Electric Circuits Coating generally recommended for hard surfacing is chromium plating. None of these copper plating. lead plating. chromium plating. None of these copper plating. lead plating. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 6 Ω. 3 / 4 Ω. 4 / 3 Ω. 3 / 2 Ω. 6 Ω. 3 / 4 Ω. 4 / 3 Ω. 3 / 2 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? RBY. BYR. YBR. RYB. RBY. BYR. YBR. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which metal is deposited for electro forming? Nickel. Chromium. Silver. Iron. Nickel. Chromium. Silver. Iron. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When the battery is being charged, the terminal voltage decreases with increasing charging rate. increasing temperature. increasing state of charge. none of these. increasing charging rate. increasing temperature. increasing state of charge. none of these. ANSWER DOWNLOAD EXAMIANS APP