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МатематикаВопрос:
2 Read the encyclopedia entry. Then, mark the following statements as true (T) or false (F). 1 Air enters the cylinder through the valves. 2 Fuel is compressed by the piston. 3 The crankshaft connects to the sparkplug.
Ответ:
Ответ:
- 1 - True
- 2 - True
- 3 - False
Похожие
- 1 Before you read the passage, talk about these questions. 1 Where are pistons located in a car's engine? 2 What are the main parts of a car's engine?
- 3 Match the words (1-6) with the definitions (A-F). 1 engine block 4 piston ring 2 connecting rod 5 spark plug 3 crankcase 6 head A body of engine B holds large shaft in engine C creates tight seal D top part of engine E transfers power from piston F causes explosion
- 4 Fill in the blanks with the correct words from the word bank. Word BANK piston cylinder sump crankshaft valve 1 A controls the flow of air into an engine. 2 The holds the engine's supply of oil. 3 The spark plug fires in the 4 The moves up and down in a cycle. 5 The connecting rod powers the
- 5 Listen and read the encyclopedia entry again. How does an internal combustion engine supply energy to the rest of a vehicle?
- 6 Listen to a conversation between an experienced mechanic and a new mechanic working on an engine. Check (✔) the causes of the engine failure. 1 bad spark plugs 4 worn piston rings 2 oil leak 5 broken piston 3 cracked sump
- 7 Listen again and complete the conversation. Mechanic 1: I'm still 1 what caused the engine to fail. Mechanic 2: I'm pretty certain that it was an 2 Mechanic 1: Really? I was thinking 3 Mechanic 2: It couldn't be that. The spark plugs are old, but they aren't 4 Mechanic 1: So the sump is cracked? Mechanic 2: The sump 5 Mechanic 1: It isn't? But then 6 an oil leak? Mechanic 2: Look inside the cylinder and tell me what you see. Mechanic 1: The walls are discolored and damaged. It looks really dirty too. Mechanic 2: Exactly. Do you have any idea what caused that? Mechanic 1: My guess is that oil got in there. Ah, so it was the piston rings. Mechanic 2: Exactly. They wore out and oil leaked into the chamber.
- 8 With a partner, act out the roles below based on Task 7. Then switch roles. USE LANGUAGE SUCH AS: Nothing is wrong with the ... The ... is not the problem. It has to be the ... Student A: You are a new mechanic. Talk to Student B about: what you think caused the engine to fail what parts you checked why you think one is the cause Student B: You are an experienced mechanic. Talk to Student A about why each part is not the problem and which one is.
- 9 Use the conversation from Task 8 to fill out the engine problem diagnosis form. Frank's Garage Engine Failure Diagnosis Parts checked: Cause determined: Y/N Describe what you suspect caused the problem:
