HSSC Junior Engineer (Electrical) & Operator Grade-1 Electrical Group-2 (18-02-2024)Total Questions: 10061. What is the primary effect of thermionic emission in metals ?(a) Reduction in metal strength(b) Increase in electrical conductivity(c) Emission of electrons from the metal surface(d) Decrease in thermal conductivity(e) UnattemptedCorrect Answer: (c) Emission of electrons from the metal surface62. ............. will arrange the data in ascending or descending order.(a) Filtering(b) Goal seek(c) Sorting(d) Scenario manager(e) UnattemptedCorrect Answer: (c) Sorting63. What is the primary principle of operation of a single-phase transformer?(a) Mutual induction between two circuits(b) Direct current conversion(c) Electromagnetic oscillation(d) Capacitive coupling(e) UnattemptedCorrect Answer: (a) Mutual induction between two circuits64. What is the primary advantage of electric traction?(a) High starting torque(b) Simple construction(c) Low maintenance(d) Smooth starting without shocka(e) UnattemptedCorrect Answer: (d) Smooth starting without shocka65. Who among the following personalities of Haryana was selected for the Padmashri honour in 2023 ?(a) Neki Ram(b) Bakshi Ram(c) Ram Dev(d) Ram Pal(e) UnattemptedCorrect Answer: (b) Bakshi Ram66. What is the primary purpose of using underground cables for power transmission ?(a) To increase voltage(b) To reduce transmission losses(c) For aesthetic reasons(d) To reduce the risk of external disturbances(e) UnattemptedCorrect Answer: (d) To reduce the risk of external disturbances67. Which phenomenon occurs when light interacts with electrons to emit them from a metal surface ?(a) Thermionic emission(b) Secondary emission(c) Field emission(d) Photoelectric emission(e) UnattemptedCorrect Answer: (d) Photoelectric emission68. What type of pole is commonly used in transmission lines ?(a) Bamboo poles(b) Plastic poles(c) Reinforced Cement Concrete (RCC) poles(d) Wooden poles(e) UnattemptedCorrect Answer: (c) Reinforced Cement Concrete (RCC) poles69. What is the function of a synchronous condenser in a power system?(a) To convert AC to DC(b) To improve power factor(c) To regulate voltage(d) To decrease current flow(e) UnattemptedCorrect Answer: (b) To improve power factor70. Commonly occurring exceptions are usually defined in the compiler/interpreter. These are called:(a) User-defined exception(b) Exception(c) Built-in exceptions(d) Value error(e) UnattemptedCorrect Answer: (b) ExceptionSubmit Quiz« Previous12345678910Next »