Е. С. Закирова, П. А. Красавин Английский язык для технических вузов


The text contains different mistakes: 4 — in spelling, 3 — in grammar. Cor-



Pdf көрінісі
бет136/267
Дата06.09.2022
өлшемі4,38 Mb.
#148861
түріУчебник
1   ...   132   133   134   135   136   137   138   139   ...   267
Байланысты:
doc7608079 607043726

3. The text contains different mistakes: 4 — in spelling, 3 — in grammar. Cor-
rect the mistakes and rewrite the text.
Casting is one of the main manufacturing proceses. Casting is a process 
of poring molten metall into a mold where it solidify into the shape of a mold. 


158
Casting was well establish in the Bronze Age when it was use to form bronze 
pieces now found in muzeums.
4. Answer these multiple-choice questions about engineering materials tech-
nology.
1. 
What operations does forging include?
A. casting, forging, pressing
B. drawing out, upsetting, squeezing in compression dies
C. forming, cutting, joining
2. 
What processes does final metallurgy embrace?
 
A. rolling, forging, drawing
B. rolling, extrusion, drawing
C. forging, casting, drawing
3.
 What kinds of casting do you know?
 
A. sand casting, spin casting, shell casting, die casting
B. mold casting, sand casting, die casting, spin casting
C. sand casting, shell-mold casting, die casting, spin casting
4. 
What temperatures can forging operations be performed at?
 
A. at various temperatures
B. above the recrystallization temperature
C. below the recrystallization temperature
5. 
What processes does metalworking include?
 
A. forming, cutting
B. forming, joining
C. forming, cutting, joining
6. 
What is extrusion?
 
A. is a process when material is pushed through a die of the desired cross 
section
B. is a process in which metal stock is passed through a pair of rolls
C. is a process which uses tensile forces to stretch metal
7. 
What is drawing?
A. is a process when material is pushed through a die of the desired cross 
section
B. is a process in which metal stock is passed through a pair of rolls
C. is a process which uses tensile forces to stretch metal


159


Достарыңызбен бөлісу:
1   ...   132   133   134   135   136   137   138   139   ...   267




©engime.org 2024
әкімшілігінің қараңыз

    Басты бет