Related Questions

The design of mechanical parts is particularly important in case of _____ speed machines.
A low
B medium
C high
D any of the above
The Battle of Plassey is a particularly important event in Indian history because
A The Nawab of Bengal lost in it
B It enabled the British to have power in Bengal
C It laid the foundation for British rule in India
D It enabled the British to reap higher trade profits
Surge tanks are used
A for storage water
B to increase the velocity in a pipeline
C as overflow valves
D to guard against water hammer
For an overhead line, the surge impedance is taken as
A 20-30 ohms
B 70-80 ohms
C 100-200 ohms
D 500-1000 ohms
The surge resistance of cable is
A 5 ohms
B 20 ohms
C 50 ohms
D 100 ohms
Which of the following devices will receive voltage surge first travelling on the transmission line ?
A Lightning arresters
B Relays
C Step-down transformer
D Switchgear
What will be the reflection co-efficient of the wave of load connected to transmission line if surge impedance of the line is equal to load ?
A Zero
B Unity
C Infinity
D None of the above
The purpose of a surge tank is
A To control the pressure variations due to rapid changes in the pipe line flow
B To eliminate water hammer possibilities
C To regulate flow of water to turbines by providing necessary retarding head of water
D All of the above
Surge tanks are provided in high pressure water pipelines to
A Store a definte quantity ofwater all the time
B Reduce the water hammer
C Facilitate easy dismantling of pipeline for cleaning and maintenance
D None of these
Identify the word/s, if any, from the sentence, Otherwise. indicate 'No Error'. She 'particularly' enjoys 'watching' cricket 'matches' 'among' Bangladesh and Kenya. 'No Error'
A particularly
B watching
C matches
D among

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