Module 4 B1 June Session DGCA Questions | 2nd session of 2024
1) IC are nothing more than many complete digital circuit constructed in same bas location
known as
a. Chip, microprocessor
b. Mechanical motor.
c. Circuit
2) For a given reverse voltage in photodiode
a. Reversed current increase with increase of illumination
b. Reversed current decrease with increase of illumination
c. Reversed current increase with decrease of illumination
3) Organic coating is done in PCB for
a. Prevention of oxidation and contamination.
4) An electronic circuit made up of linear component that maintain their value regardless of level
of voltage and current
a. Linear circuit
b. Logic circuit
c. Non linear circuit
5) Zener diode
a. Power
b. Voltage regulation
c. Current regulation
6) nobel and Cheapest material in PCB
a) Gold
b) Silver
c) Palladium
d) Copper
7) Pcb constructed in
a. Single layered
b. Double layered
c. Single, Double and multi layer
8) The element that has the biggest size/area
A. Emitter
B. Collector
C. Base
9) Transformers necessary for which type of rectifier
A. Half wave rectifier
B. Full wave center tap rectifier
C. Bridge type
10) Transistor biasing generally provided by
a. Biasing circuit
b. Bias battery
c. Diode
11) In AC synchronous system AC power is used to generate
a. Electric induction
b. Resistance
C. Electric induction resistance
12) When two rotor in a synchro system are lined up From the rotor of control from the
transformer is
a. Very high
b. Zero
c. Low
d. None
13) In a transistor
a. Base is thinner and the collector is wider than the emitter and base.
14) . Internal impedance of OP-amp
a. Extremely low
b. Extremely high
c. Low
d. None
15) Mtcs
B. ICs are more reliable, small size and less weight and low power requirements.
16. Capacitor store energy
a. Between the plate
b. On the plate
c. Inside the plate
17). Mtcs
a) Emitter is forward Bias with respect to base and collector is reversed bias with respect
base
b. Emitter is reversed Bias with respect to base and collector is forward bias with respect to base
C. Emitter is forward Bias with respect to base and collector is also forward bias with respect to base
18) Signal produce by synchro control transformer in voltage output
a. Varies in magnitude and in phase
b. Varies magnitude only
c. Varies phase only
19) MTCS semiconductor
a. Acceptor level lies close to valence bond
b) Donor level lies close to valence bond
C. Both a and b
20) Pcb constructed from
a. Thin sheet conducting material
b. Thick sheet non-conducting material
c. Thin sheet non-conducting material
NOTE – These questions are written based on memory, so cross check all answers.