Tính hệ số dẫn nhiệt của nitrobenzene lỏng ở 120 o C, biết ở 30 o
C nhiệt dung riêng
của nitrobenzene lỏng là 1380 J/kg. o
C, khối lượng riêng là 1200 kg/m3
, hệ số nhiệt độ
của nitrobenzene lỏng là 8,7.10-4
.

If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.

Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed

The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.