Unit 10

• Engels
• MBO
• Studiejaar 4

Types of failure of metal parts that can lead to bridge collapse

• usually due to stress such as excessive compression (squeezing, pushing) 

or

• tension (stretching, pulling)

Fracture = separation of an object into two or more pieces due to long term stress or sudden impact

Fatigue = weakening occurs when a metal is exposed to cyclic, or repeated, loads over a long period of time 

33

Thermal shock: cracking of the metal caused by rapid temperature change

Answers 6

34

Third conditional: If we ... (arrive) earlier, we ...(see) John but we were much too late.

1. arrived, saw
2. had arrived, would see
3. had arrived, would have seen
4. arrived, would see

Third conditional:
If we .............. (not go) to the party, we ............. (not meet) them.

1. don't go / won't meet
2. went / wouldn't meet
3. hadn't gone / wouldn't have met
4. had gone / would have met

Third conditional. Complete the sentence:
She ............................... tired if she ....................... (go) to bed earlier

1. wouldn't have been / had gone
2. wouldn't have been / had went
3. wouldn't have were/ had gone
4. wasn't / went

Third conditional. Complete the sentence:
He ....................... (be) on time for the interview if he ................. (leave) the house at nine.

1. would have been / had left
2. was / left
3. will be / leaves
4. is / leaves