Measurement of low temperature

At what conditions, gas is filled in gas thermometer

• High Temperature

• Low Temperature

• High Pressure

• Low Pressure

Which of the following is not a secondary thermometer?

• Vapour pressure thermometers

• Resistance thermometers

• Thermoelectric thermometers

• Gas thermometers

_______Alloys are used for more than 1400 degree Celsius

• Platinum

• iron

• gold

• platinum irridium

The instrument used to measure the temperature is called

• Calorimeter

• Voltmeter

• Thermometer

• Galvanometer

RTD Stands for

• Resistance Temperature Deflector

• Resistance Temperature Detector

• Resistance Thermal Device

• Resistance Temperature Doping

When heat is applied to the joined ends of the thermocouple

• emf is generated

• Volume increases

• Pressure increases

• Thermal equilibrium is generated

Thermocouple works on

• Kelvin effect

• Peltier effect

• Seeback effect

• Thomson effect

Resistance thermometer generally makes use of ------ for the measurement of resistance

• Kelvin Bridge

• Diode Bridge

• Carey Foster Bridge

• Wheatstone Bridge

Which one of these thermometers is best is suited for measuring rapidly changing temperatures?

• Constant volume gas thermometer

• Resistance thermometer

• Thermocouple

• Mercury in Glass thermometer

When vapour pressure of liquid is equal to the atmospheric pressure, what happens to the liquid???

• The liquid boils

• The liquid becomes viscous

• The liquid freezes

• The liquid remains same