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This section includes 317 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
1. |
A 400 MW nuclear power station would produce a equivalent radium of |
A. | 100 tons daily |
B. | 1000 tons daily |
C. | 500 tons daily |
D. | 10 tons daily |
Answer» B. 1000 tons daily | |
2. |
Which is the main source of nuclear radiations? |
A. | nuclear power plant |
B. | sunlight |
C. | atmospheric air |
D. | volcanoes |
Answer» B. sunlight | |
3. |
Who made the famous “Atoms for Peace” speech? |
A. | abraham lincoln |
B. | jawaharlal nehru |
C. | dwight d eisenhower |
D. | parker chewier |
Answer» D. parker chewier | |
4. |
The mass number of an element is not changed, when it emits radiations. |
A. | α & γ |
B. | α, β, & γ |
C. | α & β |
D. | β & γ |
Answer» E. | |
5. |
5 FUEL AND ASH HANDLING |
A. | coal ash produced destroys the machinery by entering into them |
B. | coal ash produced annually accounts for thousands of tones |
C. | coal ash can be reutilized for some other purpose |
D. | coal ash affects the health of people working at plants |
Answer» C. coal ash can be reutilized for some other purpose | |
6. |
What is the advantage of having smaller ratio of water to steam space? |
A. | steam can be generated at a faster even if the boiler is cold |
B. | increases the rate of evaporation |
C. | water is made cyclic, i.e., from boiler drum to water tube and back to drum |
D. | helps in mobilizing the boiler |
Answer» B. increases the rate of evaporation | |
7. |
Which type of boilers use orifice to control the flow circulation? |
A. | natural circulation boilers |
B. | forced convection boilers |
C. | once-through boilers |
D. | positive forced circulation boilers |
Answer» C. once-through boilers | |
8. |
Earth’s outer layer rock is called as |
A. | mantle |
B. | crust |
C. | outer core |
D. | asthenosphere |
Answer» C. outer core | |
9. |
A geothermal solution containing appreciable amounts of sodium chloride or other salts is called as |
A. | fluids |
B. | brine |
C. | solvent |
D. | magma |
Answer» C. solvent | |
10. |
Load duration curve indicates |
A. | the variation of load during different hours of the day |
B. | total number of units generated for the given demand |
C. | total energy consumed by the load |
D. | the number of hours for which the particular load lasts during a day |
Answer» E. | |
11. |
The load factor is |
A. | always less than unity |
B. | less than or greater than 1 |
C. | always greater than 1 |
D. | less than zero |
Answer» B. less than or greater than 1 | |
12. |
All of the nuclear fuel reserve will be ended in about 400 years. |
A. | true |
B. | false |
Answer» C. | |
13. |
6 DRAUGHT SYSTEM |
A. | Δp = gh(ρa-ρg) |
B. | Δp = gh(ρg-ρa) |
C. | Δp = ghρg |
D. | Δp = gh(ρa+ρg) |
Answer» B. Δp = gh(ρg-ρa) | |
14. |
In a back pressure turbine |
A. | pressure at the exhaust from the turbine is the saturation pressure corresponding to the temperature desired in the process |
B. | pressure at the entrance of the turbine is the saturation pressure corresponding to the temperature desired in the process |
C. | pressure at the exhaust from the turbine is the saturation pressure corresponding to the pressure desired in the process |
D. | none of the mentioned |
Answer» B. pressure at the entrance of the turbine is the saturation pressure corresponding to the temperature desired in the process | |
15. |
With respect to the load centre which location is suitable for stablishment of nuclear power plant? |
A. | load centre |
B. | near load centre but at reasonable distance |
C. | far away from load centre |
D. | near chemical industries |
Answer» C. far away from load centre | |
16. |
Using Helium gas in GCFBR has many advantages. |
A. | true |
B. | false |
Answer» B. false | |
17. |
Can vacated coal mines be used for waste disposal. |
A. | true |
B. | false |
Answer» B. false | |
18. |
The best capable alternative source which can meet the future energy demand is |
A. | thermal power plant |
B. | nuclear power plant |
C. | hydroelectric power plant |
D. | geothermal power plant |
Answer» C. hydroelectric power plant | |
19. |
Stirling boiler is an example of which type of boiler? |
A. | inclined tube boilers |
B. | mobile boiler |
C. | fire tube boiler |
D. | water tube boiler |
Answer» E. | |
20. |
In practice what is the value of diversity factor? |
A. | less than unity |
B. | geater than unity |
C. | equal to or greater than unity |
D. | less than zero |
Answer» C. equal to or greater than unity | |
21. |
The maximum steam temperature in a |
A. | 600 |
B. | 500 |
C. | 300 |
D. | 100 |
Answer» B. 500 | |
22. |
Large amount of coal is transported by |
A. | railway |
B. | sea or river ways |
C. | road transportation |
D. | by airlifting |
Answer» B. sea or river ways | |
23. |
Which medium is used to carry ash in hydraulic system? |
A. | air |
B. | water |
C. | steam |
D. | conveyor |
Answer» C. steam | |
24. |
Tailings forms are the residues from |
A. | uranium |
B. | thorium |
C. | cadmium |
D. | boron |
