ONLINE MCQ EE-ELECTRIC WELDING 6

Q51. In electrical resistance welding the greatest resistance is offered by which of the following ?
 A.  Metal surface
 [Wrong Answer]
 B.  Contact point of electrode with metal top
 [Wrong Answer]
 C.  Contact point of electrode with metal bottom
 [Wrong Answer]
 D.  Contact layer o f meta ls to be welded
 [Correct Answer]
$(document).ready(function(){
$(‘#loaddata1374’).click(function(){
qid1374=$(‘#qid1374’).val();
section1374=$(‘#section1374’).val();
type1374=$(‘#type1374’).val();
subtype1374=$(‘#subtype1374’).val();
$.post(‘../../fav’,{ qid:qid1374, section: section1374, type: type1374, subtype: subtype1374 },function(ajaxresult){
$(‘#getrequest1374’).html(ajaxresult);

qid1374=$(‘#qid1374’).val(”);
section1374=$(‘#section1374’).val(”);
type1374=$(‘#type1374’).val(”);
subtype1374=$(‘#subtype1374’).val(”);
});
});
});

 

Q52. Arc blow (a welding defect) is generally encountered in
 A.  arc welding using A.C. current
 [Wrong Answer]
 B.  arc welding using D.C. current
 [Correct Answer]
 C.  thermit welding
 [Wrong Answer]
 D.  gas welding
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1375’).click(function(){
qid1375=$(‘#qid1375’).val();
section1375=$(‘#section1375’).val();
type1375=$(‘#type1375’).val();
subtype1375=$(‘#subtype1375’).val();
$.post(‘../../fav’,{ qid:qid1375, section: section1375, type: type1375, subtype: subtype1375 },function(ajaxresult){
$(‘#getrequest1375’).html(ajaxresult);

qid1375=$(‘#qid1375’).val(”);
section1375=$(‘#section1375’).val(”);
type1375=$(‘#type1375’).val(”);
subtype1375=$(‘#subtype1375’).val(”);
});
});
});

 

Q53. Which of the following automatic weld­ing processes is likely to give maximum rate of metal deposition ?
 A.  Continuous flux covered electrode
 [Wrong Answer]
 B.  Multiple power submerged arc
 [Correct Answer]
 C.  Gas shielded bare wire
 [Wrong Answer]
 D.  Submerged arc (single wire)
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1376’).click(function(){
qid1376=$(‘#qid1376’).val();
section1376=$(‘#section1376’).val();
type1376=$(‘#type1376’).val();
subtype1376=$(‘#subtype1376’).val();
$.post(‘../../fav’,{ qid:qid1376, section: section1376, type: type1376, subtype: subtype1376 },function(ajaxresult){
$(‘#getrequest1376’).html(ajaxresult);

qid1376=$(‘#qid1376’).val(”);
section1376=$(‘#section1376’).val(”);
type1376=$(‘#type1376’).val(”);
subtype1376=$(‘#subtype1376’).val(”);
});
});
});

 

Q54. During resistance weldingheat produced at the joint is proportional to
 A.  I2R
 [Correct Answer]
 B.  kVA
 [Wrong Answer]
 C.  current
 [Wrong Answer]
 D.  Voltage
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1377’).click(function(){
qid1377=$(‘#qid1377’).val();
section1377=$(‘#section1377’).val();
type1377=$(‘#type1377’).val();
subtype1377=$(‘#subtype1377’).val();
$.post(‘../../fav’,{ qid:qid1377, section: section1377, type: type1377, subtype: subtype1377 },function(ajaxresult){
$(‘#getrequest1377’).html(ajaxresult);

qid1377=$(‘#qid1377’).val(”);
section1377=$(‘#section1377’).val(”);
type1377=$(‘#type1377’).val(”);
subtype1377=$(‘#subtype1377’).val(”);
});
});
});

 

Q55. Resistance welding cannot be used for
 A.  dielectrics
 [Correct Answer]
 B.  ferrous materials
 [Wrong Answer]
 C.  non-ferrous metals
 [Wrong Answer]
 D.  any of the above
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1378’).click(function(){
qid1378=$(‘#qid1378’).val();
section1378=$(‘#section1378’).val();
type1378=$(‘#type1378’).val();
subtype1378=$(‘#subtype1378’).val();
$.post(‘../../fav’,{ qid:qid1378, section: section1378, type: type1378, subtype: subtype1378 },function(ajaxresult){
$(‘#getrequest1378’).html(ajaxresult);

qid1378=$(‘#qid1378’).val(”);
section1378=$(‘#section1378’).val(”);
type1378=$(‘#type1378’).val(”);
subtype1378=$(‘#subtype1378’).val(”);
});
});
});

 

