# ONLINE MCQ EE-TRANSMISSION AND DISTRIBUTION 10

Q91. There is a greater possibility of occurrence
of corona during
A.  dry weather
B.  winter
C.  summer heat
D.  humid weather
E.  none of the above
 \$(document).ready(function(){ \$(‘#loaddata3998’).click(function(){ qid3998=\$(‘#qid3998’).val(); section3998=\$(‘#section3998’).val(); type3998=\$(‘#type3998’).val(); subtype3998=\$(‘#subtype3998’).val(); \$.post(‘../../fav’,{ qid:qid3998, section: section3998, type: type3998, subtype: subtype3998 },function(ajaxresult){ \$(‘#getrequest3998’).html(ajaxresult); qid3998=\$(‘#qid3998’).val(”); section3998=\$(‘#section3998’).val(”); type3998=\$(‘#type3998’).val(”); subtype3998=\$(‘#subtype3998’).val(”); }); }); }); Explanation:- Answer : D
Q92. In A.C.S.R. conductors, the insulation
between aluminum and steel conductors
is
A.  insulin
B.  bitumen
C.  varnish
D.  no insulation is required
 \$(document).ready(function(){ \$(‘#loaddata3999’).click(function(){ qid3999=\$(‘#qid3999’).val(); section3999=\$(‘#section3999’).val(); type3999=\$(‘#type3999’).val(); subtype3999=\$(‘#subtype3999’).val(); \$.post(‘../../fav’,{ qid:qid3999, section: section3999, type: type3999, subtype: subtype3999 },function(ajaxresult){ \$(‘#getrequest3999’).html(ajaxresult); qid3999=\$(‘#qid3999’).val(”); section3999=\$(‘#section3999’).val(”); type3999=\$(‘#type3999’).val(”); subtype3999=\$(‘#subtype3999’).val(”); }); }); }); Explanation:- Answer : D
Q93. Corona usually occurs when the electrostatic
stress in air around the conductor
exceeds
A.  6.6 kV (r.m.s. value)/cm
B.  11 kV (r.m.s. value)/cm
C.  22 kV (maximum value)/cm
D.  30 kV (maximum value)/cm
 \$(document).ready(function(){ \$(‘#loaddata4000’).click(function(){ qid4000=\$(‘#qid4000’).val(); section4000=\$(‘#section4000’).val(); type4000=\$(‘#type4000’).val(); subtype4000=\$(‘#subtype4000’).val(); \$.post(‘../../fav’,{ qid:qid4000, section: section4000, type: type4000, subtype: subtype4000 },function(ajaxresult){ \$(‘#getrequest4000’).html(ajaxresult); qid4000=\$(‘#qid4000’).val(”); section4000=\$(‘#section4000’).val(”); type4000=\$(‘#type4000’).val(”); subtype4000=\$(‘#subtype4000’).val(”); }); }); }); Explanation:- Answer : D
Q94. In a tap changing transformer, the tappings
are provided on
A.  primary winding
B.  secondary winding
C.  high voltage winding
D.  any of the above
 \$(document).ready(function(){ \$(‘#loaddata4001’).click(function(){ qid4001=\$(‘#qid4001’).val(); section4001=\$(‘#section4001’).val(); type4001=\$(‘#type4001’).val(); subtype4001=\$(‘#subtype4001’).val(); \$.post(‘../../fav’,{ qid:qid4001, section: section4001, type: type4001, subtype: subtype4001 },function(ajaxresult){ \$(‘#getrequest4001’).html(ajaxresult); qid4001=\$(‘#qid4001’).val(”); section4001=\$(‘#section4001’).val(”); type4001=\$(‘#type4001’).val(”); subtype4001=\$(‘#subtype4001’).val(”); }); }); }); Explanation:- Answer : B
Q95. The angular displacement between two
interconnected stations is mainly due
to
A.  armature reactance of both alternators
B.  reactance of the interconnector
C.  synchronous reactance of both the
alternators
D.  all of the above
 \$(document).ready(function(){ \$(‘#loaddata4002’).click(function(){ qid4002=\$(‘#qid4002’).val(); section4002=\$(‘#section4002’).val(); type4002=\$(‘#type4002’).val(); subtype4002=\$(‘#subtype4002’).val(); \$.post(‘../../fav’,{ qid:qid4002, section: section4002, type: type4002, subtype: subtype4002 },function(ajaxresult){ \$(‘#getrequest4002’).html(ajaxresult); qid4002=\$(‘#qid4002’).val(”); section4002=\$(‘#section4002’).val(”); type4002=\$(‘#type4002’).val(”); subtype4002=\$(‘#subtype4002’).val(”); }); }); }); Explanation:- Answer : B
Q96. The skin effect of a conductor will
reduce as the
A.  resistivity of conductor material increases
B.  permeability of conductor material
increases
C.  diameter increases
D.  frequency increases
 \$(document).ready(function(){ \$(‘#loaddata4003’).click(function(){ qid4003=\$(‘#qid4003’).val(); section4003=\$(‘#section4003’).val(); type4003=\$(‘#type4003’).val(); subtype4003=\$(‘#subtype4003’).val(); \$.post(‘../../fav’,{ qid:qid4003, section: section4003, type: type4003, subtype: subtype4003 },function(ajaxresult){ \$(‘#getrequest4003’).html(ajaxresult); qid4003=\$(‘#qid4003’).val(”); section4003=\$(‘#section4003’).val(”); type4003=\$(‘#type4003’).val(”); subtype4003=\$(‘#subtype4003’).val(”); }); }); }); Explanation:- Answer : A
Q97. Which of the following distribution systems
is the most economical ?
A.  A.C. 1-phase system
B.  A.C. 3-phase 3 wire system
C.  A.C. 3-phase 4 wire system
D.  Direct current system
 \$(document).ready(function(){ \$(‘#loaddata4004’).click(function(){ qid4004=\$(‘#qid4004’).val(); section4004=\$(‘#section4004’).val(); type4004=\$(‘#type4004’).val(); subtype4004=\$(‘#subtype4004’).val(); \$.post(‘../../fav’,{ qid:qid4004, section: section4004, type: type4004, subtype: subtype4004 },function(ajaxresult){ \$(‘#getrequest4004’).html(ajaxresult); qid4004=\$(‘#qid4004’).val(”); section4004=\$(‘#section4004’).val(”); type4004=\$(‘#type4004’).val(”); subtype4004=\$(‘#subtype4004’).val(”); }); }); }); Explanation:- Answer : D
Q98. Power loss due to corona is not directly
proportional to
A.  spacing between conductors
B.  supply voltage frequency
C.  phase-neutral voltage
D.  all of the above
 \$(document).ready(function(){ \$(‘#loaddata4005’).click(function(){ qid4005=\$(‘#qid4005’).val(); section4005=\$(‘#section4005’).val(); type4005=\$(‘#type4005’).val(); subtype4005=\$(‘#subtype4005’).val(); \$.post(‘../../fav’,{ qid:qid4005, section: section4005, type: type4005, subtype: subtype4005 },function(ajaxresult){ \$(‘#getrequest4005’).html(ajaxresult); qid4005=\$(‘#qid4005’).val(”); section4005=\$(‘#section4005’).val(”); type4005=\$(‘#type4005’).val(”); subtype4005=\$(‘#subtype4005’).val(”); }); }); }); Explanation:- Answer : A
Q99. In the design of a distributor which of
the following is the major consideration
?
A.  Voltage drop
B.  Current carrying capacity
C.  Frequency
D.  kVA of system
E.  None of the above