbines are rated by: - CORRECT ANSWER >>> Power produced at the output shaft In a mechanical vapor compression system the compressor's function is to: **- CORRECT ANSWER

** Establish two pressure levels A rotating trash screen used in a wastewater treatment plant is also called a: - CORRECT ANSWER >>> Comminuter. The gas turbine system is ideal: - CORRECT ANSWER >>> To be used for unmanned and remote locations When starting an extraction turbine, sealing steam to the turbine glands is admitted _____ is put in operation - CORRECT ANSWER >>> After the extraction pump The purpose of the refrigeration expansion valve is to: - CORRECT ANSWER >>> Regulate the flow of refrigerant to the evaporator A condenser shell may be fitted with an expansion joint if the: **- CORRECT ANSWER ** Condenser tubes are expanded into the tube sheets The water side of a high pressure feedwater heater is exposed to the discharge pressure of the _____ pump. - CORRECT ANSWER >>> Boiler feedwater

When a two-cylinder, reciprocating compressor has two stages, the compressor displacement is calculated by calculating the volume swept by: - CORRECT ANSWER >>> The first stage piston Which of the below are true of the Fixed Tube Sheet shell and tube exchanger?

  1. Has a tube pattern that can fill the shell
  2. Has tube sheets welded to the shell
  3. Tube sheets can extend past the shell for bolting up
  4. The design allows for differences in thermal expansion between the shell and tube bundle 5. Allows brush cleaning - CORRECT ANSWER >>> 1, 2, 3, 5 A Eutectic salt solution used as a heat transfer medium in an indirect heater is a mixture of: - CORRECT ANSWER >>> Sodium nitrite and potassium nitrate Pressure relief devices may be: - CORRECT ANSWER >>> Relief valves, fusible plugs or rupture members The compressor on a gas turbine: - CORRECT ANSWER >>> Is driven by the load turbine High discharge pressure of a refrigeration system could indicate: - CORRECT ANSWER >>> Not sufficient condenser cooling The production of nitrous oxides leads to: - CORRECT ANSWER >>> Acid rain Besides reducing gas turbine NOx emissions, water injection also **- CORRECT ANSWER

** increases gas turbine power output The pressure at the discharge of a supercharger may be as high as: - CORRECT ANSWER >>> 140 kPa

How much of the energy provided by the fuel, is absorbed by the compressor: - CORRECT ANSWER >>> Up to 2/ In an impulse steam turbine nozzle the following events take place:

  1. Steam pressure decreases.
  2. Enthalpy of the steam decreases.
  3. Velocity of the steam increases.
  4. Volume of the steam increases. - CORRECT ANSWER >>> 1, 2, 3, 4 In axial flow compressors, compression occurs: - CORRECT ANSWER >>> In both stationary and rotating blades In a centrifugal compressor, the amount of velocity to pressure conversion through the impeller is a function of the: - CORRECT ANSWER >>> Degree of curvature of the impeller blades Positive displacement compressor types include:
  5. Sliding vane
  6. Axial flow
  7. Internal gear
  8. Volute casing
  9. Rotary screw
  10. Multi lobe - CORRECT ANSWER >>> 1, 3, 5, 6 The advantages of using a reheater in a gas turbine cycle are:
  11. More air can be compressed
  12. A small combustor may be used

The low-side float valve is controlled by: - CORRECT ANSWER >>> A float connected to/or in the evaporator Reheat is accomplished in a gas turbine by: - CORRECT ANSWER >>> Heating the gases between the HP and LP turbine Air flow to each individual burner for a fired heater is controlled by a/an: **- CORRECT ANSWER

** Air register How does air enter a condenser?

  1. Air pumps
  2. Gland leaks
  3. Carried in with steam
  4. Leaky flanges - CORRECT ANSWER >>> 2, 3, 4 The upper pH limit for wastewater is: - CORRECT ANSWER >>> 8. The operating principles of the diesel engine include:
  5. The charge drawn into the cylinder is air only.
  6. The fuel is injected at the beginning of the compression stroke.
  7. Ignition is due to the high temperature resulting from the compression of air.
  8. The fuel is injected at high pressure at the end of the compression stroke.
  9. The fuel is injected into the engine cylinder when temperature is lowest. **- CORRECT ANSWER

** 1, 3, 4 During start up of a steam turbine the thrust block is pushed against a stop in the direction of the exhaust for: - CORRECT ANSWER >>> Maximum blade clearance

