# ONLINE MCQ EE-ELECTRICAL INSTALLATION & WIRING 1

Q1. ____ cables are used for 132 kV lines.
A.  High tension
B.  Super tension
C.  Extra high tension
D.  Extra super voltage
 \$(document).ready(function(){ \$(‘#loaddata1583’).click(function(){ qid1583=\$(‘#qid1583’).val(); section1583=\$(‘#section1583’).val(); type1583=\$(‘#type1583’).val(); subtype1583=\$(‘#subtype1583’).val(); \$.post(‘../../fav’,{ qid:qid1583, section: section1583, type: type1583, subtype: subtype1583 },function(ajaxresult){ \$(‘#getrequest1583’).html(ajaxresult); qid1583=\$(‘#qid1583’).val(”); section1583=\$(‘#section1583’).val(”); type1583=\$(‘#type1583’).val(”); subtype1583=\$(‘#subtype1583’).val(”); }); }); }); Explanation:- Answer : D
Q2. PVC stands for
A.  polyvinyl chloride
B.  post varnish conductor
C.  pressed and varnished cloth
D.  positive voltage conductor
E.  none of the above
 \$(document).ready(function(){ \$(‘#loaddata1584’).click(function(){ qid1584=\$(‘#qid1584’).val(); section1584=\$(‘#section1584’).val(); type1584=\$(‘#type1584’).val(); subtype1584=\$(‘#subtype1584’).val(); \$.post(‘../../fav’,{ qid:qid1584, section: section1584, type: type1584, subtype: subtype1584 },function(ajaxresult){ \$(‘#getrequest1584’).html(ajaxresult); qid1584=\$(‘#qid1584’).val(”); section1584=\$(‘#section1584’).val(”); type1584=\$(‘#type1584’).val(”); subtype1584=\$(‘#subtype1584’).val(”); }); }); }); Explanation:- Answer : A
Q3. In cables the charging current
A.  lags the voltage by 90°
B.  leads the voltage by 90°
C.  lags the voltage by 180°
D.  leads the voltage by 180°
 \$(document).ready(function(){ \$(‘#loaddata1585’).click(function(){ qid1585=\$(‘#qid1585’).val(); section1585=\$(‘#section1585’).val(); type1585=\$(‘#type1585’).val(); subtype1585=\$(‘#subtype1585’).val(); \$.post(‘../../fav’,{ qid:qid1585, section: section1585, type: type1585, subtype: subtype1585 },function(ajaxresult){ \$(‘#getrequest1585’).html(ajaxresult); qid1585=\$(‘#qid1585’).val(”); section1585=\$(‘#section1585’).val(”); type1585=\$(‘#type1585’).val(”); subtype1585=\$(‘#subtype1585’).val(”); }); }); }); Explanation:- Answer : B
Q4. In a cable the voltage stress is maximum
at
A.  sheath
B.  insulator
C.  surface of the conductor
D.  core of the conductor
 \$(document).ready(function(){ \$(‘#loaddata1586’).click(function(){ qid1586=\$(‘#qid1586’).val(); section1586=\$(‘#section1586’).val(); type1586=\$(‘#type1586’).val(); subtype1586=\$(‘#subtype1586’).val(); \$.post(‘../../fav’,{ qid:qid1586, section: section1586, type: type1586, subtype: subtype1586 },function(ajaxresult){ \$(‘#getrequest1586’).html(ajaxresult); qid1586=\$(‘#qid1586’).val(”); section1586=\$(‘#section1586’).val(”); type1586=\$(‘#type1586’).val(”); subtype1586=\$(‘#subtype1586’).val(”); }); }); }); Explanation:- Answer : D
Q5. The insulating material should have
A.  low permittivity
B.  high resistivity
C.  high dielectric strength
D.  all of the above
 \$(document).ready(function(){ \$(‘#loaddata1587’).click(function(){ qid1587=\$(‘#qid1587’).val(); section1587=\$(‘#section1587’).val(); type1587=\$(‘#type1587’).val(); subtype1587=\$(‘#subtype1587’).val(); \$.post(‘../../fav’,{ qid:qid1587, section: section1587, type: type1587, subtype: subtype1587 },function(ajaxresult){ \$(‘#getrequest1587’).html(ajaxresult); qid1587=\$(‘#qid1587’).val(”); section1587=\$(‘#section1587’).val(”); type1587=\$(‘#type1587’).val(”); subtype1587=\$(‘#subtype1587’).val(”); }); }); }); Explanation:- Answer : D
Q6. Which of the following insulation is
used in cables ?
