Wind Power vs Solar Power | Pros and Cons Many homes in various nations are turning to power their homes with renewable energies. When you decide to go for off-grid or grid-connected power systems, you have two primary options for renewable energy equipment. These options include wind turbines and solar cells. So, which one is […]
1. Which bridge is used to determine frequency? (a) Anderson bridge. (b) De Sauty bridge. (c) Wien bridge. (d) Campbell bridge. 2. Which one of the following is a frequency sensitive bridge? (a) De-Sauty bridge. (b) Schering bridge. (c) Wien’s bridge. (d) Maxwell’s bridge. 3. Which of the following bridges can be used to construct
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1. Which of the following indicating instrument, has/have linear scale ? Moving iron meter. PMMC meter. Thermocouple meter. Rectifier type meter. Select the correct answer using code given below : Code: (a) Only 1 and 2 (b) Only 2 and 3 (c) Only 3 and 4 (d) Only 2 2. Which of the following instruments
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1. Commonly used standard capacitor is (a) concentric sphere type. (b) parallel plate type. (c) concentric cylinder type with guard ring. (d) multiple parallel plate type. 2. Which one of the following meters is an integrating type instrument? (a) Ammeter. (b) Voltmeter. (c) Wattmeter. (d) Energy meter. 3. The …….. is an integrating type instrument:
1. Deflection methods of direct measurements are most widely used as these are (a) most simple. (b) most accurate. (c) least time consuming. (d) most simple and least time consuming. 2. Comparison methods are used (a) because these are most simple. (b) because these are inexpensive. (c) because these take least time in measurement. (d)
1. Main traction systems used in India are those using ……….. locomotives. (a) steam engine (b) diesel engine (c) diesel-electric (d) electric (e) all of the above 2. Diesel electric traction has comparatively limited overload capacity because (a) diesel engine is a constant output prime mover. (b) diesel engine has shorter life span. (c) regenerative
1. Light……… (a) is a form of heat energy. (b) is a form of electrical energy. (c) consists of electromagnetic waves. (d) consists of shooting particles. 2. Radiant efficiency of the luminous source depends on (a) temperature of the source. (b) wavelength of light rays. (c) shape of the source. (d) all of the above.
1. Which of the following falls under the category of plastic or non-fusion welding ? (a) Resistance welding. (b) Electron beam welding. (c) Electro-slag welding. (d) Arc welding. 2. Which of the following falls under the category of fusion or non-pressure welding? (a) Resistance welding. (b) Metal-arc welding. (c) Ultrasonic welding. (d) Explosive welding. 3.
1. A perfect black body is one which (a) absorbs all incident radiations. (b) reflects all incident radiations. (c) transmits all incident radiations. (d) all of the above. 2. For the transmission of heat from one body to another it is essential that (a) both bodies are solids. (b) the two bodies are at different
1. The basic elements of an electric drive are : (a) electric motor and the transmission system. (b) electric motor, the transmission and control system. (c) the transmission and control system. (d) electric motor and conversion equipment. 2. Electric drive is becoming more and more popular because (a) it is simple, clean, compact and reliable.