Top 350+ Solved Power Plant Engineering (PPE) MCQ Questions Answer

From 61 to 75 of 322

Q. Which of the following may not need a moderator?

a. candu reactor

b. fast breeder reactor

c. homogeneous reactor

d. none of the mentioned

  • b. fast breeder reactor

Q. Which of the following is not a naturally occurring nuclear fuel?

a. uranium-238

b. thorium-233

c. plutonium-239

d. none of the mentioned

  • c. plutonium-239

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

a. zinc

b. sulphur

c. sodium

d. manganese

  • c. sodium

Q. One amu is equivalent to?

a. 931 mev

b. 93.1 ev

c. 9.31 ev

d. 931 j

  • a. 931 mev

Q. 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

  • c. use th-232 as fissile fuel

Q. 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

  • d. coolant water is allowed to boil in the core of the reactor

Q. Commercial power generation from fusion reactor is not yet possible, because

a. it is difficult to initiate fusion reaction

b. the fuel required (e.g. deuterium and tritium) is scarce

c. it is difficult to control fusion reaction

d. quantity of fuel required for initiating fusion reaction is prohibitively high

  • c. it is difficult to control fusion reaction

Q. 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

  • b. protect the walls of the reactor from radiation damage

Q. 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

  • c. hiroshima and nagasaki

Q. Where was the first control fission of an atom carried out?

a. india

b. japan

c. russia

d. germany

  • d. germany

Q. Which was the first country to develop an atomic bomb?

a. russia

b. united states

c. china

d. japan

  • b. united states

Q. Who made the famous “Atoms for Peace” speech?

a. abraham lincoln

b. jawaharlal nehru

c. dwight d eisenhower

d. parker chewier

  • c. dwight d eisenhower

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

a. 0.1%

b. 0.5%

c. 0.7%

d. 1.5%

  • c. 0.7%

Q. Nuclear energy is only harmful.

a. true

b. false

  • b. false

Q. Which State in India nuclear accident took place?

a. tamil nadu

b. karnataka

c. gujarat

d. rajasthan

  • a. tamil nadu
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