Deepakkumar Yadav
Qualities of Insulating Material Q. List any six qualities of insulating material. Material should have high resistivity, high dielectric strength, high dielectric constant (permitivity), less dielectric loss. It should be mechanically strong, tough, flexible, viscous. It should be non porous, non-soluble. It should have good machining and moulding properties. It should be heat resistant. It … Read more
Method of Filtration of Impure Oil Using Streamline Filter Q. With the help of neat figure explain the method of fitration of impure oil using streamline filter (vacuum type). Stream Line Filter (Vacuum Type) : Main part are : Oil-inlet pipe Heating chamber Heaters Purifier chamber Filter packs Vacuum tank Motor Pump Pure oil outlet … Read more
Bureau of Energy Efficiency (BEE)and its Role The mission of Bureau of Energy Efficiency is to institutionalize energy efficiency services, enable delivery mechanisms in the country and provide leadership to energy efficiency in all sectors of economy. The primary objective would be to reduce energy intensity in the Indian Economy. The general superintendence, directions and … Read more
Reasons for Developing Electrical and Magnetic Fault. Q.Give the reasons for developing electrical and magnetic fault. Electrical Faults : Sr. No. Faults Reason Remedial measures 1 Wrong electric connections Field winding connections may be wrong. Field-Armature winding connections might be wrong. 3-phase motor phase sequence connection R-Y-B may be wrong. Check the connection. Check direction of … Read more
Distinguish Between Routine and Break-down Maintenance of Electrical Equipment’s Q. Distinguish between routine and break-down maintenance of electrical equipments. Sr. No. Routine Maintenance Break Down Maintenance 1 As the name suggest, it is the maintenance as a routine work i.e. daily work so routine maintenance is a overall daily maintenance of the machine. As the little … Read more
National Scenario (India’s Global Energy Scenario) Our nation ‘India’ has an huge amount of coal reserves up to 60,000/- million tonnes. This is sufficient for our country upto further 200 to 220 years. If compared with other countries in the world it is 6 to 7 % of the world’s reserve. How long this reserve … Read more
Other Energy Conservation Techniques The other few energy conservation techniques may surprise you. While there are practical methods such as (1) insulation, (2) changing light sources, (3) using alternate fuels and (4) carpooling rather than walking understand the 6 core techniques beneath them will show you more about what to do in life. Six Core … Read more
Body Effect of Shock When Current Passing Through a Body Q. What is the body effect of shock when current of 1 mA, 4-15 mA, 100 mA current passing through a body ? Current (mA) Shock effect 1 mA Perceptible, No-pains. 4-15mA Medium but painful, but no-loss on muscular control. 15-20 mA Painful, muscular control … Read more
Distinguish between Routine Test and Type Test Q. Distinguish between Routine Test and Type Test. Sr. No. Routine Test Type Test 1 These tests are carried out on each and every machines manufactured in the industry. This tests are carried out on few machines from the lot of the machines of same designs and specification. … Read more
Mechanical Faults and Causes in Case of Electrical Machines Q. List out the mechanical faults and causes in case of electrical machines. Mechanical Faults : Sr. No Fault Reasons Remedial measures 1 Bent shape Drawback in shaft coupling machine to machine or machine to load shaft. Due care during storage, transportation must be taken. 2 … Read more