Dilute wine was used as a thermometric liquid initially to develop temperature scale. First empirical temperature scale developed was the _____________ scale?

Related Mcqs:

1. Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a __________________?

   A. Thermocouple
   B. Resistance thermometer
   C. Mercury in glass thermometer
   D. Vapor pressure thermometer

2. Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by__________________?

   A. Making the volume of thermometer bulb as large as conveniently possible
   B. Reducing the volume of the capillary to a minimum
   C. Reducing the volume of the receiving element to a minimum
   D. All A , B & C.

3. Water is entering a storage tank at a temperature T0 and flow rate Q0 and leaving at a flow rate Q and temperature T. There are negligible heat losses in the tank. The area of cross-section of the tank is A0. The model that describes the dynamic variation of temperature of water in the tank with time is given as________________?

   A. Q0(T0 – T) = Ac . h (dT/dt)
   B. Q0T0 – QT = Ac . h (dT/dt)
   C. Q(T0 – T) = Ac . h (dT/dt)
   D. Q(T0 – T) = Ac . (dTH/dt)

4. Which of the following does not figure in the list of seven substances selected for international temperature scale ?

   A. Ice (F.P) and steam (B.P)
   B. Oxygen and sulphur (B.P)
   C. Antimony and silver (F.P)
   D. Zinc (B.P) and mercury (F.P)

5. Thermodynamic Celsius scale of temperature measurement is________________?

   A. Defined on the basis of melting point of ice and evaporation temperature of water vapor
   B. Defined on the basis of melting point of ice and condensation temperature of water vapor
   C. Having an interval of 100° between ice point to steam point
   D. Both B. and C.

6. Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively_________________?

   A. – 273° & 80°
   B. 0° & 80°
   C. 32° & 460°
   D. 32° & 80°

7. Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is________________?

   A. Chromel-alumel
   B. Iron-constantan
   C. Platinum-platinum + rhodium
   D. None of these

8. Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is ___________________?

   A. Chromel-alumel
   B. Iron-constantan
   C. Platinum-rhodium
   D. Platinum-platinum + rhodium

9. Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is_______________?

   A. Chromel-alumel
   B. Iron-constantan
   C. Platinum-platinum + rhodium
   D. Either A., B. or C.

10. Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?

    A. 961.93
    B. 630.74
    C. 1064.43
    D. 1261.93