# 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
[Wrong Answer]
B.  convection
[Wrong Answer]
C.  radiation
[Correct Answer]
D.  conduction and convection
[Wrong Answer]
E.  convection and radiation.
[Wrong Answer]
 \$(document).ready(function(){ \$(‘#loaddata13883’).click(function(){ qid13883=\$(‘#qid13883’).val(); section13883=\$(‘#section13883’).val(); type13883=\$(‘#type13883’).val(); subtype13883=\$(‘#subtype13883’).val(); \$.post(‘../../fav’,{ qid:qid13883, section: section13883, type: type13883, subtype: subtype13883 },function(ajaxresult){ \$(‘#getrequest13883’).html(ajaxresult); qid13883=\$(‘#qid13883’).val(”); section13883=\$(‘#section13883’).val(”); type13883=\$(‘#type13883’).val(”); subtype13883=\$(‘#subtype13883’).val(”); }); }); }); Explanation:- Answer : C
Q7. Sensible heat is the heat required to
A.  change vapour into liquid
[Wrong Answer]
B.  change liquid into vapour
[Wrong Answer]
C.  increase the temperature of a liquid of vapour
[Correct Answer]
D.  convert water into steam and superheat it
[Wrong Answer]
E.  convert saturated steam into dry steam.
[Wrong Answer]
 \$(document).ready(function(){ \$(‘#loaddata13884’).click(function(){ qid13884=\$(‘#qid13884’).val(); section13884=\$(‘#section13884’).val(); type13884=\$(‘#type13884’).val(); subtype13884=\$(‘#subtype13884’).val(); \$.post(‘../../fav’,{ qid:qid13884, section: section13884, type: type13884, subtype: subtype13884 },function(ajaxresult){ \$(‘#getrequest13884’).html(ajaxresult); qid13884=\$(‘#qid13884’).val(”); section13884=\$(‘#section13884’).val(”); type13884=\$(‘#type13884’).val(”); subtype13884=\$(‘#subtype13884’).val(”); }); }); }); Explanation:- Answer : C
Q8. The insulation ability of an insulator with the presence of moisture would
A.  increase
[Wrong Answer]
B.  decrease
[Correct Answer]
C.  remain unaffected
[Wrong Answer]
D.  may increase/decrease depending on temperature and thickness of insulation
[Wrong Answer]
E.  none of the above.
[Wrong Answer]
 \$(document).ready(function(){ \$(‘#loaddata13885’).click(function(){ qid13885=\$(‘#qid13885’).val(); section13885=\$(‘#section13885’).val(); type13885=\$(‘#type13885’).val(); subtype13885=\$(‘#subtype13885’).val(); \$.post(‘../../fav’,{ qid:qid13885, section: section13885, type: type13885, subtype: subtype13885 },function(ajaxresult){ \$(‘#getrequest13885’).html(ajaxresult); qid13885=\$(‘#qid13885’).val(”); section13885=\$(‘#section13885’).val(”); type13885=\$(‘#type13885’).val(”); subtype13885=\$(‘#subtype13885’).val(”); }); }); }); Explanation:- Answer : B
Q9. When heat is Transferred by molecular collision, it is referred to as heat transfer by
A.  conduction
[Wrong Answer]
B.  convection
[Correct Answer]
C.  radiation
[Wrong Answer]
D.  scattering
[Wrong Answer]
E.  convection and radiation.
[Wrong Answer]
 \$(document).ready(function(){ \$(‘#loaddata13886’).click(function(){ qid13886=\$(‘#qid13886’).val(); section13886=\$(‘#section13886’).val(); type13886=\$(‘#type13886’).val(); subtype13886=\$(‘#subtype13886’).val(); \$.post(‘../../fav’,{ qid:qid13886, section: section13886, type: type13886, subtype: subtype13886 },function(ajaxresult){ \$(‘#getrequest13886’).html(ajaxresult); qid13886=\$(‘#qid13886’).val(”); section13886=\$(‘#section13886’).val(”); type13886=\$(‘#type13886’).val(”); subtype13886=\$(‘#subtype13886’).val(”); }); }); }); Explanation:- Answer : B
Q10. Heat transfer in liquid and gases takes place by
A.  conduction
[Wrong Answer]
B.  convection
[Correct Answer]
C.  radiation
[Wrong Answer]
D.  conduction and convection
[Wrong Answer]
E.  convection and radiation.
[Wrong Answer]
 \$(document).ready(function(){ \$(‘#loaddata13887’).click(function(){ qid13887=\$(‘#qid13887’).val(); section13887=\$(‘#section13887’).val(); type13887=\$(‘#type13887’).val(); subtype13887=\$(‘#subtype13887’).val(); \$.post(‘../../fav’,{ qid:qid13887, section: section13887, type: type13887, subtype: subtype13887 },function(ajaxresult){ \$(‘#getrequest13887’).html(ajaxresult); qid13887=\$(‘#qid13887’).val(”); section13887=\$(‘#section13887’).val(”); type13887=\$(‘#type13887’).val(”); subtype13887=\$(‘#subtype13887’).val(”); }); }); }); Explanation:- Answer : B