Which of the following instrument can measure voltage resistance and current? Ammeter Voltmeter Multimeter Wattmeter TRUE ANSWER : ? YOUR ANSWER : ?
What will be the equivalent capacitance (in mF) of three capacitors connected in a series having the capacitance of 0.04 mF, 0.08 mF, and 0.02 mF respectively? 0.026 0.065 0.011 0.032 TRUE ANSWER : ? YOUR ANSWER : ?
Determine the power (in W) dissipated by a 16 ohms resistor, when the potential difference between the ends of the resistors is 32 V 66 68 64 62 TRUE ANSWER : ? YOUR ANSWER : ?
Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by means of a None of these Magnetic Relay Centrifugal Switch Thermal Relay TRUE ANSWER : ? YOUR ANSWER : ?
The primary and secondary windings of an Auto-transformer are Electrically coupled Magnetically coupled Both magnetically and electrically coupled None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the material is used to fix the screw on concrete wall and ceiling? Bushings Saddles Rawl Plug Link clips TRUE ANSWER : ? YOUR ANSWER : ?
Determine the magnitude of EMF (in V) induced between the axis of rotation and the rim of the disc, when the disc of radius 10 cm rotates with an angular velocity of 60 revolutions per second and placed in the magnetic field of 3 T acting parallel to the rotation of the disc 6.67 4.64 6.69 5.65 TRUE ANSWER : ? YOUR ANSWER : ?
What is the magnitude of the reactive power (in kVAR) of a balanced 3-phase delta connected system having the line voltage of 400 V and the line current of 50 A and the phase difference between the voltage and current is 53.13 degrees? 277.1 27.71 2.771 0.2771 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a static exciter? Metadyne Amplidyne DC Separately excited generator Rectifier TRUE ANSWER : ? YOUR ANSWER : ?