Explore topic-wise MCQs in Avionics.

This section includes 121 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.

101.

The step which is not related to product life cycle is

A. growth stage
B. cash cow stage
C. maturity stage
D. introduction stage
Answer» C. maturity stage
102.

The reasons for smaller exposure of foreign exchange than US money center are

A. regulations
B. prudent individuals
C. smaller size of assets
D. all of above
Answer» E.
103.

A bacterial food intoxication refers to

A. food borne illness caused by the presence of a bacterial toxin formed in food
B. illness caused by presence of pathogens
C. none of the above
D. both ( and (
Answer» B. illness caused by presence of pathogens
104.

In retailing, goods known as

A. merchandise
B. manufacturing
C. a & b
D. raw materials
Answer» B. manufacturing
105.

The staphylococcal intoxication refers to presence of

A. neurotoxin
B. an enterotoxin
C. All of these
D. mycotoxin
Answer» C. All of these
106.

The photon of electromagnetic radiation is

A. β ray
B. α ray
C. x-ray
D. γ ray
Answer» E.
107.

The SI unit for pressure is

A. Pascals
B. Joules
C. Newton
D. Watts
Answer» B. Joules
108.

The milk streptococci produce acetoin that gets spontaneously oxidized yielding a flavorings agent (responsible for aroma of butter) that is

A. acetyl coA
B. acetone
C. diacetyl
D. butyric acid
Answer» D. butyric acid
109.

The fatal dose of absolute alcohol in an adult is -

A. 90 ml
B. 150 ml
C. 30 ml
D. 60 ml
Answer» C. 30 ml
110.

WHY_ARE_BOTH_ELECTRICAL_AND_HYDRAULIC_SYSTEMS_ARE_USED_IN_THE_SAME_AIRCRAFT??$

A. To generate more force
B. Quick deflections
C. As a fail safe
D. Hydraulics for more force and electric for quick deflections
Answer» D. Hydraulics for more force and electric for quick deflections
111.

In a typical quadruplex actuator system, how is the failure of an actuator identified?$

A. By comparing it with the signal of the three good ones
B. By comparing it with a simulation model
C. Using in-lane fault detection
D. Using reflectometry
Answer» B. By comparing it with a simulation model
112.

The reason for using quadruplex actuation system is _______$

A. precise movement
B. to counteract heavy air loads on the control surfaces
C. quick reaction to the control stick movement
D. as a fail safe mechanism
Answer» E.
113.

Why are actuators used in FBW systems?

A. Movement of control surfaces
B. Reduce drag
C. Increase lift
D. Safety equipment
Answer» B. Reduce drag
114.

What type of cable is used in ARINC 629?

A. Coaxial cable
B. Screened twisted pair
C. Unscreened twisted pair
D. Parallel lines
Answer» D. Parallel lines
115.

Which one of the following is a military standard data bus?

A. Mil Std 1553
B. ARINC 629
C. ARINC 429
D. COMAC C919
Answer» B. ARINC 629
116.

How are FBW signals transmitted?

A. Simplex
B. Duplex
C. Time division multiplexing
D. Code division multiplexing
Answer» D. Code division multiplexing
117.

FBW system requires an air data system for control and stability.

A. True
B. False
Answer» B. False
118.

Which of the following is not a component of the FBW system?

A. Flight control computer
B. Aircraft motion sensor
C. Actuators
D. Communication receivers
Answer» E.
119.

Which one of the following is not true with respect to the FBW system?

A. FBW is not necessary for every aircraft
B. FBW makes an aircraft stealthy
C. FBW provides better control and carefree flying
D. FBW makes aircraft with low stability fly smoothly
Answer» C. FBW provides better control and carefree flying
120.

How is fly by wire system implemented in an aircraft?

A. By using control rods and linkages connecting stick to control surfaces
B. By using high power radio transmitters and receivers
C. By using computers and actuators to control surfaces
D. Artificial intelligence
Answer» D. Artificial intelligence
121.

Why is the BFW system used?

A. To control aerodynamically efficient but unstable body
B. For communications in aircraft
C. Better navigation
D. Reduced chances of enemy detection
Answer» B. For communications in aircraft