A) rods and cones B) wires and nerves C) retina and antenna D) high and low. Ans : (A)
A) calorie B) retina C) corona D) membrane. Ans : (B)
A) reading rooms B) street lights C) auditorium D) libraries. Ans : (D)
A) white B) red C) yellow D) blue. Ans : (C)
A) a reactive choke is connected in series with supply B) a variable resistor is connected in the circuit C) a condenser is connected in series to supply D) a condenser is connected in parallel to supply. Ans : (B)
A) designing for illumination level B) designing for floor space utilization C) designing for air conditioning D) all of the above. Ans : (C)
A) Fluorescent lamps B) Cold cathode lamps C) GLS lamps D) All of the above. Ans : (A)
A) low voltage B) high voltage C) high current D) none of the above. Ans : (B)
A) frosted GLS lamps B) high wattage GLS lamp C) fluorescent lamps D) sodium lamps. Ans : (D)
A) 400 to 600 volts B) 400 to 440 volts C) 200 to 220 volts D) 100 to 150 volts. Ans : (A)