The most abundant element in the earth’s crust is oxygen. The second most abundant element in the earth’s crust is_____.
A. Hydrogen
B. Nitrogen
C. Brass
D. Silicon
A person seated in front of a fire receives heat by_____.
A. Conduction
B. Convection
C. Radiation
D. None of these
If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is_____.
A. Conduction
B. Convection
C. Radiation
D. None of these
Which of the following is NOT a method of heat transfer?
A. Conduction
B. Convection
C. Radiation
D. All of the above (more…)
Which from the following is NOT a method of heat transfer?
A. Conduction
B. Convection
C. Radiation
D. All are methods of heat transfer (more…)
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