RRB Government Jobs Exams General Ability General Knowledge

the following electrodes produce least welds in stainless steel :

1) pure tungsten
2) zirconia tungsten
3) thoriated tungsten
4) none

Read Solution (Total 4)

RRB Other Question
A dot matrix printer usually employs a matrix of :

1) 7*10
2) 7*5
3) 7*4
4) 8*5
 The mean temperature from 9th to the 16th of january , both days inclusive, was 11.6*c and from the 10th to the 17th was 12.2*c. the temperature on the 9th was 10.8*c. what was it on the 17th?
(a)15.6*c (b) 16.6*c (C)11.6*c (d) none