HomeElectrician ITI/ Wireman ITITop 15 expected MCQ iti insturctor Wireman/Electrician Top 15 expected MCQ iti insturctor Wireman/Electrician Education June 06, 2023 0 1➤ What is the PIV of the diode if the AC input voltage is 24V?34V33 V35 V32 V2➤ How many terminals are in transistor? 43253➤ What is the application of zener diode?Rectifier Oscillation Voltage regulator Amplification 4➤ What is the expansion of PIV? A : Peak Input Voltage B : Positive Inverse Voltage C : Peak Inverse Voltage D : Phase Inverse VoltagePeak input voltage Peak inverse voltage Positive inverse voltage Phase inverse Voltage 5➤ How the N type semi conductor is formed? A : Germanium with aluminium B : Silicon with antimony C : Silicon with iridium D : Silicon with arsenicSilicon with antimonySilicon with iridiumSilicon with arsenicGermanium with aluminium6➤ What does the depletion region behave? InsulatorSemi conductor ResistorConductor 7➤ What is the use of LED? To reduce the rippleTo rectify AC to DCTo indicate lightTo regulate the voltage8➤ What is the function of forward biased PN junction diode? Act as limit switchAct as uni directional switchAct as control switchAct as bi directional switch9➤ Why earth resistance value required to keep very low?For low power consumptionFor low voltage dropFor easy measurementFor quick current flow10➤ What will happen to the value of earth resistance, if length of the earth pipe is increased? Remain sameInfinity Decreases Increases11➤ What is the shape of the waveform of A/C?Square waveSawtooh waveSine wavePulsating wave12➤ Which type of capacitor is known as polarised capacitor? Electrolytic capacitor Ceramic capacitor Mica capacitor Paper capacitor 13➤ Which force is required to demagnetise the residual magnetism in the hysteresis loop?Counter induced emf Electromotive forceMagneto motive force Coercive force14➤ Which rule is used to find the direction of the self induced emf in a coil? Lenz law Corkscrew ruleClock ruleAmpere rule 15➤ What is the metal composition of Permalloy?Iron and chromiumIron and aluminiumIron and copperIron and nickel SubmitYour score is Tags Electrician ITI/ Wireman ITI Newer Older