HSSC Junior Engineer (Electrical) & Operator Grade-1 Electrical Group-2 (18-02-2024)

Total Questions: 100

41. ......... is neutral oxide.

Correct Answer: (a) N2O

42. What type of power generation uses temperature differentials in ocean waters?

Correct Answer: (c) Ocean Thermal Energy Conversion (OTEC)

43. How does a 3-state buffer work in digital electronics?

Correct Answer: (b) It can be low, high or disconnected

44. What is the main application of PLCs in conveyor systems ?

Correct Answer: (b) To start and stop the conveyor motors

45. What is the main advantage of a single bus-bar system in a sub-station?

Correct Answer: (b) Low initial cost

46. In certain code if

White is called as Black

Black is called as Yellow

Yellow is called as Blue

Blue is called as Red

Red is called as Green

Green is called as Purple

then what is the color of blood in that language ?

Correct Answer: (b) Green

47. .............. is another kind of cyber crime where the attacker gains access to the computers and blocks the user from accessing, usually by encrypting the data.

Correct Answer: (a) Ransomware

48. In a DC motor, what rule is used to determine the direction of mechanical force ?

Correct Answer: (d) Left-hand rule

49. What does an edge-triggered D flip-flop do?

Correct Answer: (c) Changes output on the edge of the clock signal

50. First nuclear power plant of North India is supposed to be built at this place of Haryana in :

Correct Answer: (a) Gorakhpur