Complete the 12 sentences below. Choose the best answer for each one.
1The actuator ............... maintain position within ±0.05 mm throughout the thermal soak.
Wrong!
Use "shall" for a binding specification requirement; should would make the tolerance advisory rather than mandatory.
2The bracket requires redesign ............... the fatigue test demonstrates a safety factor above 1.8.
Wrong!
Use "unless" to mean the redesign is not required except in the stated case.
3Under the qualification pressure, leakage shall be ............... 0.2 sccm.
Wrong!
Use "no greater than" for an upper limit on leakage rate.
4The drive ............... the interlock check has been logged.
Wrong!
Use "may be energized only after" to permit energizing solely once the interlock check has been completed.
5A 6 mm creepage distance is required ............... the insulation class selected.
Wrong!
Use "irrespective of" when the clearance requirement applies regardless of insulation class.
6The enclosure includes a vent path ............... pressure buildup during cell failure.
Wrong!
Use "to prevent" to state the design purpose of the vent path.
7The converter ............... operate while the protective earth is disconnected.
Wrong!
Use "shall not" because the following phrase defines a prohibited condition, not an allowed action.
8The prototype must complete ............... 10,000 load cycles before release to pilot production.
Wrong!
Use "at least" because the sentence requires a minimum number of successful cycles before release.
9Signal and power cables shall be routed in separate trays ............... the harness drawing specifies a certified separation barrier.
Wrong!
Use "except where" to carve out a specific case in which the general routing rule does not apply.
10Acceptance of the revised seal is ............... reproduction of the test result by an independent laboratory.
Wrong!
Use "contingent on" because acceptance depends on the independent laboratory reproducing the result.
11Under peak load, the beam deflection shall ............... 3 mm at midspan.
Wrong!
Use "not exceed" because the sentence sets a maximum allowable deflection.
12A hardwired emergency stop remains mandatory ............... any software mitigation claimed in the hazard analysis.
Wrong!
Use "notwithstanding" to mean the emergency-stop requirement still applies despite any software mitigation.
Exercise complete
0 out of 12
correct answers
Answers
- The actuator shall maintain position within ±0.05 mm throughout the thermal soak.
- The bracket requires redesign unless the fatigue test demonstrates a safety factor above 1.8.
- Under the qualification pressure, leakage shall be no greater than 0.2 sccm.
- The drive may be energized only after the interlock check has been logged.
- A 6 mm creepage distance is required irrespective of the insulation class selected.
- The enclosure includes a vent path to prevent pressure buildup during cell failure.
- The converter shall not operate while the protective earth is disconnected.
- The prototype must complete at least 10,000 load cycles before release to pilot production.
- Signal and power cables shall be routed in separate trays except where the harness drawing specifies a certified separation barrier.
- Acceptance of the revised seal is contingent on reproduction of the test result by an independent laboratory.
- Under peak load, the beam deflection shall not exceed 3 mm at midspan.
- A hardwired emergency stop remains mandatory notwithstanding any software mitigation claimed in the hazard analysis.