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22102 Unit I online test

You got 10 of 15 possible points.
Your score: 67%
Question 1

In___________ the valancy band and coduction band overlap each other 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conductors 

Correct
1
Should have chosen

Insulators 

0

Semiconductors 

0

None of above 

0
Question 2

Which of the following is a semiconductor material 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Aluminium 

Incorrect
0

Germanium 

0
Should have chosen

Mica

0

Copper 

0
Question 3

SI Unit of temp is__________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

K [ Kelvin ] 

Correct
1
Should have chosen

J [ Joule }

0

F [ Farhenite ]

0

ºC  [ Celcius ]

0
Question 4

For Conductors as the teperators increases conductivity____________________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Increases 

Incorrect
0

Decreases 

0
Should have chosen

Does not change 

0

None of above 

0
Question 5

The gap between valance band and conduction band is called 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Breakdown gap 

0

Valancy gap 

0
Selected

Forbidden energy gap 

Incorrect
0

None of above 

0
Should have chosen
Question 6

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Aluminium 

0

Copper 

0

Steel 

0
Selected

Glass 

Correct
1
Should have chosen
Question 7

Which mode of heat transfer takes place without actual migration of particiles 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Correct
1
Should have chosen

Conveection 

0

Radiatiion 

0

None of above

0
Question 8

Which mode of heat transfer can take place even without a medium 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Condultion

0

Convection 

0
Selected

Raliation 

Correct
1
Should have chosen

None of abve 

0
Question 9

Which mode of heat transfer is fastest as all other modes 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Conduction 

0

Convection 

0
Selected

Radilation 

Correct
1
Should have chosen

None of above 

0
Question 10

Which mode of heat transfer is slowest of all other models 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Convection 

0
Selected

Conduction 

Correct
1
Should have chosen

Radiation 

0

None of above 

0
Question 11

100ºC will be when converted into kelvin will become 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

-273 K

0

273 K

0

212 K

0
Selected

373 K

Correct
1
Should have chosen
Question 12

A Cup of tea kept on table losses its heat by______________process 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Conduction 

0
Selected

Convection 

Incorrect
0

Radiation 

0

All of above 

0
Should have chosen
Question 13

32 F when converted into celcius will become_____________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

273ºC

0
Selected

0ºC

Correct
1
Should have chosen

373ºC

0

100ºC

0
Question 14

The Boiling point of water in Kelvin scale of temperature is _______________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

373 K

Correct
1
Should have chosen

273 K

0

100 K

0

212 K

0
Question 15

The boiling Point of water in farfhenite scale is_______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

373ºF

0
Should have chosen
Selected

212ºF

Incorrect
0

273ºF

0

100ºF

0