The annual load factor of a generation station is equal to (No. of units actually supplied per year) ⁄ (Max. possible demand) (No. of units actually supplied per year) ⁄ (Max. possible demand × 8760) (No. of units actually supplied per year) ⁄ (Max. possible demand) (No. of units actually supplied per month) ⁄ (Max. possible demand × 8760) TRUE ANSWER : ? YOUR ANSWER : ?
A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor 200 V 210 V 215 V 190 V TRUE ANSWER : ? YOUR ANSWER : ?
_______ is the measuring unit of inductive susceptance Mho Weber Tesla Henry TRUE ANSWER : ? YOUR ANSWER : ?
In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is: Voltage lags current by 45° Voltage leads current by 45° Voltage and current are in phase with each other Voltage lags current by 30° TRUE ANSWER : ? YOUR ANSWER : ?
P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is: Meter per hour Cubic meter per second Meter per second Square meter per second TRUE ANSWER : ? YOUR ANSWER : ?
An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is? 115 ohm 290 ohm 29 ohm 11.5 ohm TRUE ANSWER : ? YOUR ANSWER : ?
Is it possible to have current in a transmission line, under no-load conditions? Yes, because of the corona effect Yes, because of the capacitance effect No, because of the proximity effect Yes, because of skin effect TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following fuel has the least calorific value? Kerosene oil LPG Hydrogen Wood TRUE ANSWER : ? YOUR ANSWER : ?
When the only current source is active in the circuit, find the current through the 10Ω resistor 1.66 A 0.66 A 0 A 1.33 A TRUE ANSWER : ? YOUR ANSWER : ?
______starting method CANNOT be used for starting a 3-phase squirrel cage induction motor Auto-transformer Rotor-resistance Star-delta Direct-on-line TRUE ANSWER : ? YOUR ANSWER : ?