Answer» B. thorium | |
25. |
Which of the given boilers operate above critical pressure? |
A. | natural circulation boilers |
B. | forced circulation boilers |
C. | once-through boilers |
D. | water tube boilers |
Answer» D. water tube boilers | |
26. |
What is the air standard cycle for a Gas- Turbine called? |
A. | reheat cycle |
B. | rankine cycle |
C. | brayton cycle |
D. | diesel cycle |
Answer» D. diesel cycle | |
27. |
The hole on earth’s surface from where the steam from the earth comes out is called as |
A. | gash |
B. | mud pot |
C. | void |
D. | fumarole |
Answer» E. | |
28. |
What would be the amount of distance that a low pressure system could carry the ash? |
A. | 25m |
B. | 500m |
C. | 150m |
D. | 800m |
Answer» C. 150m | |
29. |
Size and cost of installation depends upon |
A. | average load |
B. | maximum demand |
C. | square mean load |
D. | square of peak load |
Answer» C. square mean load | |
30. |
Nuclear fuel in reactor lasts for |
A. | more than 5 months |
B. | few weeks |
C. | few days |
D. | more than 5 years |
Answer» E. | |
31. |
Penstock in a hydroelectric power plant is |
A. | a pipe connected to runner outlet |
B. | nozzle that release high pressure water on turbine blades |
C. | a conduit connecting forebay to scroll case of turbine |
D. | a pipe connecting surge tank to dam |
Answer» D. a pipe connecting surge tank to dam | |
32. |
Trash racks are built for |
A. | discharging the water freely from the turbine exit to tailrace |
B. | preventing the turbine from ingress of floating and other materials |
C. | creating artificial head to store sufficient potential energy of water |
D. | controlling the opening of valves |
Answer» C. creating artificial head to store sufficient potential energy of water | |
33. |
What is the critical point of steam generation in a “once through” boiler? |
A. | 221.5 bar |
B. | 221.4 bar |
C. | 221.3 bar |
D. | 221.2 bar |
Answer» E. | |
34. |
Approximately how many percentage of electricity produced by nuclear power in the world? |
A. | 10 |
B. | 14 |
C. | 17 |
D. | 20 |
Answer» D. 20 | |
35. |
Are boilers defined on the basis of heat source. |
A. | yes |
B. | no |
Answer» B. no | |
36. |
What is the main purpose of nuclear energy? |
A. | to kill the enemy nation |
B. | to waste the excessive energy |
C. | to use it as an alternate source of energy |
D. | to cause mutation for people who are working |
Answer» D. to cause mutation for people who are working | |
37. |
The area under the load curve represents |
A. | the average load on power system |
B. | maximum demand |
C. | number of units generated |
D. | load factor |
Answer» D. load factor | |
38. |
PWR stands for |
A. | power |
B. | partially weathered rock |
C. | pressurized water reactor |
D. | packaging waste regulations |
Answer» D. packaging waste regulations | |
39. |
The coal is fed to the furnace through |
A. | conveyor belt |
B. | wagon tipper |
C. | hopper |
D. | crane |
Answer» D. crane | |
40. |
What is the function of booms? |
A. | it supports the dam |
B. | it supports the penstock |
C. | it divert the icebergs from flowing into the penstock |
D. | to hold the turbine structure |
Answer» B. it supports the penstock | |
41. |
Mechanical method of water treatment is done to |
A. | heat the feed water |
B. | to remove solid matter and impurities |
C. | to add some solid materials |
D. | to remove dissolved gases |
Answer» C. to add some solid materials | |
42. |
Rankine cycle efficiency of a good Steam |
A. | 15 to 20% |
B. | 35 to 45% |
C. | 70 to 80% |
D. | 90 to 95% |
Answer» C. 70 to 80% | |
43. |
CANDU stands for |
A. | canadian natural darmstadtium uranium |
B. | canadian natural deuterium uranium |
C. | canadian natural dubnium uranium |
D. | canadian natural dysprosium uranium |
Answer» C. canadian natural dubnium uranium | |
44. |
Which type of boilers are called drum-less boilers? |
A. | natural circulation boilers |
B. | fire tube boilers |
C. | positive forced circulation boiler |
D. | forced circulation boiler |
Answer» D. forced circulation boiler | |
45. |
What is the capacity of low pressure hydraulic ash handling system? |
A. | 80 tonnes/hour |
B. | 22 tonnes/hour |
C. | 50 tonnes/hour |
D. | 10 tonnes/hour |
Answer» D. 10 tonnes/hour | |
46. |
In economics of nuclear power plant taxes and insurance charges are taken as |
A. | operating cost |
B. | maintenance cost |
C. | capital cost |
D. | fixed cost |
Answer» E. | |
47. |
LLW stands for |
A. | low level water |
B. | low laser width |
C. | low level waste |
D. | loss of levels in water |
Answer» D. loss of levels in water | |
48. |
Trash racks are located |
A. | near tailrace |
B. | at the entrance of turbine |
C. | inside penstock |
D. | intake |
Answer» E. | |
49. |
Moderate liquid nuclear wastes are disposed into |
A. | deep pits |
B. | buried underground |
C. | left into rivers |
D. | left into deep oceans |
Answer» B. buried underground | |
50. |
LWR stands for |
A. | lower water reactor |
B. | line water reactor |
C. | liquefied water reactor |
D. | light water reactor |
Answer» E. | |