MCQs

Sag in transmission lines depends on which factor/factors: Tension Weight of conductor Length of span All of these None of these Correct answer: 4. All of these

Decrease in sag of transmission lines impacts tension in which manner: Increases tension Decreases tension Has no effect on tension Correct answer: 1. Increases tension

Increase in sag of transmission lines: Increases tension Decreases tension Has no effect on tension Correct answer: 2. Decreases tension

Sag of transmission lines in summer is: More than winter Less than winter Same as winter Correct answer: 1. More than winter

Sag of transmission lines in winter is: More than summer Less than summer Same as summer Correct answer: 2. Less than summer

Sag of transmission lines is least affected by: Current flowing through it Weight Atmospheric temperature Ice deposition over it Correct answer: 1. Current flowing through it

Guy wire is used for: Providing Protection against lightning Supporting pole Reducing footing resistance Correct answer: 2. supporting pole

Ground wire in transmission lines is manufactured from which material: Aluminum ACSR Galvanized steel Copper Correct answer: 3. Galvanized Steel

Secondary distribution of AC is done by: 2 phase 2 wire system 2 phase 3 wire system 3 phase 3 wire system 3 phase 4 wire system Correct answer: 4. 3 phase 4 wire system

ACSR conductors have: Inner strands made of Aluminum Outer strands made of Aluminum All strands made of Aluminum All strands made of steel Correct answer: 2. Outer strands made of Aluminum