Deck 8: Terminology and Applications of Nuclear Power and Geothermal Energy

Question 1

PWR stands for                  

A)power
B)partially weathered rock
C)pressurized water reactor
D)packaging waste regulations

Answer 1

pressurized water reactor

Question 2

Select the incorrect statement which supports PWR.

A)water is used as coolant
B)pwr is stable in operation
C)uses natural fuel
D)pwr has positive power demand coefficient

Answer 2

uses natural fuel

Question 3

LWR stands for                    

A)lower water reactor
B)line water reactor
C)liquefied water reactor
D)light water reactor

Answer 3

light water reactor

Question 4

In which of the Following reactor is heavy hydrogen isotope H-2 is used as moderator?

A)boiling water reactor
B)pressurized water reactor
C)candu reactor
D)thermal reactor

Question 5

CANDU stands for ______    

A)canadian natural darmstadtium uranium
B)canadian natural deuterium uranium
C)canadian natural dubnium uranium
D)canadian natural dysprosium uranium

Question 6

GCFBR stands for ______    

A)gas conditioned fast breeder reactor
B)gas cooled fast breeder reactor
C)gas conditioned fast boiling reactor.
D)gas cooled fast breeder reactor.

Question 7

The mass number of an element is not changed, when it emits ______ radiations.

A)? & ?
B)?, ?, & ?
C)? & ?
D)? & ?

Question 8

Which is the most commonly used molten metal for cooling of nuclear reactors?

A)zinc
B)sulphur
C)sodium
D)manganese

Question 9

Fast breeder reactors do not ______

A)use molten sodium as coolant
B)use fast neutrons for fission
C)use th-232 as fissile fuel
D)convert fertile material to fissile material

Question 10

A boiling water reactor is the one, in which the ______

A)pressurised water is pumped into the core.
B)coolant water, after being heated in the reactor core, generates steam in a boiler
C)fuel and the coolant are thoroughly mixed to form a homogeneous solution
D)coolant water is allowed to boil in the core of the reactor

Question 11

Thermal shield is used in high powered nuclear reactors to ______

A)absorb the fast neutrons
B)protect the walls of the reactor from radiation damage
C)slow down the secondary neutrons
D)protect the fuel element from coming in contact with the coolant

Question 12

Where was the first use of nuclear bombs which cause death to the millions of lives?

A)karachi
B)melbourne and sydney
C)hiroshima and nagasaki
D)tokyo

Question 13

Who made the famous "Atoms for Peace" speech?

A)abraham lincoln
B)jawaharlal nehru
C)dwight d eisenhower
D)parker chewier

Question 14

How many percentage of fissionable U-235 occurring in uranium?

A)0.1%
B)0.5%
C)0.7%
D)1.5%

Question 15

Which is the main source of nuclear radiations?

A)nuclear power plant
B)sunlight
C)atmospheric air
D)volcanoes

Question 16

Which element of hydroelectric power plant prevents the penstock from water hammer phenomenon?

A)valves and gates
B)draft tubes
C)spillway
D)surge tank

Question 17

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

Question 18

Which statement about surge tank is wrong?

A)ideal location of surge tank is at the turbine inlet
B)a decrease in load demands cause a rise in water level in surge tank
C)surge tanks are totally closed to avoid entry of unwanted objects to penstock
D)surge tanks are installed to reduce harm effects of water hammer phenomenon

Question 19

Trash racks are located ______      

A)near tailrace
B)at the entrance of turbine
C)inside penstock
D)intake

Question 20

A geothermal solution containing appreciable amounts of sodium chloride or other salts is called as ______

A)fluids
B)brine
C)solvent
D)magma

Question 21

A spring that shoots jets of hot water and steam into the air is called as                

A)mine hole
B)geyser
C)hot spring
D)mud pot

Question 22

What is the advantage of sectionalizing of power plant?

A)high reliability
B)low capital cost
C)low maintenance
D)easy operation

Question 23

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