M C Q s D r i v e

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

thumb

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

Ferrite material is____________________?
A the most fissionable material
B the basic fuel for nuclear paints
C basic raw material for nuclear plants
D the material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
Correct Answer: the material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material
Which of the following particles is the lightest__________________?
A nucleus
B electron
C proton
D meson
Correct Answer: electron
In nuclear fission each neutron that causes fission releases_______________?
A no new neutron
B at least one new neutron
C one new neutron
D more than one new neutrons
Correct Answer: one new neutron
Gas cooled reactor uses following materials as moderator, and coolant____________________?
A graphite, C02
B graphite, air
C heavy water, C02
D lead, H2
Correct Answer: graphite, C02
A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?
A same
B more
C less
D there is no such criterion
Correct Answer: more