Recent questions tagged in

Description : What are the rules of an ex-wife turning in an ID Card?

Last Answer : Where do you live? This could be a question for your VA Rep or if you live in Texas (or served in Texas) you could contact the Texas Veterans Commission. I have a relative that works for them and I’ll ask for clarification.

Description : State the insulating materials used in motor. Write temperature class and withstand temperature ranges for them. 

Last Answer : The insulating materials used in motor are as belows: 1. Cotton, 2. Silk, or paper, 3. Press board, 4. Resins 5. PVC 6. Cellulose-Fiber, 7. Enameled coating, etc  ... Over 180° Mica, porcelain, ceramics, glass quartz, asbestos, treated glass fiber or treated asbestos. etc.

Description : State any two advantages of MCB over Fuse. State the standard specifications of MCB available in the market.  

Last Answer : Following advantages of MCB over Fuse: 1. No need of replacement of fuse wire. 2. Manually restore of supply is simple. 3. Fault understanding by visual inspection 4. More safe than fuse The standard specifications of ... 6A, 10A,16A,20A, 25A, 30A, 32A, 40A, 50A, 60A and 63A 6. 250V and 450 v

Description : State different types of holders used in wiring installation.

Last Answer : Following types of holders used in wiring installation: 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder 

Description : Safety practices in foundry

Last Answer : 1. Even trace amounts of MOISTURE and MOLTEN METAL don't mix; Steam explosions are the cause of death in foundries. 2. NEVER put water on a metal fire. This can cause a HUGE EXPLOSION ... operation. 16. Educate yourself beforehand and always be careful of your own and bystander safety.

Description : Define Feed and speed in shaping machine

Last Answer : 1) Feed: Feed (S) is the relative movement of the work or tool in a direction perpendicular to the axis of reciprocation of the ram per double stroke. It is expressed in mm per stroke. 2) Speed: ... speed is the speed at which the metal is removed by the cutting tool in a period of one minute.

Description : List types of chips produced in machining process.

Last Answer : The various types of chips produced in machining process are as follows: 1. Continuous chips: According to its name, continuous chips have a continuous segment. . 2. Discontinuous chips or segmental chips: ... chip is same as the continuous chips except a built edge is form at the face of tool.

Description : Define armature reaction in an alternator. Explain the effect of armature reaction at various P.F. of loads of alternator.

Last Answer : Armature Reaction: The effect of armature flux on main flux is called as armature reaction.  Armature Reaction at Various Power Factors: When armature is loaded, the armature flux modifies ... lagging p.f. For capacitive loads the effect of flux is partly distorting and partly strengthening.

Description : State the modification to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.

Last Answer : Modifications are necessary in a dc series motor so that it operates satisfactorily on ac supply. The modifications are as follows:  1) AC series motor is built with a few field turns as ... and grinders 5) High speed vacuum cleaners 6) Sewing machines 7) Food processors 8) Drilling machine 

Description : List different torques in synchronous motor. 

Last Answer : Different Torques in Synchronous Motor: 1) Starting torque 2) Running torque 3) Pull-in torque 4) Pull-out torque

Description : State advantages of short pitch winding over full pitch winding in alternators. 

Last Answer : Advantages of Short Pitch Winding over Full Pitch Winding in Alternators: 1) Short pitching reduces the amount of copper needed for end connection when compared with full pitched coil. 2) They ... reduced, thereby increasing the efficiency. 4) The power quality of generated emf is improved. 

Description : State the losses in secondary distribution system. 

Last Answer : The losses in secondary distribution system: a) Technical losses: 1. Due to poor voltage 2. Due to unbalance load 3. Due poor quality of transformer & its components 4. Due to poor quality ... of induction type of energy meter. 3. Lack of administration. 4. Energy theft 5. Unmetered supply

Description : List the energy conservation technique in induction motor. 

Last Answer : Following are the list of energy conservation techniques in electrical motors: 1) Reduction in iron losses by using low loss silicon steel core material laminated to thinner dimension. 2) Using bigger length ... at light load. 13) By rewinding in induction motor 14) By motor survey

Description : Enlist the luminaries used in factory lighting and lux level required in various areas.

Last Answer : Area Luminaries Lux level Office building Fluorescent tube, LED, CFL 500 lux Testing centre Fluorescent tube, LED, CFL 400 to 500 lux Workshop/work place Halogen ... , LED, CFL, Projector lamp, filament lamp, Halogen Lamp, Metal Halide lamp etc Above 600 Lux

Description : Explain the lighting scheme to be designed for each of the following: i) Special ward in hospitals ii) Dentist’s Cabin 

Last Answer : i) Special ward in hospital: For the patients in the wards, lighting should create a cozy and pleasant atmosphere. Lighting in the wards should be planned in such a way that it meets the specific ... we use such as cements and bonding agents that we use to restore your teeth back to health.

Description : Important Terms in Magnetic Circuit

Last Answer : Important Terms in Magnetic Circuit

Description : Sinusoidal Steady-State Analysis - Using nodal analysis, find node voltages in the circuit.

Last Answer : Sinusoidal Steady-State Analysis - Using nodal analysis, find node voltages in the circuit.

Description : Using phasors, determine in the following equations

Last Answer : Using phasors, determine in the following equations

Description : Evaluate the following quantities and express your results in polar form

Last Answer : Evaluate the following quantities and express your results in polar form

Description : Evaluate the following complex numbers and leave your results in polar form

Last Answer : Evaluate the following complex numbers and leave your results in polar form

Description : Calculate these complex numbers and express your results in rectangular form

Last Answer : Calculate these complex numbers and express your results in rectangular form

Description : Express the following functions in cosine form

Last Answer : Express the following functions in cosine form

Description : Source transformation Replace the circuit with voltage source in series with a single resistor

Last Answer : Source transformation Replace the circuit with voltage source in series with a single resistor

Description : Is the power line voltage available in our homes a dc or an ac voltage?

Last Answer : The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.

Description : In a metal conductor, what is a free electron?

Last Answer :  When many atoms are close together in a copper wire, the outermost orbital electron of each copper atom can easily break free from its home or parent atom. These electrons then can migrate easily ... random. Such electrons that can move freely from one atom to the next are called free electrons.

Description : Energy stored in electrostatic field of capacitance formula

Last Answer : Energy stored in electrostatic field of capacitance formula

Description : XL and XC in parallel

Last Answer : https://youtu.be/fCN95EiEWDI

Description : X L and X C in Series

Last Answer : Inductive reactance X L and Capacitive reactance X C in series. Inductive reactance X L of value 60 ohm and Capacitive reactance X C of value 40 ohm are connected in series. 120 volts A C voltage is ... . The current will be 6 ampere. This time current will lead the voltage by 90 degree.

Description : Energy stored in capacitor examples

Last Answer : Energy stored in capacitor examples

Description : How do you find power in a circuit?

Last Answer : Power can be find in a circuit by the means of meters .if an individual want to check for a power in a circuit he/she Calabria the meters on a high voltage range and put the meters Lee in parallel with the circuit he /she will know the amount of power within that circuit .