Mechanical Engineering Mcqs
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

A boiling water reactor uses following as fuel________________?

A. Enriched uranium
B. Plutonium
C. Thorium
D. U

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

Heat is closely related with___________________?

A. Liquids
B. Energy
C. Temperature
D. Entropy

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

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

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