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22102 Unit I online test

You got 5 of 15 possible points.
Your score: 33%
Question 1

A Pure semiconductor is Called ___________semiconductors 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Trivalent 

0

Pentavalent 

0
Selected

Extrinsic 

Incorrect
0

Intrinsic 

0
Should have chosen
Question 2

Indium (In) Boron (B) and Aluminium (Al) are examples of 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Divalent

0

Pentavalent 

0
Selected

Tetravalent 

Incorrect
0

Trivalent 

0
Should have chosen
Question 3

In___________ the valancy band and coduction band overlap each other 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Conductors 

0
Should have chosen
Selected

Insulators 

Incorrect
0

Semiconductors 

0

None of above 

0
Question 4

Silicon (Si) and Germanium (Ge) are _______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Pentavalent 

0
Should have chosen

Tetavalent 

0
Selected

Divalent 

Incorrect
0

Trivalent 

0
Question 5

The resisitivity as insulator is between____________________-

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

10^{-2} to 10^{-8}

0
Selected

10^{-5} to 10^{6}

Incorrect
0

10^{11} to 10^{19}

0
Should have chosen

None of above 

0
Question 6

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 7

Cp is always_____________CV

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Smaller than 

0

Greater than 

0
Should have chosen
Selected

equal to 

Incorrect
0

Half of 

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: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Incorrect
0

Convection 

0

Radilation 

0
Should have chosen

None of above 

0
Question 10

Which of the follwoing material is bad wnductor of heat 

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Glass 

Correct
1
Should have chosen

Aluminium 

0

Steel 

0

Copper 

0
Question 11

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

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

212 K

0

273 K

0
Selected

373 K

Correct
1
Should have chosen

100 K

0
Question 12

100ºC will be when converted into kelvin will become 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

373 K

0
Should have chosen

212 K

0

273 K

0

-273 K

0
Question 13

A Cup of tea kept on table losses its heat by______________process 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

Conduction 

0

Convection 

0

Radiation 

0

All of above 

0
Should have chosen
Question 14

32 F when converted into celcius will become_____________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer

273ºC

0

100ºC

0
Selected

0ºC

Correct
1
Should have chosen

373ºC

0
Question 15

100ºC will be___________when converted into forhentie 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer

273 F 

0

212 F 

0
Should have chosen
Selected

-273 F 

Incorrect
0

373 F 

0