Which of the following insulation is used in cables ?
Any of the above
Rubber
Varnished cambric
Paper
Any of the above
Low tension cables are generally used up to
700 V
1000 V
200 V
500 V
1000 V
The surge resistance of cable is
50 ohms
5 ohms
20 ohms
100 ohms
50 ohms
cables are used for 132 kV lines.
Extra high tension
Super tension
High tension
Extra super voltage
Extra super voltage
Empire tape is
vulcanised rubber
impregnated paper
varnished cambric
none of the above
varnished cambric
The insulating material for a cable should have
all of the above
high mechanical strength
high dielectric strength
low cost
all of the above
The thickness of the layer of insulation on the conductor in cables depends upon
voltage
power factor
reactive power
current carrying capacity
voltage
Which of the following protects a cable against mechanical injury ?
None of the above
Armouring
Bedding
Sheath
Armouring
The bedding on a cable consists of
any of the above
hessian cloth
jute
none of the above
any of the above
The insulating material for cables should
be non-hygroscopic
be non-inflammable
be acid proof
have all above properties
have all above properties
पोस्ट अच्छी लगी हो तो प्लीज नीचे दिए गए लिंक पर क्लिक कर शेयर जरुर करें
0 Comments