# ONLINE MCQ EE-TRANSMISSION AND DISTRIBUTION 7

Q61. If the height of transmission tower is
increased, which of the following; parameters
is likely to change ?
A.  Capacitance
B.  Inductance
C.  Resistance
D.  All of the above
E.  None of the above
 \$(document).ready(function(){ \$(‘#loaddata3968’).click(function(){ qid3968=\$(‘#qid3968’).val(); section3968=\$(‘#section3968’).val(); type3968=\$(‘#type3968’).val(); subtype3968=\$(‘#subtype3968’).val(); \$.post(‘../../fav’,{ qid:qid3968, section: section3968, type: type3968, subtype: subtype3968 },function(ajaxresult){ \$(‘#getrequest3968’).html(ajaxresult); qid3968=\$(‘#qid3968’).val(”); section3968=\$(‘#section3968’).val(”); type3968=\$(‘#type3968’).val(”); subtype3968=\$(‘#subtype3968’).val(”); }); }); }); Explanation:- Answer : A
Q62. To increase the capacity of a transmission
line for transmitting power which
of the following must be decreased ?
A.  Capacitance
B.  Line inductance
C.  Voltage
D.  All of the above
 \$(document).ready(function(){ \$(‘#loaddata3969’).click(function(){ qid3969=\$(‘#qid3969’).val(); section3969=\$(‘#section3969’).val(); type3969=\$(‘#type3969’).val(); subtype3969=\$(‘#subtype3969’).val(); \$.post(‘../../fav’,{ qid:qid3969, section: section3969, type: type3969, subtype: subtype3969 },function(ajaxresult){ \$(‘#getrequest3969’).html(ajaxresult); qid3969=\$(‘#qid3969’).val(”); section3969=\$(‘#section3969’).val(”); type3969=\$(‘#type3969’).val(”); subtype3969=\$(‘#subtype3969’).val(”); }); }); }); Explanation:- Answer : B
Q63. The ground ring transmission lines are
used to
A.  reduce the transmission losses
B.  reduce the earth capacitance of the
lowest unit
C.  increase the earth capacitance of
the lowest unit
D.  none of the above
 \$(document).ready(function(){ \$(‘#loaddata3970’).click(function(){ qid3970=\$(‘#qid3970’).val(); section3970=\$(‘#section3970’).val(); type3970=\$(‘#type3970’).val(); subtype3970=\$(‘#subtype3970’).val(); \$.post(‘../../fav’,{ qid:qid3970, section: section3970, type: type3970, subtype: subtype3970 },function(ajaxresult){ \$(‘#getrequest3970’).html(ajaxresult); qid3970=\$(‘#qid3970’).val(”); section3970=\$(‘#section3970’).val(”); type3970=\$(‘#type3970’).val(”); subtype3970=\$(‘#subtype3970’).val(”); }); }); }); Explanation:- Answer : B
Q64. Ground wire is used to
B.  give the support to the tower
C.  give good regulation
D.  connect, a circuit conductor or other
device to an earth-plate
 \$(document).ready(function(){ \$(‘#loaddata3971’).click(function(){ qid3971=\$(‘#qid3971’).val(); section3971=\$(‘#section3971’).val(); type3971=\$(‘#type3971’).val(); subtype3971=\$(‘#subtype3971’).val(); \$.post(‘../../fav’,{ qid:qid3971, section: section3971, type: type3971, subtype: subtype3971 },function(ajaxresult){ \$(‘#getrequest3971’).html(ajaxresult); qid3971=\$(‘#qid3971’).val(”); section3971=\$(‘#section3971’).val(”); type3971=\$(‘#type3971’).val(”); subtype3971=\$(‘#subtype3971’).val(”); }); }); }); Explanation:- Answer : D
Q65. Overhead system can be designed for
operation upto
A.  11 kV
B.  33 kV
C.  66 kV
D.  400 kV
 \$(document).ready(function(){ \$(‘#loaddata3972’).click(function(){ qid3972=\$(‘#qid3972’).val(); section3972=\$(‘#section3972’).val(); type3972=\$(‘#type3972’).val(); subtype3972=\$(‘#subtype3972’).val(); \$.post(‘../../fav’,{ qid:qid3972, section: section3972, type: type3972, subtype: subtype3972 },function(ajaxresult){ \$(‘#getrequest3972’).html(ajaxresult); qid3972=\$(‘#qid3972’).val(”); section3972=\$(‘#section3972’).val(”); type3972=\$(‘#type3972’).val(”); subtype3972=\$(‘#subtype3972’).val(”); }); }); }); Explanation:- Answer : D
