0

science & technology Online Quiz - 493

Description: science & technology Online Quiz - 493
Number of Questions: 20
Created by:
Tags: science & technology
Attempted 0/20 Correct 0 Score 0

This amazing and religious genius believed that his insights into the functioning of the universe were merely recovered artifacts of "ancient wisdom" from pre-Christian civilizations that understood the principles of the universe

  1. Leonardo da Vinci

  2. L Ron Hubbard

  3. Sir Isaac Newton

  4. Ibn al-Haitham


Correct Option: C

Which ancient Greek genius philosopher was made to execute himself by drinking a cup of poisonous hemlock as his sentence for publicly criticizing the ruling class?

  1. Archimedes

  2. Aristotle

  3. Plato

  4. Socrates


Correct Option: D

Where was the PLC first developed, and by who?

  1. In Germany by Werner von Braun

  2. In the USA by Dick Morley

  3. Not any one place or inventor

  4. In Japan by Yamaguchi Morimoto of Mitsubishi


Correct Option: B

Which of these industrial networks in the best?

  1. Profibus

  2. SP/50 Fieldbus

  3. DeviceNet

  4. It all depends on your needs


Correct Option: D

How many networks are now included in the IEC Fieldbus standard?

  1. 1

  2. 3

  3. 8

  4. 15


Correct Option: C

Prices of these automation products/systems are declining fast:

  1. PLCs

  2. DCS

  3. SCADA

  4. All of the above


Correct Option: D

The most measured variable in industrial measurement & control is:

  1. Temperature

  2. Pressure

  3. Flow

  4. Level


Correct Option: A

the law of reflection states that when light rays reflect off a surface the angle of incidence

  1. is one-half the angle of reflection

  2. twice angle of reflection

  3. equals angle of reflection

  4. none of the above


Correct Option: C

after randomly polarized light passes through a polarizer it is

  1. totally blocked

  2. randomly polarized

  3. partially polarized

  4. totally polarized


Correct Option: D
  1. transverse

  2. longitudinal

  3. rotating

  4. circular


Correct Option: A
  1. to operate receiving equipment in dark

  2. for light to travel from sun to earth

  3. for the sun to disappear

  4. all of above


Correct Option: B
  1. angle at which visible light reflects off the object

  2. use of additive than subtractive colors

  3. wavelengths of light that the object reflects

  4. speed with which visible light reaches it


Correct Option: C

Which tech celebrity famously impresses dinner guests by whipping out an acoustic guitar and playing Beethoven's "Ode to Joy"?

  1. Oracle chairman Larry Ellison

  2. Netscape inventor Marc Andreessen

  3. Google CEO Eric Schmidt

  4. Salesforce.com CEO Marc Benioff


Correct Option: A

Jason Fried is the founder of what 3N (number noun name) Web 2.0 firm?

  1. 43folders

  2. 37signals

  3. 30boxes

  4. 27jennifers


Correct Option: B

According to Steve Wozniak, what famous hacker wrote the first word processor for the Apple II?

  1. Then-imprisoned hacker and "phone phreak" John Draper (aka Captain Crunch)

  2. Kevin Mitnick, two decades before he went to prison in 1996

  3. Robert T. Morris, who also created the first known worm virus

  4. Jason Burks, aka v00d00, for whom 1976 was an extremely important year


Correct Option: A

In college he started a Hot or Not?-style site for rating fellow students' physical attractiveness, which almost resulted in his expulsion. Since then he's founded a social network. Who is this mystery man?

  1. Jonathan Abrams (Friendster)

  2. Reid Hoffman (LinkedIn)

  3. Biz Stone (Xanga)

  4. Mark Zuckerberg (Facebook)


Correct Option: D
- Hide questions