Use long forms: does not \will not doesn't\ won't
Active -Eg.: If you do the task, I will chek. or
Passive -Eg.: If the task is done, it will be checked.
1) Not only the cleaning process (to involve)
labor costs, it may require special equipment, particularly if chemical cleaning (to involve)
2) Fresh deposits (to form)
only if the deposit bond resistance (to be)
greater than the prevailing shear forces at the solid–fluid interface.
3) Dissolution (to occur)ответ
only if there (to be)ответ
a change in the properties of the deposit.
4) If the temperature of the heat exchanger surface on the water side (to be)ответ
at or below 0°C, then a layer of ice (to form)ответ
on the surface.
5) If the solid (to be) ответ
on the shell side, it (to be)ответ
impossible to remove the tube bundle.
6) If the total thermal resistance (to increase) ответ
the amount of heat transferred through the surfaces (to decrease) ответ
.
7) If the layer of insulating material (to have) ответ
a high thermal resistance, higher than any other part of the heat exchanger, the total thermal resistance (to increase) ответ