I have here some of the most frequently appearing types of "elements" on the subject of power and industrial plant engineering. Answers will be provided after a week.
These questions were based on previous board examination and was reworded and modified but it carries the same thought as the actual questions.
Instruction: Choose the BEST answer.
1. The measure of how effective a boiler is in transferring heat from furnace to the water and steam.
A. Coefficient of heat transfer
B. Boiler conductivity
C. Boiler efficiency
D. Furnace efficiency
2. A heat exchanger used to remove dissolved air in water?
a. Condenser
b. Deaerator
c. Reheater
d. Boiler
3. A state of water where the quantity of steam and liquid water is indistinguishable.
a. Critical point
b. Absolute zero
c. Boiling point
d. Freezing point
4. A power plant that harness energy from the difference in temperature between the depths of the ocean.
a. OTEC
b. Geothermal plant
c. Hydroelectric plant
d. Wave power plant
5. The most efficient thermal cycle.
a. Rankine cycle
b. Otto Cycle
c. Diesel Cycle
d. Carnot Cycle
6. A steam power plant that take a portion steam from turbine stages and use them to heat the water prior to its entry to the boiler.
a. Reheat steam power plant
b. Regenerative power plant
c. Rankine cycle power plant
d. Dual Cycle power palnt
7. The amount of heat needed to raise one gram of water by 1 degree Celcius.
a. British Thermal Unit (BTU)
b. Therm
c. Calorie
d. Joules
8. What isotope of Uranium is capable of atomic fission and therefore can be used as a fuel in nuclear power plants.
a. U-238
b. U-239
c. U-235
d. U-236
9. A hypothetical body capable emitting all its energy by radiation.
a. Brown body
b. Gray body
c. White Body
d. Black body
10. When the stack of the furnace emits a black smoke, it indicates that...
a. The fuel used is black
b. The amount of air used in burning the fuel is not enough
c. The amount of air used is excessive
d. There’s no presence of air
11. The difference between the steam temperature and its boiling temperature at a given pressure.
a. Degree superheat
b. Delta temperature
c. Heat differential
d. Critical difference
12. The percentage of steam in a liquid water-steam mixture system is often referred to as.
a. Quantity
b. Quality
c. Moisture
d. Vapor quantity
13. What do you call a water on its liquid form when it’s temperature is below its saturation temperature at given pressure.
a. Compressed liquid
b. Superheated steam
c. Subcooled liquid
d. Supercooled liquid
14. In a PV chart, what is the area below the process curve?
a. Work steady flow
b. Work non-flow
c. Heat applied
d. Internal energy
15. It is measure of the amount of matter present in a body and contains the Avogadro’s number of particles.
a. kilogram
b. mass
c. enthalpy
d. Mole
16. The amount of energy used to change the temperature of a body.
a. Sensible heat
b. Latent heat
c. Heat of liberation
d. Calorific value
17. An instrument used to determine the heating value of a fuels.
a. Calorimeter
b. Flue gas analyzer
c. Indicator chart
d. Bomb calorimeter
18. The work produced by the turbine is a…
a. Non-flow work
b. Flow work
c. Brake work
d. Work steady flow
19. The process occurring in heat exchangers are ideally…
a. Isothermal
b. Isometric
c. Isobaric
d. Adiabatic
20. The entropy- enthalpy diagram of water is also known as…
a. Mollier chart
b. Rankine chart
c. Carnot chart
d. Indicator chart
These questions were based on previous board examination and was reworded and modified but it carries the same thought as the actual questions.
Instruction: Choose the BEST answer.
1. The measure of how effective a boiler is in transferring heat from furnace to the water and steam.
A. Coefficient of heat transfer
B. Boiler conductivity
C. Boiler efficiency
D. Furnace efficiency
2. A heat exchanger used to remove dissolved air in water?
a. Condenser
b. Deaerator
c. Reheater
d. Boiler
3. A state of water where the quantity of steam and liquid water is indistinguishable.
a. Critical point
b. Absolute zero
c. Boiling point
d. Freezing point
4. A power plant that harness energy from the difference in temperature between the depths of the ocean.
a. OTEC
b. Geothermal plant
c. Hydroelectric plant
d. Wave power plant
5. The most efficient thermal cycle.
a. Rankine cycle
b. Otto Cycle
c. Diesel Cycle
d. Carnot Cycle
6. A steam power plant that take a portion steam from turbine stages and use them to heat the water prior to its entry to the boiler.
a. Reheat steam power plant
b. Regenerative power plant
c. Rankine cycle power plant
d. Dual Cycle power palnt
7. The amount of heat needed to raise one gram of water by 1 degree Celcius.
a. British Thermal Unit (BTU)
b. Therm
c. Calorie
d. Joules
8. What isotope of Uranium is capable of atomic fission and therefore can be used as a fuel in nuclear power plants.
a. U-238
b. U-239
c. U-235
d. U-236
9. A hypothetical body capable emitting all its energy by radiation.
a. Brown body
b. Gray body
c. White Body
d. Black body
10. When the stack of the furnace emits a black smoke, it indicates that...
a. The fuel used is black
b. The amount of air used in burning the fuel is not enough
c. The amount of air used is excessive
d. There’s no presence of air
11. The difference between the steam temperature and its boiling temperature at a given pressure.
a. Degree superheat
b. Delta temperature
c. Heat differential
d. Critical difference
12. The percentage of steam in a liquid water-steam mixture system is often referred to as.
a. Quantity
b. Quality
c. Moisture
d. Vapor quantity
13. What do you call a water on its liquid form when it’s temperature is below its saturation temperature at given pressure.
a. Compressed liquid
b. Superheated steam
c. Subcooled liquid
d. Supercooled liquid
14. In a PV chart, what is the area below the process curve?
a. Work steady flow
b. Work non-flow
c. Heat applied
d. Internal energy
15. It is measure of the amount of matter present in a body and contains the Avogadro’s number of particles.
a. kilogram
b. mass
c. enthalpy
d. Mole
16. The amount of energy used to change the temperature of a body.
a. Sensible heat
b. Latent heat
c. Heat of liberation
d. Calorific value
17. An instrument used to determine the heating value of a fuels.
a. Calorimeter
b. Flue gas analyzer
c. Indicator chart
d. Bomb calorimeter
18. The work produced by the turbine is a…
a. Non-flow work
b. Flow work
c. Brake work
d. Work steady flow
19. The process occurring in heat exchangers are ideally…
a. Isothermal
b. Isometric
c. Isobaric
d. Adiabatic
20. The entropy- enthalpy diagram of water is also known as…
a. Mollier chart
b. Rankine chart
c. Carnot chart
d. Indicator chart
Thank you! this is such a great help!
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