HSSC Junior Engineer (Electrical) & Operator Grade-1 Electrical Group-2 (18-02-2024)Total Questions: 10081. Which metal is known for having the highest melting point and is used in applications requiring high operating temperatures ?(a) Copper(b) Aluminium(c) Tungsten(d) Silver(e) UnattemptedCorrect Answer: (c) Tungsten82. Which type of wind machines have rotors with axis parallel to the direction of the wind stream?(a) Darrieus type(b) Propeller type(c) Savonius type(d) None of the above(e) UnattemptedCorrect Answer: (b) Propeller type83. What is the purpose of a Human- Machine Interface (HMI) in Programmable Logic Controller (PLC) systems?(a) To provide power to the Programmable Logic Controller (PLC)(b) To enable data storage(c) For user interaction with the Programmable Logic Controller (PLC)(d) To increase processing speed(e) UnattemptedCorrect Answer: (c) For user interaction with the Programmable Logic Controller (PLC)84. What type of motion do electrons exhibit in a conductor due to thermal effects?(a) Random motion(b) Linear motion(c) Circular motion(d) Oscillatory motion(e) UnattemptedCorrect Answer: (a) Random motion85. A line passes through (2, 2) and is perpendicular in the line 3x + y = 3 its y-intercepts is: 1(a) 1/3(b) 2/3(c) 4/3(d) 1(e) UnattemptedCorrect Answer: (c) 4/386. What does 'load factor' indicate in power systems?(a) Ratio of average load to maximum demand(b) Total power consumed by a system(c) Efficiency of power generation(d) Voltage stability in the system(e) UnattemptedCorrect Answer: (a) Ratio of average load to maximum demand87. How many bytes make 1 GB ?(a) 1024 KB(b) 1024 PB(c) 1024 MB(d) 1024 TB(e) UnattemptedCorrect Answer: (c) 1024 MB88. What is the primary factor that causes the scattering of electron waves in metals ?(a) High temperature(b) External magnetic fields(c) High electrical conductivity(d) Lattice imperfections due to impurities and atomic oscillations(e) UnattemptedCorrect Answer: (d) Lattice imperfections due to impurities and atomic oscillations89. What is the depth for drilling holes in geothermal energy fields for steam and water extraction?(a) 1 km(b) 2 km(c) 3 km(d) 4 km(e) UnattemptedCorrect Answer: (c) 3 km90. How does a synchronous counter differ from an asynchronous counter?(a) It uses less power(b) All flip-flops are connected to the same clock(c) It has a higher frequency limit(d) It uses different types of flip-flops(e) UnattemptedCorrect Answer: (b) All flip-flops are connected to the same clockSubmit Quiz« Previous12345678910Next »
