1.
Which device holds a phono cartridge?
Correct Answer
C. Tone Arm
Explanation
The correct answer is Tone Arm. A phono cartridge is a small device that contains a stylus or needle, which is used to read the grooves on a vinyl record. The tone arm is the part of a turntable that holds the phono cartridge and allows it to move across the record surface. It is responsible for accurately tracking the grooves and transferring the vibrations to the cartridge, which then converts them into an electrical signal that can be amplified and played through speakers.
2.
A picture condition in which horizontal lines are displaced in an irregular manner, fits which audio/video term?
Correct Answer
A. Tearing
Explanation
Tearing is the correct answer because it refers to a visual artifact that occurs when the frames in a video are not synchronized properly, causing horizontal lines to appear disjointed or irregular. This can happen when the display device is unable to keep up with the video source, resulting in a torn or fragmented image.
3.
A weight or force pushing the stylus down into the record groove, fits which audio/video term?
Correct Answer
B. Tracking Force
Explanation
Tracking force refers to the weight or force that pushes the stylus down into the record groove of a vinyl record. This force is necessary to ensure proper contact between the stylus and the groove, allowing for accurate playback of the audio. The tracking force needs to be set correctly to prevent distortion or damage to the record. Therefore, the correct answer is Tracking Force.
4.
How long did it take to design and build the world's first privately funded spacecraft, "Spaceship One"?
Correct Answer
B. Three Years
Explanation
Spaceship One, the world's first privately funded spacecraft, took three years to design and build. This time frame indicates that the project was efficiently executed, considering the complexity of designing a spacecraft from scratch. It also highlights the significant advancements made in private space exploration, as the development of a spacecraft typically requires extensive planning, engineering, and testing. The three-year duration showcases the dedication, expertise, and resources invested in bringing this groundbreaking spacecraft to life.
5.
What are programs designed to allow 3rd parties unauthorized access to the computer systems they infect called?
Correct Answer
B. Trojans
Explanation
Trojans are programs designed to allow unauthorized access to computer systems. Unlike viruses or worms, they do not replicate themselves but instead masquerade as legitimate software to deceive users into installing them. Once installed, Trojans can give remote access to hackers, enabling them to steal sensitive information, control the infected system, or launch further attacks. Adware, spam, and CGI programs do not necessarily involve unauthorized access to computer systems, making them incorrect choices for this question.
6.
What is the fasting growing plant?
Correct Answer
D. Bamboo
Explanation
Bamboo is the correct answer because it is known to be the fastest-growing plant in the world. Some species of bamboo can grow up to 91 cm (35 inches) per day, making it an incredibly rapid-growing plant. Its unique growth rate is due to its specialized structure and ability to quickly absorb and transport water and nutrients. Bamboo's fast growth makes it a highly sustainable and renewable resource, which is why it is widely used for various purposes such as construction, furniture, and even food.
7.
One nautical mile equals one minute of what?
Correct Answer
A. Latitude
Explanation
One nautical mile equals one minute of latitude. This means that for every minute of latitude traveled, a ship or aircraft will cover a distance of one nautical mile. Latitude is a measurement of distance north or south of the equator, and nautical miles are used in navigation to calculate distances on the Earth's surface. Therefore, the correct answer is latitude.
8.
In October 1997, Thrust SSC, was the first car to exceed the speed of sound. How fast was he going?
Correct Answer
C. 763 MpH
Explanation
Thrust SSC, in October 1997, became the first car to exceed the speed of sound. Out of the given options, the correct answer is 763 Mph.
9.
If you yelled for 8 years, 7 months and 6 days, you would have produced enough sound energy radiation to do what?
Correct Answer
A. Heat One Cup Of Coffee
Explanation
If you yelled for 8 years, 7 months, and 6 days, you would have produced a significant amount of sound energy radiation. This energy can be converted into heat energy, and it is estimated that it would be enough to heat one cup of coffee. Sound energy is a form of kinetic energy, and when it is absorbed by an object, it causes the molecules to vibrate, resulting in an increase in temperature. Therefore, the correct answer is "Heat One Cup Of Coffee."
10.
Hockey pucks travel at speeds of up to how many miles an hour?
Correct Answer
D. 100 MpH
Explanation
Hockey pucks travel at speeds of up to 100 mph. This indicates that the maximum speed at which a hockey puck can travel is 100 miles per hour.
11.
It is about 3300 miles from Seattle to Miami, how fast do you need to fly to get there in 3 hours?
Correct Answer
D. 1100 MpH
Explanation
To determine how fast you need to fly to cover a distance of 3300 miles in 3 hours, you can divide the distance by the time. Therefore, 3300 miles divided by 3 hours equals 1100 miles per hour (Mph). This means that you would need to fly at a speed of 1100 Mph to reach Miami from Seattle in 3 hours.
12.
Which one of the following disorders is sex-linked?
Correct Answer
C. Color Blindness
Explanation
Color blindness is a sex-linked disorder because it is caused by a gene located on the X chromosome. Since males have only one X chromosome, they are more likely to inherit the disorder if their mother carries the gene. Females, on the other hand, have two X chromosomes, so they have a lower chance of inheriting the disorder. This pattern of inheritance makes color blindness more common in males than in females.
13.
Vampire bats are endemic to which region of the world?
Correct Answer
A. Latin America
Explanation
Vampire bats are endemic to Latin America. This region includes countries such as Mexico, Brazil, Argentina, and others. Vampire bats are primarily found in tropical and subtropical areas, where they feed on the blood of other animals. They are known for their unique feeding behavior and are commonly associated with vampire folklore. Europe, Africa, and Asia do not have native populations of vampire bats, making Latin America the correct answer.
14.
What are you hearing when you put a seashell to your ear?
Correct Answer
D. Air Resonating
Explanation
When you put a seashell to your ear, you are hearing the sound of air resonating. The shape of the seashell acts as a natural amplifier, capturing and amplifying the surrounding sounds. As you hold the seashell to your ear, the air inside the shell vibrates in response to the sound waves in the environment, creating a resonating effect. This amplified sound is what you perceive as the sound of the ocean or a rushing noise.
15.
What color eyes are the most sensitive to light?
Correct Answer
C. Blue
Explanation
Blue eyes are the most sensitive to light because they have less melanin, which is a pigment that helps protect the eyes from the harmful effects of sunlight. The lack of melanin in blue eyes allows more light to enter the eyes, making them more sensitive to bright lights and sunlight. This can cause discomfort and potentially lead to vision problems.