Description : Are electric motors used in the refrigerator!
Last Answer : Do you have a plug that you insert into a wall socket? If so, then yes.
Description : How many types of electric motors ?
Last Answer : 2 types of electric motors.
Description : Do surplus electric motors normally not work very well?
Last Answer : Surplus electric motors do usually work very well. I am thinking that you could have accidentally broken it when you bought it. I would bring it back to the store just in case!
Description : Can you still get up and go with electric car motors?
Last Answer : Most electric cars have a top speed limit of around 70mph. I would find a dealership, and then I would contact someone in customer service with any questions. They should be able to assist you and point you in the right direction.
Description : Moisture accumulating in electric motors and generator windings having a cold insulation resistance greater than 50,000 ohms may be baked out with internal heat. This heat can be developed by ____________. ... an electric welder and feeding it into the armature while running the motor at full speed
Last Answer : Answer: A
Description : Universal motors will operate on AC or DC current, and are generally found in _____________. A. portable tools B. large pump motors C. turbo electric main motors D. forced draft fans
Description : Electric motors intended for use outside the engine room and boiler room are frequently rated to run at a designed ambient temperature of 40°C. What is the equivalent temperature in degrees Fahrenheit? A. 54.2°F B. 72.0°F C. 104.0°F D. 129.6°F
Last Answer : Answer: C
Description : The failure of ball bearings used in electric motors can result from _____________. A. failure to clean the bearing before repacking B. failure to maintain proper alignment C. excess lubrication forcing the bearing full of grease and eliminating all areas of expansion D. all of the above
Last Answer : Answer: D
Description : When disassembling electric motors for maintenance or overhaul, ________________. A. punch mark frame and end bells for proper assembly B. wrap bearings in lint free cloths if they are to be reused C. tag and store small parts in a box D. all of the above
Description : Which of the following electric motors would be the safest and most reliable to use on the main deck of a vessel in foul weather conditions? A. Sealed motors B. Drip proof motors C. Enclosed motors D. Watertight motors
Description : How Many Types Of Electric Motors Are There?
Last Answer : Mainly there are two types of electric motors: AC motors DC motors
Description : What Is Electric Motors?
Last Answer : An electric motor is an electrochemical device that converts electrical energy into mechanical energy. Most electric motors operate through the interaction of magnetic field and current carrying conductors to generate force.
Description : Which of the following is not a source of industrial noise? A. Automobile ignition B. Sun C. Electric Motors D. Leakage from high voltage line
Last Answer : B. Sun
Description : The compound of silicon used as insulating material for electric motors/appliances is
Last Answer : silicone.
Description : Match List -I (Bearings) with List-II (Applications) and select the using the codes given below the lists: [IAS-1998] List -I List-II A. Journal bearing 1. Electric motors B. Thrust bearing 2. Watches C. Conical pivot bearing 3. Marine ... D (a) 3 4 1 2 (b) 4 2 1 3 (c) 3 4 2 1 (d) 4 2 3 1
Last Answer : (c) 3 4 2 1
Description : Products on which labeling is voluntary are a) Electric geysers b) Induction motors b) Ceiling fans d) All of the above
Last Answer : All of the above
Description : DC motors converts electrical into ___ energy. A. Mechanical B. Wind C. Electric D. None
Last Answer : A. Mechanical
Description : State types of enclosures for electric motors.
Last Answer : Types of enclosures for Electric Motor: i) Open type enclosure:- ii) Screen Protected enclosure iii) Drip proof (moisture) enclosure: iv) Flame (Fire) proof enclosure:- v) Totally enclosed type enclosure:- vi) Pipe ventilated totally enclosed type enclosure:
Description : Suggest electric motors for i) traction ii) crane iii) lathe machine iv) domestic fan.
Last Answer : i) Traction :- DC Series motor ii) Crane :- DC Series motor iii) Lathe machine :- 3 phase Induction motor or DC shunt motor iv) Domestic fan :- 1 phase induction motor
Description : State which electric motors are generally used in electro agro systems with reason.
Last Answer : 1) 3 phase induction motor is used in electro agro system for water pumping from wells as 3 phase ac supply is easily available, cost of induction motor is less, maintenance free being rugged ... as 1 phase ac supply is easily available for domestic purpose, repair is simple and easily available.
Description : Define load equalisation for electric motors. Explain how it is obtained for electric motors.
Last Answer : Define load equalization for electric Motor: There are many types of load which are fluctuating in nature e.g. wood cutting m/c, Rolling mill. Etc. For such type of loads, load equalization is ... increases so cost of cable increases, Hence it is necessary to smooth out load fluctuations on motor.
Description : Carbon brushes are used in electric motors to: (1) Brush off carbon deposit on the commutator (2) Provide a path for flow of current (3) Prevent overheating of armature windings (4) Prevent sparking during commutation
Last Answer : Carbon brushes are used in electric motors to: Provide a path for flow of current.
Description : The efficiencies of transformers compared with that of electric motors of the same power are?
Last Answer : Transformers have high efficiency than the same ratted motors
Last Answer : A direct online starter is used for starting motors up to 5 H.P.