1. 2 : 1
2. 1.11 : 1
3. 1.41 : 1
4. 1.21 : 1
1.11 : 1
1. 0.1 mA
2. 0.5 mA
3. 1 mA
4. 10 mA
1 mA
1. 1 A
2. 1/1.732A
3. 1.732 A
4. 0.2/1.732 A
1.732 A
1. long transmission lines
2. medium length lines
3. short length lines
4. no length criterion
long transmission lines
1. 0.15 p.u.
2. 0.2 p.u.
3. 0.3.p.u.
4. 2.4 p.u.
0.15 p.u.
1. ripples in the d.c. supply
2. stray magnetic fields
3. stray thermal emfs
4. erroneous standardisation
stray thermal emfs
1. 0.99
2. 1.0
3. 0.75
4. none of these
0.99
1. only (1) and (2) are true
2. only (1) and (3) are true
3. only (2) and (3) are true
4. all (1), (2) and (3) are true
all (1), (2) and (3) are true
1. reference junction compensation
2. meters for measurement without disturbing the circuit conditions
3. extension wires of materials other than one used for making thermocouples
4. both (b) and (c)
both (b) and (c)
1. voltage restrained directional relay
2. directional restrained over-current relay
3. voltage restrained over-Current relay
4. none of these
directional restrained over-current relay