The miniature circuit breaker (MCB) with ____ trip characteristics trips instantaneously when the current flowing through it reaches between 10 to 20 times the rated current. Class Z Class D Class B Class C TRUE ANSWER : ? YOUR ANSWER : ?
A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed? 882 rpm 1575 rpm 1425 rpm 798 rpm 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 400 W and -50 W. Calculate the reactive power taken by the load 450√3 VAR 350/√3 VAR 450/√3 VAR 350√3 VAR TRUE ANSWER : ? YOUR ANSWER : ?
Message ____ means that the data must arrive at the receiver exactly as sent. Confidentiality Authentication None ot these Integrity TRUE ANSWER : ? YOUR ANSWER : ?
In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)? 180 V 120 v 160 V 240 V TRUE ANSWER : ? YOUR ANSWER : ?
____ is the rms value of AC component of the current in the pole at the instant of contact separation. Symmetrical short circuit current Asymmetrical breaking current Making current Symmetrical breaking current TRUE ANSWER : ? YOUR ANSWER : ?
Name the application under MS Office software bundle, that we use to create audio- visual presentation. MS Excel MS Access MS Word MS Power point TRUE ANSWER : ? YOUR ANSWER : ?
Find the word which is correctly spelt from the given options. Syndrome Seriuous Obecity Abolishid TRUE ANSWER : ? YOUR ANSWER : ?
Match the following shown in table A = (ii), B = (i), C = (iii) A = (iii), B = (i), C = (ii) A = (ii), B = (iii), C = (i) A = (iii), B = (ii), C = (i) TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used method for the protection of three phase feeder is Time graded protection None of these Differential protection Reverse power protection TRUE ANSWER : ? YOUR ANSWER : ?