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22102 Unit I online test

You got 3 of 15 possible points.
Your score: 20%
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

A Pure semiconductor is Called ___________semiconductors 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Extrinsic 

Incorrect
0

Pentavalent 

0

Trivalent 

0

Intrinsic 

0
Should have chosen
Question 3

Silicon (Si) and Germanium (Ge) are _______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Divalent 

Incorrect
0

Trivalent 

0

Tetavalent 

0

Pentavalent 

0
Should have chosen
Question 4

Which of the following is trivalent impurity ____________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Antimony (Sb)

Incorrect
0

Germanium (Ge)

0

Arsenis (As) 

0

Boron (B) 

0
Should have chosen
Question 5

In Gay husaces law which of the following is constent 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Pressure 

Incorrect
0

Temperature 

0

Volume 

0
Should have chosen

Act of above 

0
Question 6

Which mode of heat transfer is slowest of all other models 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Convection 

Incorrect
0

Conduction 

0
Should have chosen

Radiation 

0

None of above 

0
Question 7

Which of the follwoing material is bad wnductor of heat 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Copper 

Incorrect
0

Steel 

0

Aluminium 

0

Glass 

0
Should have chosen
Question 8

Cp is always_____________CV

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

equal to 

Incorrect
0

Half of 

0

Smaller than 

0

Greater than 

0
Should have chosen
Question 9

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 10

Conduction is ___________than convection 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Medium 

Incorrect
0

Faster 

0

Slower 

0
Should have chosen
Question 11

The boiling Point of water in farfhenite scale is_______________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

100ºF

Incorrect
0

373ºF

0
Should have chosen

273ºF

0

212ºF

0
Question 12

32 F when converted into celcius will become_____________

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

273ºC

Incorrect
0

100ºC

0

0ºC

0
Should have chosen

373ºC

0
Question 13

A Cup of tea kept on table losses its heat by______________process 

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

Conduction 

Incorrect
0

Convection 

0

Radiation 

0

All of above 

0
Should have chosen
Question 14

273.15 K when converted into desree celcius will become________________

Score: 1 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

0ºC

Correct
1
Should have chosen

273ºC

0

32ºC

0

100ºC

0
Question 15

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

Score: 0 of 1
Your answerChoiceCorrect?ScoreCorrect answer
Selected

212 K

Incorrect
0

273 K

0

373 K

0
Should have chosen

100 K

0