A.  Varnished cambric
B.  Rubber
C.  Paper
D.  Any of the above
 \$(document).ready(function(){ \$(‘#loaddata1588’).click(function(){ qid1588=\$(‘#qid1588’).val(); section1588=\$(‘#section1588’).val(); type1588=\$(‘#type1588’).val(); subtype1588=\$(‘#subtype1588’).val(); \$.post(‘../../fav’,{ qid:qid1588, section: section1588, type: type1588, subtype: subtype1588 },function(ajaxresult){ \$(‘#getrequest1588’).html(ajaxresult); qid1588=\$(‘#qid1588’).val(”); section1588=\$(‘#section1588’).val(”); type1588=\$(‘#type1588’).val(”); subtype1588=\$(‘#subtype1588’).val(”); }); }); }); Explanation:- Answer : D
Q7. Conduit pipes are normally used to
protect ____ cables.
A.  unsheathed cables
B.  armored
C.  PVC sheathed cables
D.  all of the above
 \$(document).ready(function(){ \$(‘#loaddata1589’).click(function(){ qid1589=\$(‘#qid1589’).val(); section1589=\$(‘#section1589’).val(); type1589=\$(‘#type1589’).val(); subtype1589=\$(‘#subtype1589’).val(); \$.post(‘../../fav’,{ qid:qid1589, section: section1589, type: type1589, subtype: subtype1589 },function(ajaxresult){ \$(‘#getrequest1589’).html(ajaxresult); qid1589=\$(‘#qid1589’).val(”); section1589=\$(‘#section1589’).val(”); type1589=\$(‘#type1589’).val(”); subtype1589=\$(‘#subtype1589’).val(”); }); }); }); Explanation:- Answer : A
Q8. In the cables, the location of fault is
usually found out by comparing
A.  the resistance of the conductor
B.  the inductance of conductors
C.  the capacitance’s of insulated conductors
D.  all above parameters
 \$(document).ready(function(){ \$(‘#loaddata1590’).click(function(){ qid1590=\$(‘#qid1590’).val(); section1590=\$(‘#section1590’).val(); type1590=\$(‘#type1590’).val(); subtype1590=\$(‘#subtype1590’).val(); \$.post(‘../../fav’,{ qid:qid1590, section: section1590, type: type1590, subtype: subtype1590 },function(ajaxresult){ \$(‘#getrequest1590’).html(ajaxresult); qid1590=\$(‘#qid1590’).val(”); section1590=\$(‘#section1590’).val(”); type1590=\$(‘#type1590’).val(”); subtype1590=\$(‘#subtype1590’).val(”); }); }); }); Explanation:- Answer : C
Q9. A certain cable has an insulation of
relative permittivity 4. If the insulation
is replaced by one of relative permittivity
2, the capacitance of the cable will
become
A.  one half
B.  double
C.  four times
D.  none of the above
 \$(document).ready(function(){ \$(‘#loaddata1591’).click(function(){ qid1591=\$(‘#qid1591’).val(); section1591=\$(‘#section1591’).val(); type1591=\$(‘#type1591’).val(); subtype1591=\$(‘#subtype1591’).val(); \$.post(‘../../fav’,{ qid:qid1591, section: section1591, type: type1591, subtype: subtype1591 },function(ajaxresult){ \$(‘#getrequest1591’).html(ajaxresult); qid1591=\$(‘#qid1591’).val(”); section1591=\$(‘#section1591’).val(”); type1591=\$(‘#type1591’).val(”); subtype1591=\$(‘#subtype1591’).val(”); }); }); }); Explanation:- Answer : A
Q10. Capacitance grading of cable implies
A.  use of dielectrics of different permeabilities