Description : How to carry out a maintenance operation on an AC?
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Description : How do you carry out a maintenance operation on an AC?
Last Answer : By checking it regularly and refilling it back as soon as it got finished, you have also consult the expert in charge to help you out cus it might not be easy for you only to do
Description : Use Preventive Maintenance to Avoid Auto AC Repair Bills?
Last Answer : Many new model vehicles come equipped with a feature known as climate control. Climate control is part of the heating-cooling-ventilating system included in the vehicle and is commonly referred to ... must be replaced periodically in order for the air management system to operate correctly. A clo
Description : An advantage of DC motors over AC motors is that they _____________. A. are less expensive B. require less maintenance C. offer infinite speed variation D. all of the above
Last Answer : Answer: C
Description : An advantage of DC motors over AC motors is that they _____________. A. are less expensive B. require less maintenance C. can be started across the line D. offer a more effective means of controlling speed
Last Answer : Answer: D
Description : Compare AC & DC track circuits on i) Length of circuit ii) Application iii) Effect of stray currents. iv) Maintenance
Last Answer : Ans: i) Length of circuit - a) AC track circuit is having long length upto 3 to 5 km b) DC track circuit is having short length ii)Application -a) AC track circuit is used ... ) Maintenance - a) AC track circuit has easier and cheaper maintenance b) DC track circuit has complicated maintenance
Description : Which of the following statements concerning the maintenance of solid-silver contacts in relays and auxiliary control circuits is correct? A. When necessary, they should always be dressed with a ... they should be held together with moderate pressure while emery paper is drawn between the contacts.
Last Answer : Answer: B
Description : State any four periodical maintenance which is necessary in transformer to achieve energy conservation.
Last Answer : Periodical maintenance necessary in transformer to achieve energy conservation: Proper periodical maintenance leads in Energy conservation 1) Check Voltage, current, temperature and other parameters. 2) ... breather and silica gel. 5) Check cooling arrangement. 6) Check Insulation resistance.
Description : If an hfc-134a AC system still has pressure after the first refrigerant recovery process is complete additional recovery is necessary until the system vacuum level remains stable for?
Last Answer : 5
Description : What are the necessary training requirements and credentials for a career in AC repair?
Last Answer : You will need certification. You will also need to decide whether to be a contractor, or work for a business.
Description : Why starter is necessary to start the AC motor?
Last Answer : a. At the time of starting motor starting current is high (4 to 5 times). Therefore if motor is directly started the supply voltage may be disturb. b. By the help of starters starting and ... . d. Protect the motor from no-voltage and its difficulties. e. Permits automatic control when required.
Description : In the output of an ac error detector, what indicates the (a) direction and (b) amount of control necessary for correspondence?
Last Answer : (a) Phase. (b) Amplitude.