On This Page
This set of Power Plant Engineering PPE Multiple Choice Questions & Answers (MCQs) focuses on Power Plant Engineering Set 12
Q1 | Which State in India nuclear accident took place?
- tamil nadu
- karnataka
- gujarat
- rajasthan
Q2 | Which one of the following medical condition caused by the high exposure of radiation?
- kidney stone
- aids
- mutation
- blood pressure
Q3 | What is the main purpose of nuclear energy?
- to kill the enemy nation
- to waste the excessive energy
- to use it as an alternate source of energy
- to cause mutation for people who are working
Q4 | Approximately how many percentage of electricity produced by nuclear power in the world?
- 10
- 14
- 17
- 20
Q5 | Which is the main source of nuclear radiations?
- nuclear power plant
- sunlight
- atmospheric air
- volcanoes
Q6 | The use of nuclear energy in the war had devastating effects on humans and on the earth.
- true
- false
Q7 | Which element of hydroelectric power plant prevents the penstock from water hammer phenomenon?
- valves and gates
- draft tubes
- spillway
- surge tank
Q8 | Spillway discharges the overflow water to the downstream side when the reservoir is full.
- true
- false
Q9 | Trash racks are built for
- discharging the water freely from the turbine exit to tailrace
- preventing the turbine from ingress of floating and other materials
- creating artificial head to store sufficient potential energy of water
- controlling the opening of valves
Q10 | Penstock in a hydroelectric power plant is
- a pipe connected to runner outlet
- nozzle that release high pressure water on turbine blades
- a conduit connecting forebay to scroll case of turbine
- a pipe connecting surge tank to dam
Q11 | The pressure at the inlet or exit of the draft tube should not be
- less than one third of atmospheric pressure
- greater than one third of atmospheric pressure
- less than one atmospheric pressure
- greater than one atmospheric pressure
Q12 | Draft tube increases the operating head on the turbine.
- true
- false
Q13 | Which statement about surge tank is wrong?
- ideal location of surge tank is at the turbine inlet
- a decrease in load demands cause a rise in water level in surge tank
- surge tanks are totally closed to avoid entry of unwanted objects to penstock
- surge tanks are installed to reduce harm effects of water hammer phenomenon
Q14 | Trash racks are located
- near tailrace
- at the entrance of turbine
- inside penstock
- intake
Q15 | What is the function of booms?
- it supports the dam
- it supports the penstock
- it divert the icebergs from flowing into the penstock
- to hold the turbine structure
Q16 | How much is the average temperature at depth of 10 km of earth surface?
- 200oc
- 900oc
- 650oc
- 20oc
Q17 | What is hot molten rock called?
- lava
- magma
- igneous rocks
- volcano
Q18 | How many kinds of Geo thermal steams are there?
- 2
- 3
- 4
- 5
Q19 | What does EGS stand for in geothermal energy?
- engraved geothermal systems
- enhanced geothermal system
- exhaust gas system
- engineered geo physical system
Q20 | Who invented first geothermal plant?
- michael faraday
- piero ginori conti
- enrico fermi
- guglielmo marconi
Q21 | A geothermal solution containing appreciable amounts of sodium chloride or other salts is called as
- fluids
- brine
- solvent
- magma
Q22 | Earth’s outer layer rock is called as
- mantle
- crust
- outer core
- asthenosphere
Q23 | The hole on earth’s surface from where the steam from the earth comes out is called as
- gash
- mud pot
- void
- fumarole
Q24 | A spring that shoots jets of hot water and steam into the air is called as
- mine hole
- geyser
- hot spring
- mud pot
Q25 | Which kind geothermal plant is most common type?
- dry steam
- flash
- binary
- wet steam