Q56. Welding leads have
 A.  high flexibility
 [Wrong Answer]
 B.  high current handling capacity
 [Wrong Answer]
 C.  both (a) and (b)
 [Correct Answer]
 D.  none of the above
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1379’).click(function(){
qid1379=$(‘#qid1379’).val();
section1379=$(‘#section1379’).val();
type1379=$(‘#type1379’).val();
subtype1379=$(‘#subtype1379’).val();
$.post(‘../../fav’,{ qid:qid1379, section: section1379, type: type1379, subtype: subtype1379 },function(ajaxresult){
$(‘#getrequest1379’).html(ajaxresult);

qid1379=$(‘#qid1379’).val(”);
section1379=$(‘#section1379’).val(”);
type1379=$(‘#type1379’).val(”);
subtype1379=$(‘#subtype1379’).val(”);
});
});
});

 

Q57. During arc welding as the thickness of the metal to be welded increases
 A.  current should decrease, voltage should increase
 [Wrong Answer]
 B.  current should increase, voltage remaining the same
 [Correct Answer]
 C.  current should increase, voltage should decrease
 [Wrong Answer]
 D.  voltage should increase, current- remaining the same
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1380’).click(function(){
qid1380=$(‘#qid1380’).val();
section1380=$(‘#section1380’).val();
type1380=$(‘#type1380’).val();
subtype1380=$(‘#subtype1380’).val();
$.post(‘../../fav’,{ qid:qid1380, section: section1380, type: type1380, subtype: subtype1380 },function(ajaxresult){
$(‘#getrequest1380’).html(ajaxresult);

qid1380=$(‘#qid1380’).val(”);
section1380=$(‘#section1380’).val(”);
type1380=$(‘#type1380’).val(”);
subtype1380=$(‘#subtype1380’).val(”);
});
});
});

 

Q58. The tips of the electrodes, for spot weld­ing, are made of
 A.  copper alloy
 [Correct Answer]
 B.  porcelain
 [Wrong Answer]
 C.  mica
 [Wrong Answer]
 D.  carbon
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1381’).click(function(){
qid1381=$(‘#qid1381’).val();
section1381=$(‘#section1381’).val();
type1381=$(‘#type1381’).val();
subtype1381=$(‘#subtype1381’).val();
$.post(‘../../fav’,{ qid:qid1381, section: section1381, type: type1381, subtype: subtype1381 },function(ajaxresult){
$(‘#getrequest1381’).html(ajaxresult);

qid1381=$(‘#qid1381’).val(”);
section1381=$(‘#section1381’).val(”);
type1381=$(‘#type1381’).val(”);
subtype1381=$(‘#subtype1381’).val(”);
});
});
});

 

Q59. Steel pipes are manufactured by
 A.  argon arc welding
 [Wrong Answer]
 B.  thermit welding
 [Wrong Answer]
 C.  resistance welding
 [Correct Answer]
 D.  arc welding
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1382’).click(function(){
qid1382=$(‘#qid1382’).val();
section1382=$(‘#section1382’).val();
type1382=$(‘#type1382’).val();
subtype1382=$(‘#subtype1382’).val();
$.post(‘../../fav’,{ qid:qid1382, section: section1382, type: type1382, subtype: subtype1382 },function(ajaxresult){
$(‘#getrequest1382’).html(ajaxresult);

qid1382=$(‘#qid1382’).val(”);
section1382=$(‘#section1382’).val(”);
type1382=$(‘#type1382’).val(”);
subtype1382=$(‘#subtype1382’).val(”);
});
});
});

 

Q60. A SWG electrode usually operates in the current range
 A.  300 to 400 amperes
 [Wrong Answer]
 B.  95 to 135 amperes
 [Correct Answer]
 C.  50 to 65 amperes
 [Wrong Answer]
 D.  20 to 30 amperes
 [Wrong Answer]
$(document).ready(function(){
$(‘#loaddata1383’).click(function(){
qid1383=$(‘#qid1383’).val();
section1383=$(‘#section1383’).val();
type1383=$(‘#type1383’).val();
subtype1383=$(‘#subtype1383’).val();
$.post(‘../../fav’,{ qid:qid1383, section: section1383, type: type1383, subtype: subtype1383 },function(ajaxresult){
$(‘#getrequest1383’).html(ajaxresult);

qid1383=$(‘#qid1383’).val(”);
section1383=$(‘#section1383’).val(”);
type1383=$(‘#type1383’).val(”);
subtype1383=$(‘#subtype1383’).val(”);
});
});
});

 

COAL INDIA LIMITED(CIL) REASONING PRACTICE SET-Coding-Decoding
ONLINE MCQ EE-ELECTRIC WELDING 5

Leave a Reply