# ONLINE MCQ ME-Heat Transfer 2

Q6. 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
D.  conduction and convection
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Q7. Sensible heat is the heat required to
A.  change vapour into liquid
B.  change liquid into vapour
C.  increase the temperature of a liquid of vapour
D.  convert water into steam and superheat it
E.  convert saturated steam into dry steam.
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Q8. 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
E.  none of the above.
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Q9. When heat is Transferred by molecular collision, it is referred to as heat transfer by
A.  conduction
B.  convection
D.  scattering
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Q10. Heat transfer in liquid and gases takes place by
A.  conduction