Mechanical Engineering MCQs

2075 MCQs  (Page 34 of 208)

Attempt Mechanical Engineering Mcqs Quiz
In nuclear fission___________________?
A. The original elements change into completely different elements
B. The electrons of the element change
C. The molecules rearrange themselves to form other molecules
D. None of the above
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A boiling water reactor uses following as fuel________________?
A. Enriched uranium
B. Plutonium
C. Thorium
D. U
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Which of the following type of pump is used in liquid metal cooled reactor for circulation of liquid metal_________________?
A. Centrifugal
B. Axial
C. Reciprocation
D. Electromagnetic
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Heat transfer takes place as per ________________?
A. Zeroth law of thermodynamics
B. First law of thermodynamic
C. Second law of the thermodynamics
D. Kirchoff’s law e. stefan’s law
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When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by __________________?
A. Conduction
B. Convection
C. Radiation
D. Conduction and convection
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Heat is closely related with___________________?
A. Liquids
B. Energy
C. Temperature
D. Entropy
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The insulation ability of an insulator with the presence of moisture would_________________?
A. Increase
B. Decrease
C. Remain unaffected
D. May increase/decrease depending on temperature and thickness of insulation
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Thermal conductivity of non-metallic amorphous solids with decrease in temperature __________________?
A. Increases
B. Decreases
C. Remains constant
D. May increase or decrease depending on temperature
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Unit of thermal conductivity in M.K.S. units is ___________________?
A. Kcal/kg m2 °c
B. Kcal-m/hr m2 °c
C. Kcal/hr m2 °c
D. Kcal-m/hr °c
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When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by ___________________?
A. Conduction
B. Convection
C. Radiation
D. Conduction and convection
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Word of the Day
27 Sep
Undesirable
not wanted or desirable because harmful, objectionable, or unpleasant.
غیر مطلوب، ناروا، نامناسب

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