In an indirect fired heater the fluid flowing in the process tubes is heated by the: - CORRECT ANSWER >>> Intermediate fluid that is heated by the fire tube Large volume combustors are used when: - CORRECT ANSWER >>> A regenerator is being used Single stage rotary screw compressors will develop discharge pressures to about 700 kPa gauge, for pressures above this _____ designs are used. - CORRECT ANSWER >>> Multi stage Most modern refrigeration systems make use of the principle of absorbing heat by: - CORRECT ANSWER >>> The evaporation of a liquid, and then discarding the heat to the atmosphere Gas turbine lubricating oil systems provide the basic functions of:

  1. Lubricating sliding surfaces in the bearings
  2. Sealing out dirt and moisture
  3. Cooling the bearings
  4. Sealing the gas passages - CORRECT ANSWER >>> 1, 3 Refrigeration systems are purged to: - CORRECT ANSWER >>> Rid the system of noncondensable gases A topping turbine is a special application of a _____ turbine: **- CORRECT ANSWER

** Backpressure The condenser extraction pump suction operates at pressures: - CORRECT ANSWER >>> Near absolute zero

CORRECT ANSWER >>> a reduction in NOx production The advantage of mechanical-hydraulic governors is: - CORRECT ANSWER >>> Mechanical losses are greatly reduced A back-pressure turbine with exhaust steam going to an old boiler header that is supplying steam to an old lower pressure turbine is called a: - CORRECT ANSWER >>> Topping turbine When high-pressure air is used to start an internal combustion engine, the air is applied to the: - CORRECT ANSWER >>> Cylinders In axial air compressors the pressure rise per stage is _____ therefore, for high pressures _____ stages are required.

  1. Low
  2. High
  3. Single
  4. Multi - CORRECT ANSWER >>> 1, 4 Gas turbine fuel oil is treated in order to: - CORRECT ANSWER >>> remove vanadium, sodium, and potassium In the distributor system for the injection of fuel into a diesel cylinder: **- CORRECT ANSWER

** Two pumps are used Wells that are used to monitor the ground water quality are sometimes called: - CORRECT ANSWER >>> Piezometer wells ** 1, 3 Refrigeration systems are purged to: - CORRECT ANSWER >>> Rid the system of noncondensable gases A topping turbine is a special application of a _____ turbine: - CORRECT ANSWER >>> Backpressure The condenser extraction pump suction operates at pressures: - CORRECT ANSWER >>> Near absolute zero CORRECT ANSWER >>> a reduction in NOx production The advantage of mechanical-hydraulic governors is: - CORRECT ANSWER >>> Mechanical losses are greatly reduced A back-pressure turbine with exhaust steam going to an old boiler header that is supplying steam to an old lower pressure turbine is called a: - CORRECT ANSWER >>> Topping turbine When high-pressure air is used to start an internal combustion engine, the air is applied to the: - CORRECT ANSWER >>> Cylinders In axial air compressors the pressure rise per stage is _____ therefore, for high pressures _____ stages are required. 1. Low 2. High 3. Single 4. Multi - CORRECT ANSWER >>> 1, 4 Gas turbine fuel oil is treated in order to: - CORRECT ANSWER >>> remove vanadium, sodium, and potassium In the distributor system for the injection of fuel into a diesel cylinder: - CORRECT ANSWER >>> Two pumps are used Wells that are used to monitor the ground water quality are sometimes called: - CORRECT ANSWER >>> Piezometer wells Back pressure and extraction turbines uses _____ in connection with _____:

  1. A pressure sensitive governor.
  2. Throttle governing.
  3. A speed sensitive governor.
  4. By-pass governing - CORRECT ANSWER >>> 1, 3 A gas turbine operates with an outside air temperature of 40 degrees Celsius, and a relative humidity of 10%. If the outside air temperature was - 5 degrees Celsius with a relative humidity of 65%, this gas turbine - CORRECT ANSWER >>> will develop more power Two-stroke diesel engines: - CORRECT ANSWER >>> Have difficulty removing exhaust gas from the cylinder The cross-over valves on a compressor are used when: - CORRECT ANSWER >>> Pumping out the condenser Surging of dynamic air compressors can produce severe shock to the system and may be violent enough to damage the: - CORRECT ANSWER >>> Impellor or piping Control of a gas turbine is accomplished by: - CORRECT ANSWER >>> Varying the fuel flow The warm-up time required of a turbine is dependant on: - CORRECT ANSWER >>> The size of the turbine A high condensate level in a condenser: - CORRECT ANSWER >>> Could cause noncondensable gases to accumulate in the condenser The main reason why plants provide its employee with procedures to operate a piece of equipment is to: - CORRECT ANSWER >>> Attempt to eliminate the risk of accident or incident.