Input: Read this: The continuous torque density of conventional electric machines is determined by the size of the air-gap area and the back-iron depth, which are determined by the power rating of the armature winding set, the speed of the machine, and the achievable air-gap flux density before core saturation. Despite the high coercivity of neodymium or samarium-cobalt PMs, continuous torque density is virtually the same amongst electric machines with optimally designed armature winding sets. Continuous torque density relates to method of cooling and permissible period of operation before destruction by overheating of windings or PM damage.
Question: What determines continuous torque density?

Output: size of the air-gap area and the back-iron depth

QUES: Other major sporting events include Thoroughbred and Quarter horse racing circuits at Remington Park and numerous horse shows and equine events that take place at the state fairgrounds each year. There are numerous golf courses and country clubs spread around the city.

Where are equine events hosted?
What is the answer?
ANS: state fairgrounds

QUES: The simplest method, used for small-scale production and often by hobbyists, is immersion etching, in which the board is submerged in etching solution such as ferric chloride. Compared with methods used for mass production, the etching time is long. Heat and agitation can be applied to the bath to speed the etching rate. In bubble etching, air is passed through the etchant bath to agitate the solution and speed up etching. Splash etching uses a motor-driven paddle to splash boards with etchant; the process has become commercially obsolete since it is not as fast as spray etching. In spray etching, the etchant solution is distributed over the boards by nozzles, and recirculated by pumps. Adjustment of the nozzle pattern, flow rate, temperature, and etchant composition gives predictable control of etching rates and high production rates.
Etching time is short compared to what?

ANS: unanswerable

During World War II, the islands were used as a top secret Royal Navy weather and radio station codenamed HMS Atlantic Isle, to monitor Nazi U-boats (which were required to maintain radio contact) and shipping movements in the South Atlantic Ocean. The first Administrator, Surgeon Lieutenant Commander E.J.S. Woolley, was appointed by the British government during this time.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): By who was the second administrator appointed?
Ah, so.. unanswerable

Question: Banner Armies were organized along ethnic lines, namely Manchu and Mongol, but included non-Manchu bondservants registered under the household of their Manchu masters. The years leading up to the conquest increased the number of Han Chinese under Manchu rule, leading Hong Taiji to create the Eight Han Banners (zh), and around the time of the Qing takeover of Beijing, their numbers rapidly swelled. Han Bannermen held high status and power in the early Qing period, especially immediately after the conquest during Shunzhi and Kangxi's reign where they dominated Governor-Generalships and Governorships across China at the expense of both Manchu Bannermen and Han civilians. Han also numerically dominated the Banners up until the mid 18th century. European visitors in Beijing called them "Tartarized Chinese" or "Tartarified Chinese". It was in Qianlong's reign that the Qianlong Emperor, concerned about maintaining Manchu identity, re-emphasized Manchu ethnicity, ancestry, language, and culture in the Eight Banners and started a mass discharge of Han Bannermen from the Eight Banners, either asking them to voluntarily resign from the Banner rolls or striking their names off. This led to a change from Han majority to a Manchu majority within the Banner system, and previous Han Bannermen garrisons in southern China such as at Fuzhou, Zhenjiang, Guangzhou, were replaced by Manchu Bannermen in the purge, which started in 1754. The turnover by Qianlong most heavily impacted Han banner garrisons stationed in the provinces while it less impacted Han Bannermen in Beijing, leaving a larger proportion of remaining Han Bannermen in Beijing than the provinces. Han Bannermen's status was decreased from that point on with Manchu Banners gaining higher status. Han Bannermen numbered 75% in 1648 Shunzhi's reign, 72% in 1723 Yongzheng's reign, but decreased to 43% in 1796 during the first year of Jiaqing's reign, which was after Qianlong's purge. The mass discharge was known as the Disbandment of the Han Banners (zh). Qianlong directed most of his ire at those Han Bannermen descended from defectors who joined the Qing after the Qing passed through the Great Wall at Shanhai Pass in 1644, deeming their ancestors as traitors to the Ming and therefore untrustworthy, while retaining Han Bannermen who were descended from defectors who joined the Qing before 1644 in Liaodong and marched through Shanhai pass, also known as those who "followed the Dragon through the pass" (; cong long ru guan).
Try to answer this question if possible: What did the Europeans call Han Bannermen?
Answer: "Tartarized Chinese" or "Tartarified Chinese"

Problem: The site where the Saint Petersburg Passage sprawls had been devoted to trade since the city's foundation in the early 18th century. It had been occupied by various shops and warehouses (Maly Gostiny Dvor, Schukin Dvor, Apraksin Dvor) until 1846, when Count Essen-Stenbock-Fermor acquired the grounds to build an elite shopping mall for the Russian nobility and wealthy bourgeoisie. Stenbock-Fermor conceived of the Passage as more than a mere shopping mall, but also as a cultural and social centre for the people of St Petersburg. The edifice contained coffee-houses, confectioneries, panorama installations, an anatomical museum, a wax museum, and even a small zoo, described by Dostoyevsky in his extravaganza "Crocodile, or Passage through the Passage". The concert hall became renowned as a setting for literary readings attended by the likes of Dostoevsky and Turgenev. Parenthetically, the Passage premises have long been associated with the entertainment industry and still remains home to the Komissarzhevskaya Theatre.
When was Saint Petersburg established?
---
Answer:
early 18th century