Question: Rivets are generally specified by_______________?

• 1. thickness of plates to be riveted
• 2. length of rivet
• 3. diameter of head
• 4. nominal diameter

Question: The designation M 33 x 2 of a bolt means___________________?

• 1. metric threads of 33 nos in 2 cm.
• 2. metric threads with cross-section of 33 mm
• 3. metric threads of 33 mm outside diameter and 2 mm pitch
• 4. bolt of 33 mm nominal diameter having 2 threads per cm

Question: Supertheated steam is generated in following reactor________________?

• 1. boiling water
• 2. gas cooled
• 3. pressurised water
• 4. all of the above

Question: In the breeder reactors the generation of new fissionable atom is_________________?

• 1. at the lower rate than the consumption
• 2. at a higher rate than the constuption
• 3. at an equal rate of the consumption
• 4. depends on other considerations

Question: When a reactor becomes critical, then the production of neutrons is_________________?

• 1. infinite
• 2. zero
• 3. exactly balanced by the loss of neutrons through leakage
• 4. initiated

Question: Reactors designed for propulsion applications are designed for_______________?

• 1. natural uranium
• 2. enriched uranium
• 3. pure uranium
• 4. any type of uranium

Question: Solid- fuel for nuclear reactions may be fabricated into various small shapes such as___________________?

• 1. plates
• 2. pallets
• 3. pins
• 4. any one of the above

Question: Which of the following is more appropriate for a moderator. One which_________________?

• 1. does not absorb neutrons
• 2. absorbs neutrons
• 3. accelerates neutrons
• 4. eats up neutrons

Question: In triggering fission, the following types of neutrons are desirable_________________?

• 1. fast moving
• 2. slow moving
• 3. critical neutrons
• 4. neutrons at rest

Question: In a fission process, maximum %age of energy is released as___________________?

• 1. kinetic energy of neutrons
• 2. kinetic energy of fission products
• 3. instantaneous release of gamma rays
• 4. gradual readioactive decay of fission products