Model Questions for SSC Junior Engineer EXAM - Electrical Engg set-5

1. The power absorbed by a pure inductive circuit and pure capacitive circuit is

(a) Non zero and non zero
(b) Zero and non zero
(c) Zero and zero
(d) Non zero and zero

2. The wrong statement among the following is

(a) The current rating of fuse should not exceed the rating of the smallest cable protected
(b) Fuse having rating less than 3 A can be used in radio
(c) A fuse can be fitted in an outlet socket
(d) A fuse should not get overheated

3. The product of rms values of current and voltage is called as

(a) Reactive power
(b) Polar curves
(c) Real power
(d) Apparent power

4. The fusing current of a fuse depends on its

(a) Material and diameter
(b) Material and its length
(c) Material, length and diameter
(d) Length and its diameter

5. In HRC fuses, the space within the body surrounding the element is usually filled with

(a) Zinc
(b) Quartz
(c) Silver
(d) Copper

Study Kit for SSC Junior Engineer EXAM (Paper-1) 2017-2018

6. The net power in a series R-C circuit is

(a) Positive
(b) Negative
(c) Zero
(d) None of these

7. The power curve for a purely resistive circuit is zero only when

(a) Current is zero
(b) Voltage is zero
(c) Both current and voltage is zero
(d) None of these

8. For improving the soil condition and efficiency of earthing system, the pit area around the G.I. pipe is filled with

(a) Mixture of aluminium and sulphate
(b) Mixture of salt and coal
(c) Mixture of chloride and sodium
(d) Mixture of copper and nickel

9. For extinguishing arc in an high voltage fuses, the element can be immersed in

(a) Carbon tetrachloride
(b) Carbon tetrafloride
(c) Oil
(d) Only (a) and (b)

10. For solving parallel ac circuit, the method used is

(a) Admittance method
(b) Vector method
(c) Symbolic or j - method
(d) All of these

Study Kit for SSC Junior Engineer EXAM (Paper-1) 2017-2018

Answer

1. (c) 2. (c) 3. (d) 4. (c) 5. (b) 6. (a) 7. (c) 8. (b) 9. (d) 10. (d)