空调安装上岗资质题（Air conditioning installation qualification questions）.doc

空调安装上岗资质题（Air conditioning installation qualification questions） Published in the 2012-4-10 13:03:13 | only see the author of 2012 outlets signing air conditioning installation Posts qualification certification examination questions B Company: outlets Name: ID: score: First, fill in the blanks (each of 2 points, a total of 20 points) The power used by the 1 air conditioners, more than one-way 220 V 50 Hz civil alternating current. The range of - 10%, 198 V ~ 242 V, easy to cause the air conditioner does not work properly or damaged beyond this range. 2, the air conditioning refrigeration operation, if the set temperature is higher than the indoor temperature, outdoor machine is not running. 3, R410A new refrigerant air conditioning installation is vacuum air exhaust 4, check the box machine, should check the invoice, the machine carefully, ensure goods, tickets, three single unified. 5, wall mounted air-conditioning installed within the bottom position in the general machine to the ground height is 1.8 to 2.2 meters, 0.6 meters above the lower end away from the obstacle. 6, 2 meters above the high-altitude operations must use safety belts, safety belts should be low hanging, avoid swinging collision; if low hanging high in the event of a crash, will increase its impact. 7, in order to ensure the safety of air conditioning installation, please do not make the connection operation when energized. 8, door-to-door service for users of security measure power, security risks mainly include user electric wire, ground wire and the lack of lack of zero line and zero phase 9, air conditioning installation, when the outdoor machine is higher than indoor machine when the return pipe should be a lot of oil return bend. 10, for the ordinary room, per square meter for heating is about 220W, then a 1.5P air conditioning heating and electric heating in 400W is put into operation, can be applied to the room of about 18 square meters. Two, choice (totaling 50 points) (a) RadioButtonLi