How many 500 Gigabytes hard drives will I need to store 50 Petabytes of Data?
2000.
Fun Fact: Global monthly Internet traffic in 2004 was 1000 Petabytes = 1 million Terabytes!!
What kind of bridge is the Golden Gate Bridge in San Francisco?
Suspension Bridge
Frequency of Ultrasound Waves is
A) less than 20 Hz
B) between 20 Hz and 2 kHz
C) between 2 kHz and 20 kHz
D) greater than 20 kHz
D) greater than 20 kHz
IC chips for computers are usually made of?
Silicon
BMW
Bavarian Motor Works
In a row of trees, a tree is 7th from the left end and 14th from the right end. How many trees are there in the row?
A) 18
B) 19
C) 20
D) 21
In terms of engineering software, what does CAD stand for?
Computer Aided Design
If an object is at rest, then Distance (Y - axis) vs Time (X - axis) graph
A) is vertical
B) is horizontal
C) has 45° positive slope
D) has 45° negative slope
B) is horizontal
Rutherford's alpha particle scattering experiment on thin gold foil was responsible for the discovery of?
Electron
HTML
Hypertext Markup Language
I brought a shirt at 10% discount and sold it to a friend at a loss of 10%. If the friend paid me $729.00 for the shirt, what was the undiscounted price of the shirt?
A) 800
B) 1000
C) 911.25
D) 900
D) 900
Galvanized steel are steel product coated with?
Zinc
Which of the following statements is correct for a plane mirror?
A) Its focal length is 0
B) The size of the image of an object placed in front of the mirror is slightly less than that of the object
C) The image is virtual, erect and laterally inverted
D) Its focal length is 200 cm
C) The image is virtual, erect and laterally inverted
Soap solution used for cleaning purposes appears cloudy. This is due to the fact that soap micelles can
A) refract light
B) scatter light
C) diffract light
D) polarize light
B) scatter light
WiFi
Wireless Fidelity
A steel ball of 4 mm radius is melted to form small balls with a radius of 1 mm. How many can be made?
64
A 100 W electric bulb is used for 8 hours a day. How many units of energy are consumed in April?
24
If an object moves at a non-zero constant acceleration for a certain interval of time, then the distance it covers in that time
A) depends on its initial velocity
B) is independent of its initial velocity
C) increases linearly with time.
D) depends on its initial displacement.
A) depends on its initial velocity
Which one of the following is a heterogeneous mixture?
A) Hydrochloric Acid
B) Vinegar
C) Milk
D) Soda
C) Milk
Portable Document Format
How many two digit numbers are divisible by 4?
22
Computer Hard Disk was first introduced by which company?
IBM
Radar speed guns used by cops are based on which principle?
Doppler Effect
Which is not a process of chemical weathering?
A) Solution
B) Carbonation
C) Oxidation
D) Exfoliation
D) Exfoliation
CIA
Central Intelligence Agency