According to the ASME, the ____________________ is the most commonly used linear unit of measure for engineering drawings outside the United States.
Fill in the blank(s) with the appropriate word(s).
mm
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Growing points of orchids in culture form ________.
Fill in the blank(s) with the appropriate word(s).
A function of an angle is equal to the cofunction of the ____________________ of the angle.
Fill in the blank(s) with the appropriate word(s).
Researchers have developed new corn varieties known as “low-lysine” corn
Indicate whether the statement is true or false.
A J groove weld is to be made at a joint on the arrow side. The weld is to undergo a nondestructive radiographic test and the angle at which the test is to be made is 25° from vertical. Which of the following describes how this welding symbol will look?
A. The reference line has the symbol for a J groove weld under it. The notation "RT" is on the top of the reference line. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked. B. The reference line has the notation "RT" under it along with the symbol for a J groove weld. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked. C. Two parallel reference lines are used and they are both connected to the leader line. The lower reference line has the notation "RT" under it, and the upper reference line has the symbol for a J groove weld under it. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked. D. Two parallel reference lines are used and they are both connected to the leader line. The upper reference line has the notation "RT" under it, and the lower reference line has the symbol for a J groove weld under it. A special symbol in the shape of an asterisk is shown at an angle of 25° vertical from the weld, and the angle is marked. E. none of the above