Q66. The phenomenon of rise in voltage at
the receiving end of the open-circuited
or lightly loaded line is called the
A.  Seeback effect
B.  Ferranti effect
C.  Raman effect
D.  none of the above
 \$(document).ready(function(){ \$(‘#loaddata3973’).click(function(){ qid3973=\$(‘#qid3973’).val(); section3973=\$(‘#section3973’).val(); type3973=\$(‘#type3973’).val(); subtype3973=\$(‘#subtype3973’).val(); \$.post(‘../../fav’,{ qid:qid3973, section: section3973, type: type3973, subtype: subtype3973 },function(ajaxresult){ \$(‘#getrequest3973’).html(ajaxresult); qid3973=\$(‘#qid3973’).val(”); section3973=\$(‘#section3973’).val(”); type3973=\$(‘#type3973’).val(”); subtype3973=\$(‘#subtype3973’).val(”); }); }); }); Explanation:- Answer : B
Q67. Due to which of the following reasons the
cables should not, be operated too hot ?
A.  The oil may loose its viscosity and it
may start drawing off from higher
levels
B.  Expansion of the oil may cause the
sheath to burst
C.  Unequal expansion may create voids
in the insulation which will lead to
ionization
D.  The thermal instability may rise
due to the rapid increase of dielectric
losses with temperature
E.  All of the above
 \$(document).ready(function(){ \$(‘#loaddata3974’).click(function(){ qid3974=\$(‘#qid3974’).val(); section3974=\$(‘#section3974’).val(); type3974=\$(‘#type3974’).val(); subtype3974=\$(‘#subtype3974’).val(); \$.post(‘../../fav’,{ qid:qid3974, section: section3974, type: type3974, subtype: subtype3974 },function(ajaxresult){ \$(‘#getrequest3974’).html(ajaxresult); qid3974=\$(‘#qid3974’).val(”); section3974=\$(‘#section3974’).val(”); type3974=\$(‘#type3974’).val(”); subtype3974=\$(‘#subtype3974’).val(”); }); }); }); Explanation:- Answer : E
Q68. The conductors of the overhead lines
are
A.  solid
B.  stranded
C.  both solid and stranded
D.  none of the above
 \$(document).ready(function(){ \$(‘#loaddata3975’).click(function(){ qid3975=\$(‘#qid3975’).val(); section3975=\$(‘#section3975’).val(); type3975=\$(‘#type3975’).val(); subtype3975=\$(‘#subtype3975’).val(); \$.post(‘../../fav’,{ qid:qid3975, section: section3975, type: type3975, subtype: subtype3975 },function(ajaxresult){ \$(‘#getrequest3975’).html(ajaxresult); qid3975=\$(‘#qid3975’).val(”); section3975=\$(‘#section3975’).val(”); type3975=\$(‘#type3975’).val(”); subtype3975=\$(‘#subtype3975’).val(”); }); }); }); Explanation:- Answer : B
Q69. The material generally used for armour
of high voltage cables is
A.  aluminium
B.  steel
C.  brass
D.  copper
 \$(document).ready(function(){ \$(‘#loaddata3976’).click(function(){ qid3976=\$(‘#qid3976’).val(); section3976=\$(‘#section3976’).val(); type3976=\$(‘#type3976’).val(); subtype3976=\$(‘#subtype3976’).val(); \$.post(‘../../fav’,{ qid:qid3976, section: section3976, type: type3976, subtype: subtype3976 },function(ajaxresult){ \$(‘#getrequest3976’).html(ajaxresult); qid3976=\$(‘#qid3976’).val(”); section3976=\$(‘#section3976’).val(”); type3976=\$(‘#type3976’).val(”); subtype3976=\$(‘#subtype3976’).val(”); }); }); }); Explanation:- Answer : B
Q70. A uniformly-loaded D.C. distributor is
fed at both ends with equal voltages. As
compared to a similar distributor fed at
one end only, the drop at the middle
point is
A.  one-fourth