According to the passage, the first refrigerated railcar used what material as a cooling agent?
Giải bởi Vietjack
Đáp án B
Theo như đoạn văn, chiếc xe tải làm lạnh đầu tiên đã sử dụng nguyên liệu nào như 1 chất làm mát?
A. khí ê-te. B. đá lạnh. C. khí a-mô-ni. D. CFC’s
Dẫn chứng ở đoạn 4: “He solved the shipping problem with the newly invented refrigerated railcar, which was insulated with ice bunkers in each end. Air came in on the top, passed through the bunkers, and circulated through the car by gravity” - (Ông đã giải quyết vấn đề về vận chuyển bằng 1 phát minh mới - xe tải làm lạnh, được trang bị các thùng chứa đá lạnh ở mỗi đầu. Khí lạnh từ đầu xe, đi qua các thùng chứa, và lưu thông bên trong xe bằng lực hút).
The word “constrained” in paragraph 4 is closest in meaning to______.
According to the passage, who was the first person to use artificial refrigeration for a practical purpose?
According to the passage, all of the following are true EXCEPT___________.
The word "rough"in the passage is closest in meaning to ___________.
How did Juliette Davidson benefit from the experience of her first job?
The passage suggests that industrialization in the West led to all of the following EXCEPT ______.
What is the main reason that people developed methods of refrigeration?
What can be inferred from paragraph 1 about cold storage before the invention of artificial refrigeration?
What is the main point the writer is trying to make in the last paragraph?
Artificial refrigeration involves all of the following processes EXCEPT______.
