નીચેના રુઢિપ્રયોગોને અર્થ સાથે સાંકળી જોડી બનાવો.<br/>1. કાન કરડવા - 1. બાતમી મળી જવી.<br/>2. કાન ફૂંકવા - 2. વાત પર ધ્યાન ન આપવું.<br/>૩. કાને વાત પહોચવી - ૩. કાન 1-22-33-44-1 1-42-33-14-2 1-32-23-44-1 1-32-43-14-2 TRUE ANSWER : ? YOUR ANSWER : ?
The normal percentage bias setting of differential relay used for transformer protection will be above 75% between 50% and 75% between 10% and 50% below 10% TRUE ANSWER : ? YOUR ANSWER : ?
A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series aiding. 1135 mH 730 mH 932 mH 1270 mH TRUE ANSWER : ? YOUR ANSWER : ?
A thermistor is inherently suitable for temperature measurement involving high span and high sensitivity high span and low sensitivity low span and high sensitivity low span and low sensitivity TRUE ANSWER : ? YOUR ANSWER : ?
An electric potential field is produced in air by point 1 μC and 4 μC located at (-2, 1, 5) and (1, 3, -1) respectively. The energy stored in the field is 2.57 mJ 5.14 mJ 12.50 mJ 10.28 mJ TRUE ANSWER : ? YOUR ANSWER : ?
By inserting a plate of dielectric material between the plates of a parallel plate capacitor at constant potential, the energy stored in the capacitor is increased five times. The dielectric constant of the material is 1/5 25 1/25 5 TRUE ANSWER : ? YOUR ANSWER : ?
Find the word which is correctly spelt from the given options. Various Absurrd Wrinkel Abolishid TRUE ANSWER : ? YOUR ANSWER : ?
In underground cables, the electrostatic stress is ___ at contactor surface and ___ at the sheath. minimum, maximum minimum, maximum zero, zero zero, minimum TRUE ANSWER : ? YOUR ANSWER : ?
Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 375 W and –50 W. Calculate the reactive power taken by the load. 325√3 VAR 425/√3 VAR 425√3 VAR 325/√3 VAR TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following two statements and choose the correct answer.<br/>Statement 1: The V-curves of a synchronous motor show relationship between armature current and supply voltage.<br/>Statement 2: The plot of power factor against the field current of synchronous motor is known as inverted V curves. Statement 1 is FALSE and Statement 2 is TRUE Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are TRUE Both Statement 1 and Statement 2 are FALSE TRUE ANSWER : ? YOUR ANSWER : ?