Usually, the hydroelectric power plants utilize which type of synchronous generators: Non-salient pole Salient pole Correct answer: 2. Salient the hydroelectric power plants utilize Explanation: Salient pole machines because the hydraulic turbine operates at lower speeds. Low speed operations require a relatively large number of field poles to produce the rated frequency.
The Flow through the impulse turbine is controlled by: Needle nozzles Wicket gates Drumstick All of these Correct answer: 1. Needle nozzles
The Flow through the reactions turbine is controlled by: Needle nozzles Wicket gates Drumstick All of these Correct answer: 2. Wicket gates
Which of the following belongs to reaction turbine: Francis Propeller Both of these None of these Correct answer: 3. Both of these
Impulse turbines having diagonal jets is: Pelton Turgo Francis Propeller Correct answer: 2. Turgo
Impulse turbines having perpendicular jets is: Pelton Turgo Francis Propeller Correct answer: 1. Pelton
The generating capacity of a hydroelectric plant is represented using equation: P = 9.8 * ηQH P = 9.8 * ηQ/H P = 32.58 * ηQH P = 32.58 * ηQ/H Correct answer: 1. P = 9.8 η QH Explanation P = power (kilowatts) η = plant efficiency Q = discharge flow rate (m^3/s) H … Read more
The power plants in which the direction of rotation of the turbines is reversed during offpeak hours is known as: Storage plants Run-of-the-river plants Pumped storage plants Base load plants Correct answer: 3. Pumped storage plants
Size of Dog ACSR conductor is: 100 mm2 200 mm2 300 mm2 400 mm2 Correct answer: 1. 100 mm2 The area of Dog ACSR conductor is 100 mm2 Good to know: ACSR Overhead line conductors in the UK are coded on the basis of names of Animals More MCQ on Aluminum Conductor Steel Reinforced Conductor … Read more
ACSR is the one of the most popular conductors employed in power transmission and distribution lines. ACSR stands for: Aluminum conductor silver reinforced Alloy conductor silver reinforced Aluminum conductor steel reinforced Alloy conductor steel reinforced Correct answer: 3. Aluminum conductor steel reinforced 26/7 ACSR has how many strands of Aluminum: 7 19 26 33 Correct … Read more