11- Homogenous system value of input?
(A) Negative
(B) One
(C) Zero
(D) Infinity
12- Which of the following quantities are measured by LVDT?
(A) Acceleration
(B) Velocity
(C) Displacement
(D) All
13- Triacs can be used in A.C. voltage regulators for a
(A) Resistive-capacitive load
(B) Resistive load
(C) Inductive load
(D) Capacitive load
14- Gate turn-off thyristor is most suitable for
(A) DC to DC converter
(B) AC to DC converter
(C) Voltage source inverter
(D) DC to DC inverter
15- A cyclo-converter-fed induction motor is most suitable for which application?
(A) Machine tool drive
(B) Compressor drive
(C) Paper mill drive
(D) Cement mill drive
16- Which converter has the maximum value of utilization factor 0?
(A) Buck-boost converter
(B) Buck converter
(C) Boost converter
(D) All
17- A pair of active transducers is
(A) Solar Cell, LVDT
(B) Thermocouple, Thermistor
(C) Thermocouple, Solar Cell
(D) Thermistor, Solar Cell
18- Integrating principle in the digital measurement is the conversion of
(A) Current to voltage
(B) Voltage to current
(C) Voltage to frequency
(D) Voltage to time
19- What is a clamp-on ammeter used for
(A) High DC current
(B) Low DC current
(C) High AC current
(D) Low AC current
20- A standard resistance is made bifilar type to eliminate
(A) Frequency effect
(B) Inductive effect
(C) Temperature effect
(D) Stray capacitance
ANSWERS:
11-(C), 12-(D), 13-(B), 14-(D), 15-(C), 16-(A), 17-(C), 18-(C), 19-(C), 20-(B)