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Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

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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.

All Topics  1919

Enriched uranium may contain fissionable contents of the order of__________________?
A 1-99%
B 1-25%
C 1-50%
D 1-75%
Correct Answer: 1-99%
A reactor capable of converting a ferrite material into fissile isotopes is called____________________?
A regenerative reactor
B fast breeder reactor
C breeder reactor
D boiling water reactor
Correct Answer: regenerative reactor
Electron-volt is the unit of________________?
A atomic power
B energy
C voltage
D radio activity
Correct Answer: energy
The risk of radioactive hazard is greatest in the turbine with following reactor___________________?
A pressurised water
B boiling water
C gas cooled
D liquid metal cooled
Correct Answer: boiling water
Hydrogen is preferred as better coolant in comparison to C02 because former_____________________?
A is lighter
B is inert
C has high specific heat
D is a good conductor
Correct Answer: has high specific heat
U235 will undergo fission by__________________?
A high energy (fast) neutrons alone
B low energy (slow) neutrons alone
C either fast or slow neutrons
D medium energy neutrons
Correct Answer: either fast or slow neutrons
The first unclear power plant in India is located at____________________?
A Kota
B Kalapakkam
C Tarapur
D Baraeilly
Correct Answer: Tarapur
Boiling water reactor uses the following as moderator, coolant and working fluid________________?
A ordinary fluid
B heavy water
C molten lead
D hydrogen gas
Correct Answer: ordinary fluid
U238 will undergo fission by_________________?
A high energy (fast) neutrons alone
B low energy (slow) neutrons alone
C either fast or slow neutrons
D medium energy neutrons
Correct Answer: high energy (fast) neutrons alone
Ideally the neutron flux in reactor should be__________________ ?
A maximum in center and zero at side
B maximum at side and zero in center
C uniform throughout
D zero throughout
Correct Answer: uniform throughout
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