Bimetal strips are not used in________________?

Related Mcqs:

1. The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly__________________?

   A. Linear
   B. Non-linear
   C. Parabolic
   D. Hyperbolic

2. 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 ?

   A. Nickel
   B. Brass
   C. Chromel
   D. Invar

3. Very low pressure is expressed in microns (μ), which is equal to ____________ mm of Hg column (absolute) at 0°C?

   A. 0.0001
   B. 0.001
   C. 0.01
   D. 0.1

4. Composition of alloys can be determined by _________________?

   A. Polarograph
   B. Chromatograph
   C. Refractometer
   D. None of these

5. Platinum resistance thermometer is the international standard for temperature measurement between __________________?

   A. Triple point of hydrogen and freezing point of antimony
   B. 13.81°K to 903.9°K
   C. Both A. and B.
   D. Neither A. nor B.

6. The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C?

   A. 250
   B. 500
   C. 750

   D. 1000

7. 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.

8. Compositional analysis of ______________ is done using mass spectrometer?

   A. An isotope
   B. Natural gas
   C. A solid
   D. An alloy

9. Gas analysis is commonly done using the___________________?

   A. Thermal conductivity cell
   B. X-ray diffraction
   C. Mass spectrometer
   D. Emission spectrometer

10. Which of the following measurements can be made by the measurement of emf ?

    A. pH value
    B. Degree of hydrolysis
    C. Composition of complex ions
    D. All A., B. & C.