- •Vocabulary
- •Give English equivalents.
- •2. Ask questions according to the models.
- •3. Supply prepositions.
- •4. Complete the sentences. Choose the right word from the list. There are more words than necessary!
- •5. Answer the questions.
- •6. TranslateintoEnglish.
- •7. Write a dictation.
- •Vocabulary
- •1. Choose the proper verb form.
- •2. Answer the questions.
- •Vocabulary
- •1. GiveEnglishequivalents:
- •2. Complete the sentences:
- •3. Give English equivalents to the words in brackets:
- •4.Self-assessment questions:
- •5. Translate into English:
- •1. Translate the word combinations into Russian and use them in your own sentences.
- •2. Choose the proper verb form, active or passive.
- •Vocabulary
- •1. TranslateintoEnglish.
- •2. Supply the proper preposition.
- •Vocabulary
- •Give English equivalents:
- •Answer the questions according to the models:
- •Match the type of the boiler with its principle of classification:
- •Self-assessment questions:
- •5.Translate into English:
- •1. Find the corresponding English translation in the text and memorize the words.
- •2. Put questions to the sentences.
- •Vocabulary
- •1. Give answers to the questions:
- •2. Translate into English:
- •Vocabulary
- •1.Give English equivalents:
- •2. Ask questions according to the model:
- •3. Complete the sentences:
- •4. Answer the questions:
- •5. Translate into English.
- •2. Translate the word combinations and use them in your own sentences.
- •Vocabulary
- •1. Supply prepositions.
- •2. Answer the questions.
- •Vocabulary
- •1. GiveEnglishequivalents:
- •2.Change these sentences using the modal verbs may, can, must:
- •3. Change these sentences into the passive:
- •4. Supply prepositions:
- •5. Answer the questions:
- •6. TranslateintoEnglish:
- •2. Complete the sentences.
- •Vocabulary
- •1. Change these sentences using the modal verbs may, can, must:
- •2. Change these sentences into the passive:
- •Vocabulary
- •1. Give English equivalents.
- •2. Supply prepositions.
- •3.Self-assessment questions.
- •4. Translate the words into Russian.
- •5. Choose the proper verb and put it into the correct form. There are more verbs than necessary.
- •6. Translate into English:
- •Unit VI. The superheater
- •Vocabulary
- •1. GiveEnglishequivalents:
- •Saturation, inlet, tubes, outlet, drums, safety valve, uptake, headers
- •3. Answer the questions:
- •Vocabulary
- •1. GiveEnglishequivalents:
- •2. Insert prepositions and conjunctions:
- •3. Answer the questions:
- •4. Translate the phrases containing comparatives and superlatives:
- •5. Translate into English:
- •1. Find English equivalents in the text.
- •2. Write down all the imperative phrases typical for this instruction.
- •3. Put questions to the sentences.
- •Vocabulary
- •1. Combine these pairs of sentences by using “if”.
- •2. TranslateintoEnglish.
- •Irregularities in operation, causes and remedies
- •Vocabulary
- •1. Replace the imperative sentences (remedy) by the following structures:
- •2. Translate these phrases into Russian:
1. Combine these pairs of sentences by using “if”.
Model. Serious leaks occur. The engineer takes the boiler out of service. If serious leaks occur, the engineer takes the boiler out of service. |
The water drops out of sight. The lower try cock should be opened.
The boiler must be shut down immediately. Water gets into the steam piping.
The boiler is to be taken off the line. Soot burns in flues.
Shut down the plant at once. There is a failure of equipment.
There is a fire in the boiler-room. The boiler must be taken off the line.
There is failure of all feeding systems. The boiler is to be taken of the line.
2. TranslateintoEnglish.
1.Остановка котла может быть запланированной или вынужденной из-за
поломки оборудования.
2. В случае упуска воды котел должен быть немедленно остановлен.
3. Течи в трубах котла ликвидируются с помощью пробок или сваркой.
4.Для уменьшения давления пара в котле следует открыть
предохранительный клапан.
5. Очистите трубы и коллекторы от накипи.
6. Водомерную колонку следует снять и очистить.
7. Проверьте и замените сальники клапанов.
TEXT C
Irregularities in operation, causes and remedies
S Y M P T O M |
C A U S E |
R E M E D Y |
The water level in the boiler rising |
1. Faulty automatic water regulating arrangement.
2. Penetration of solid particles under the water level regulator. |
1. Repair the automatic water regulating arrangement or change to manual control of the water level.
2. Shut off the cut-off feed valve, dismantle the water level regulator, remove the particles from the valve seat and the disc.
|
Loss of water level
|
1. Faulty automatic water level regulator.
2. The blow down valves are not tight enough.
3. The boiler tubes and manifolds are not tight.
4. Faulty feed pump.
|
1. Repair the regulator or change to manual control of the water level.
2. Shut down the boiler, let it cool, drain the boiler, repair or replace the valve.
3. Shut down the boiler for repairs.
4. Eliminate the fault and put the spare pump in operation.
|
Safety valve is closed |
1. Steam pressure in the boiler is rising.
2. Faulty safety valve.
3. Wrong adjustment of the safety valve. |
1. Lower the steam pressure to the required level.
2. Shut down the boiler, repair or replace the safety valve.
3. Adjust the safety valve to the required pressure.
|
The boiler will not light |
1. There is some water in the fuel.
2. Faulty oil burning arrangement.
|
1. Drain the sediment out of the fuel tank.
2. Repair or replace the oil burning arrangement. |
Boiler automatic operation program is effected wrongly |
Faulty automatic system |
Eliminate the fault or change to manual control.
|