There are 12 behaviors or characteristics that successful quality leaders demonstrate. They give priority attention to external and internal customers and their needs. Leaders place themselves in the customers shoes and service...
Archive - February 2022
1. What is the principle of an alternator? The alternator works on the principle on the Faraday’s law of electromagnetic induction. Whenever a conductor links with a magnetic field, either the conductor is moving, or the...
1. What are the advantages of three-phase induction motor? Simple construction High reliability Rugged construction High efficiency Low cost Less maintenance Self starting torque Good power factor. 2. What are the disadvantages...
These galvanometers are of d’Arsonval type having a moving coil suspended between the pieces of a permanent magnet. When an alternating current is passed through the moving coil, an alternating deflecting torque is produced...
It consists of a single loop of thin phosphorbronze strip which forms the moving system. It is called a vibrator loop. The vibrator loop is situated in the field of a permanent magnet but when high sensitivities are required...
1. Define a transformer. A transformer is a static device which change the alternating voltage form one level to another. 2. What is staggering in the construction of transformers? In transformer, the joints in the alternate...
1. What is an electric motor? Electric motor is a machine which converts electrical energy into mechanical energy. 2. Define DC motor. DC motor converts d.c electrical input into mechanical output. 3. What is the basic principle...
1. What is an electrical generator? An electrical generator is a machine which converts mechanical energy to electrical energy. 2. What is the basic principle of a dc generator? Basic principle of a dc generator is...
1. What are the advantages of micro controller over microprocessor? The overall system cost is low, as the peripherals are integrated in a single chip. The size is very small. The system is easy to troubleshoot and maintain. If...
Broadly, the analog instrument (and for that matter digital instruments) may be classified according to the quantity they measure. For example, an instrument meant for measurement of current is classified as an Ammeter while an...