Railways
NTPC (Technical Ability)
Metrology and Inspection
Question Bank
Metrology and Inspection
question_answer
Earning in Rowan system\[=R\times {{T}_{\alpha }}+\frac{{{T}_{s}}-{{T}_{a}}}{{{T}_{s}}}\,{{T}_{\alpha }}R,\] Earning in \[50%\] Halsey plan \[=R\times {{T}_{\alpha }}+p({{T}_{s}}-{{T}_{a}})\,R,\] where R = hourly rate, \[{{T}_{\alpha }}\]actual completion time of tank, \[{{T}_{s}}\]= standard time of task, p = percentage allowed. Both Rowan system and \[50%\] Halsey plane will provided the same bearing when the actual time is: