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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

Reactors for propulsion applications use_________________?
A natural uranium
B molten lead
C any form of uranium
D thorium
Correct Answer: molten lead
A pressurised water reactor employs pressuriser for the following application________________?
A to maintain constant pressure in primary circuit under varying load
B to Supply high pressure steam
C to increase pressure of water in primary circut
D to provide subcooled water at high pressure
Correct Answer: to maintain constant pressure in primary circuit under varying load
The function of control rods in nuclear plants is to__________________?
A control temperature
B control readioactive pollution
C control absorption of neutron
D control fuel consumption
Correct Answer: control absorption of neutron
Which of the following can be used as a coolant in nuclear plant________________?
A light or heavy water
B molten lead
C carbon dioxide
D freon
Correct Answer: light or heavy water
Which of the following is the primary fuel________________?
A Ulii
B U
C U238
D Pu:
Correct Answer: U
Plutonium-239 is produced__________________?
A as basic raw material
B by neutron irradiation of IT*
C by neutron irradiation of thorium
D artificially
Correct Answer: by neutron irradiation of IT*
The unit of radio-activity is_____________?
A electron-volt
B electron-ampere
C curie
D MeV
Correct Answer: curie
Uranium-233 is produced__________________?
A as basic raw material
B by neutron irradiation of Uz
C by neutron irradiation of thorium
D artificially
Correct Answer: by neutron irradiation of thorium
Plutonium is produced________________?
A as basic raw material
B by neutron irradiation of Uz
C by neutron irradiation of throium
D artificially
Correct Answer: by neutron irradiation of Uz
Natural uranium is made up of__________________?
A 99.282% U238, 0.712% U235, 0.006% U234
B 99.282% U235, 0.712% U238, 0.06%’ U234
C 99.282% U234, 0.712% U238, 0.006% U235
D 99.282% U235, 0.712% U234, 0.006% U238
Correct Answer: 99.282% U238, 0.712% U235, 0.006% U234
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