Nickel percentage in invar which is an iron-nickel alloy, and is used – McqOptions

MCQOPTIONS

1.	Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is __________________?
A.	12
B.	36
C.	54
D.	68
Answer» C. 54

Discussion

No Comment Found

Related MCQs

Which of the following thermocouples has the least temperature measurement range ?
Which of the following thermocouples is capable of measuring a temperature of -50°C ?
Which of the following thermometers is not suitable for distant reading upto 60 metres ?
Which of the systems having following transfer functions is stable ?
With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer ?
Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?
Working principle of disappearing filament type optical pyrometer is based on the ________________?
Working principle of mercury in glass thermometer is based on the ______________ of mercury with increase in temperature?
Working principle of mercury in glass thermometer is__________________?
Working principle of radiation pyrometer is based on the ________________?