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HSSC Junior Engineer (Electrical) & Operator Grade-1 Electrical Group-2 (18-02-2024)
📆 October 25, 2024
Total Questions: 100
71.
What is the purpose of Pole Shoes in a DC generator?
(a) Conduct electricity
(b) Store electrical energy
(c) Convert mechanical to electrical energy
(d) Support exciting coils
(e) Unattempted
Correct Answer:
(d) Support exciting coils
72.
Which braking method converts braking energy to electrical energy?
(a) Mechanical Braking
(b) Plugging
(c) Regenerative Braking
(d) Dynamic Braking
(e) Unattempted
Correct Answer:
(c) Regenerative Braking
73.
The 'Boston Tea Party' incident in the American war of independence took place in the year:
(a) 1783
(b) 1789
(c) 1775
(d) 1773
(e) Unattempted
Correct Answer:
(d) 1773
74.
What is the term used for the average drift velocity of electrons per unit electric field?
(a) Mobility
(b) Resistivity
(c) Conductivity
(d) Permeability
(e) Unattempted
Correct Answer:
(a) Mobility
75.
What is the primary mechanism for producing forces from the wind in wind turbines ?
(a) Lift force and drag force
(b) Centrifugal force
(c) Gravitational force
(d) Electromagnetic force
(e) Unattempted
Correct Answer:
(a) Lift force and drag force
76.
What is a Programmable Logic Controller (PLC) ?
(a) A type of sensor
(b) A digital computer for industrial control
(c) A mechanical timer
(d) An analog processing unit
(e) Unattempted
Correct Answer:
(b) A digital computer for industrial control
77.
What is the function of a NOR gate in digital circuits ?
(a) Outputs high if all inputs are low
(b) Outputs high if at least one input is high
(c) Adds binary numbers
(d) Stores data bits
(e) Unattempted
Correct Answer:
(a) Outputs high if all inputs are low
78.
The founder of Shatavahana dynasty was :
(a) Simukha
(b) Gauthamiputra Shatakarni
(c) Pushyabhuthi
(d) None of the above
(e) Unattempted
Correct Answer:
(a) Simukha
79.
Magnetization current in a transformer produces transformer core.
(a) Eddy current
(b) Flux
(c) Power
(d) None of these
(e) Unattempted
Correct Answer:
(b) Flux
80.
What happens to the electrical resistance of most metals with an increase in temperature ?
(a) Decreases
(b) Remains constant
(c) Increases
(d) Becomes zero
(e) Unattempted
Correct Answer:
(c) Increases
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