Operating system is a program that runs during log off a program that runs during log off a layer between the user and the hardware a program that runs for short duration TRUE ANSWER : ? YOUR ANSWER : ?
A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor. 0.82 0.62 0.52 0.72 TRUE ANSWER : ? YOUR ANSWER : ?
If all the devices are connected to a central hub, then the topology is called Tree Topology Star Topology Bus Topology Tree Topology TRUE ANSWER : ? YOUR ANSWER : ?
Fill in the blanks with suitable Article from the given alternatives.<br/>I heard ____interesting story yesterday an a No article the TRUE ANSWER : ? YOUR ANSWER : ?
In a typical DC micro grid, hybrid storage system is a combination of Lead acid battery and Lithium ion battery Lead acid battery and Capacitor None of these Lead acid battery and ultra capacitor / super capacitor TRUE ANSWER : ? YOUR ANSWER : ?
A short-shunt dc compound generator supplies 50 A at 300 V. If the shunt field resistance, series field resistance and armature resistance are 30 Ω, 0.03Ω, and 0.05 Ω respectively, determine the e.m.f. generated. 304.5 V 308.5 V 302.5 V 306.5 V TRUE ANSWER : ? YOUR ANSWER : ?
A given solar cell has the following specifications:<br/>Open-circuit voltage, Voc: 0.7 V<br/>Short-circuit current, Isc: 3 A<br/>Voltage at maximum power, Vmp: 0.5 V<br/>Current at maximum power, Imp : 2.65 A<br/>Calculate the fill factor. 1.58 0.63 0.81 1.23 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an application layer service? Mail service File transfer, access and management Network virtual terminal Mail service TRUE ANSWER : ? YOUR ANSWER : ?
____are long-term (hours-long) voltage sags caused by system overload. Voltage dips Brownouts Voltage surges Black outs TRUE ANSWER : ? YOUR ANSWER : ?