Measurement of Temperature and Heat, Change of State and Latent Heat, Modes of Heat Transfer NDA Questions

NDA Physics

Measurement of Temperature and Heat, Change of State and Latent Heat, Modes of Heat Transfer MCQ Questions


1.
What is the standard unit of temperature in the SI system?
A.
Kelvin
B.
Celsius
C.
Fahrenheit
D.
Rankine
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ANSWER :
A. Kelvin
2.
What is the temperature at which water boils at standard atmospheric pressure?
A.
273 degrees Kelvin
B.
100 degrees Celsius
C.
0 degrees Celsius
D.
212 degrees Fahrenheit
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ANSWER :
B. 100 degrees Celsius
3.
What is the freezing point of water in Celsius scale?
A.
0 °C
B.
32 °C
C.
-273.15 °C
D.
100 °C
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ANSWER :
A. 0 °C
4.
What is the boiling point of water in Fahrenheit scale?
A.
-273.15 °F
B.
0 °F
C.
212 °F
D.
100 °F
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ANSWER :
C. 212 °F
5.
What is the temperature coefficient of resistance?
A.
The change in resistance per unit temperature change
B.
The change in temperature per unit resistance change
C.
The temperature at which resistance becomes zero
D.
The resistance at a specific temperature
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ANSWER :
A. The change in resistance per unit temperature change
6.
What is the SI unit of temperature coefficient of resistance?
A.
Ohm
B.
Celsius
C.
Kelvin
D.
Ohm per Kelvin
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ANSWER :
D. Ohm per Kelvin