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HSSC Junior Engineer (Electrical) & Operator Grade-1 Electrical Group-2 (18-02-2024)
📆 October 25, 2024
Total Questions: 100
61.
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) Unattempted
Correct Answer:
(c) Emission of electrons from the metal surface
62.
............. will arrange the data in ascending or descending order.
(a) Filtering
(b) Goal seek
(c) Sorting
(d) Scenario manager
(e) Unattempted
Correct Answer:
(c) Sorting
63.
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) Unattempted
Correct Answer:
(a) Mutual induction between two circuits
64.
What is the primary advantage of electric traction?
(a) High starting torque
(b) Simple construction
(c) Low maintenance
(d) Smooth starting without shocka
(e) Unattempted
Correct Answer:
(d) Smooth starting without shocka
65.
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) Unattempted
Correct Answer:
(b) Bakshi Ram
66.
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) Unattempted
Correct Answer:
(d) To reduce the risk of external disturbances
67.
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) Unattempted
Correct Answer:
(d) Photoelectric emission
68.
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) Unattempted
Correct Answer:
(c) Reinforced Cement Concrete (RCC) poles
69.
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) Unattempted
Correct Answer:
(b) To improve power factor
70.
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) Unattempted
Correct Answer:
(b) Exception
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