

MCQOPTIONS
Saved Bookmarks
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Avionics knowledge and support exam preparation. Choose a topic below to get started.
1. |
The solid-state instruments are of higher accuracy than mechanical systems. |
A. | True |
B. | False |
Answer» B. False | |
2. |
What is the operating voltage of Solid-state integrated standby instrument? |
A. | 11V DC |
B. | 28V DC |
C. | 5V DC |
D. | 115V DC |
Answer» C. 5V DC | |
3. |
The putrifactive anaerobes grow best in the |
A. | medium acid canned foods |
B. | low acid canned foods |
C. | any of these |
D. | high acid canned foods |
Answer» E. | |
4. |
The most important kind of chemical spoilage of canned foods is the hydrogen swell which is favored by |
A. | increasing temperature of storage |
B. | increasing acidities of foods |
C. | all of these |
D. | imperfection in the tinning and lacquering |
Answer» D. imperfection in the tinning and lacquering | |
5. |
The presence of viable non-spore forming bacteria in heat process canned foods indicates leakage of the container. Which of the following is responsible for the spoilage of leaky cans? |
A. | Cooling water |
B. | Plant equipment |
C. | High sugar content |
D. | Highly acidic medium |
Answer» B. Plant equipment | |
6. |
The butyric acid type of fermentation in acid or medium acid foods, with swelling of the container by the carbon dioxide and hydrogen gas is caused by |
A. | pasteurianum |
B. | butyricum |
C. | sporogenes |
D. | both ( and ( |
Answer» E. | |
7. |
Which of the following species can cause bitterness, acidity and curdling in canned milk, cream and evaporated milk? |
A. | Clostridium |
B. | Bacillus |
C. | Saccharomyces |
D. | both ( and ( |
Answer» C. Saccharomyces | |
8. |
Canned sweetened condensed milk may become thickened by |
A. | Clostridium species |
B. | Bacillus species |
C. | Saccharomyces species |
D. | Micrococcus species |
Answer» E. | |
9. |
Sulfur stinker spoilage, caused by is uncommonly found in |
A. | medium acid foods |
B. | low acid foods |
C. | any of these |
D. | high acid foods |
Answer» C. any of these | |
10. |
WHAT_IS_THE_OPERATING_VOLTAGE_OF_SOLID-STATE_INTEGRATED_STANDBY_INSTRUMENT??$ |
A. | 11V DC |
B. | 28V DC |
C. | 5V DC |
D. | 115V DC |
Answer» C. 5V DC | |
11. |
The_solid-state_instruments_are_of_higher_accuracy_than_mechanical_systems.$ |
A. | True |
B. | False |
Answer» B. False | |
12. |
What are the standby instruments that are combined in a Solid state integrated standby instrument? |
A. | Altimeter, vertical speed indicator, artificial horizon |
B. | Altimeter, airspeed indicator |
C. | Altimeter, airspeed indicator, artificial horizon |
D. | Altimeter, turn coordinator, artificial horizon, heading/compass indicator and Mach meter |
Answer» D. Altimeter, turn coordinator, artificial horizon, heading/compass indicator and Mach meter | |
13. |
Which one of the following is false with respect to electromechanical instruments? |
A. | High cost |
B. | Require skilled labor for repair |
C. | Accurate measurements |
D. | Inevitable wear |
Answer» D. Inevitable wear | |
14. |
How many Primary Flight Displays are present in typical civil aircraft cockpit? |
A. | 1 |
B. | 2 |
C. | 4 |
D. | 3 |
Answer» C. 4 | |
15. |
Which of the following is false with respect to multi-function LCD displays in cockpits? |
A. | High resolution |
B. | More information to be displayed |
C. | Bigger and customizable display |
D. | Take more space in cockpits |
Answer» E. | |
16. |
Why are mechanical instruments retained when high tech LED displays are available? |
A. | LED displays are costly |
B. | LED Displays cannot withstand the flight environment conditions |
C. | Probability of failure |
D. | Accuracy |
Answer» D. Accuracy | |
17. |
What are the 5 primary mechanical displays, a Primary Flight Display (PFD) can replace? |
A. | Altimeter, turn coordinator, vertical speed indicator, artificial horizon and heading/compass indicator |
B. | Altimeter, vertical speed indicator, artificial horizon, heading/compass indicator and Mach meter |
C. | Altimeter, vertical speed indicator, artificial horizon, heading/compass indicator and landing gear position |
D. | Altimeter, turn coordinator, artificial horizon, heading/compass indicator and Mach meter |
Answer» C. Altimeter, vertical speed indicator, artificial horizon, heading/compass indicator and landing gear position | |
18. |
OLED display is better than LED because ________ |
A. | They are cheaper |
B. | They have high brightness |
C. | Do not require any illuminating source |
D. | Easy to manufacture |
Answer» D. Easy to manufacture | |
19. |
What are the four electromechanical devices retained while making an avionics update for old aircraft? |
A. | Vertical speed indicator, airspeed indicator, artificial horizon and heading indicator |
B. | Altimeter, airspeed indicator, artificial horizon and angle of attack indicator |
C. | Altimeter, airspeed indicator, turns coordinator and heading indicator |
D. | Altimeter, airspeed indicator, artificial horizon and heading indicator |
Answer» E. | |