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Ece 2

The document consists of a series of multiple-choice questions related to electrical engineering and computer science concepts. Topics covered include MIG welding, types of oscilloscopes, electrical measurements, amplifiers, and computer systems. Each question provides four answer options, with the correct answers indicated by an asterisk.

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kavithakumar87
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9 views2 pages

Ece 2

The document consists of a series of multiple-choice questions related to electrical engineering and computer science concepts. Topics covered include MIG welding, types of oscilloscopes, electrical measurements, amplifiers, and computer systems. Each question provides four answer options, with the correct answers indicated by an asterisk.

Uploaded by

kavithakumar87
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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1.

MIG is also referred as:


A. SMAW
B. GMAW *
C. GTAW
D. OAW

2. is a kind of oscilloscope which consist of narrowband if filter and a local


oscillator (receiver) capable of showing transmitter carriers, spacing,
harmonics and sidebands.
A. Polygraph
B. Harmonics analyzer
C. Spectrum analyzer *
D. Computerized tomography

3. One cycle is equal to how many degrees of rotation of a conductor in a magnetic


field?
A. 270
B. 360 *
C. 180
D. 90

4. A measuring device which will result to full scale reading at shorted terminal
condition
A. Voltmeter
B. Ammeter
C. Electrostatic meter
D. Ohmmeter *

5. If the voltage gain for each input of a summing amplifier with a 4.8 kilo-ohm
feedback resistor is unity, the input resistors must have a value of kilo-ohm.
A. 4.8 times the number of inputs
B. 48
C. 4.8 divided by the number of inputs
D. 4.8 *

6. To match the waveguide to the load, devices are placed in the waveguide.
A. Standing wave
B. Resistive
C. Metal plate
D. Impedance changing *

7. What is the generic term for utilities and programs needed to operate a computer
system?
A. Hardware
B. Software *
C. People water
D. Tupper ware
8. The computer worm that infected computer systems world-wide in 10
minutes, making it the fastest computer virus ever known is called
.
A. Claw Hammer
B. Sledge Hammer
C. SQL Hammer *
D. SARS Virus

9. The channel of JFET is between the .


A. Input and output
B. Drain and source *
C. Gate and drain
D. Gate and source

10. What is the common use of a push-pull amplifier?


A. AN OPAMP
B. A driver *
C. Wideband amplifier
D. A coupler

11. For a bipolar junction transition (BJT) to operate properly, the base-
collector junction should be

biased.
A. Positive
B. Forward
C. Negative
D. Reverse *

12. Large centralized data-processing complexes like multi-national


companies, departments and corporations use which type of general-
purpose computer that operates programs simultaneously?
A. Mini-computer
B. Micro0computer
C. Main-frame computer *
D. Super-computer

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