How to Use "sec" with Example Sentences

1. I have used nd filter and exposure was 47 sec .

2. 4 Sec backup pumps within the secondary loop automatically turn on .

3. 0 Sec the pumps in the secondary loop shut down automatically , due to a slight malfunction .

4. 4 Min 30 sec operators observe that the water level in the primary system is rising and that the pressure is decreasing .

5. 3 Sec the porv ( pressure relief valve ) opens automatically , releasing steam into a holding tank .