Explore topic-wise MCQs in ENGINEERING SERVICES EXAMINATION (ESE).

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.