30 QUESTIONS FOR ECE SPEAKING TEST PART 1 Unit 1 Surveying 1 What is surveying? 1 What measurements are taken in surveying? 1 What is the difference between plane survey and geodetic survey? 1 What is the difference between horizontal plane and vertical plane? 1 What is geological survey? Unit 2 Construction materials 1 Can you name some traditional construction materials? 1 Can you name some modern construction materials? 1 What is cement? 1 What is concrete? 1 What kinds of material are people.