1. . The bimetallic thermometer uses the bimetallic strip which converts the temperature into the____________.
(A) Pressure
(B) mechanical displacement
(C) Stress
(D) Height
2. . Working principle of bimetallic thermometers is difference in linear coefficient 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) Constantan
3. . How the size of an object changes with a change in temperature is called____________.
(A) Specific Expansion
(B) Specific Change
(C) Coefficient of thermal expansion
(D) Expansion of size
4. . A mechanical element used to sense temperature & change it into a mechanical displacement is known as a____________.
(A) Bi-metallic strip
(B) Thermocouple
(C) Pressure spring
(D) Physical element
5. . The bimetallic strip of the thermometer is constructed with metals____________.
(A) Effective
(B) Different
(C) Thin
(D) Same
6. . The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly__________________?
(A) Linear
(B) Nonlinear
(C) Parabolic
(D) Hyperbolic
7. . Every metal has a ______________ temperature coefficient.
(A) Low
(B) High
(C) Different
(D) Same
8. . The strip bends towards the metal which has a _______ temperature coefficient
(A) Low
(B) High
(C) Different
(D) Constant
9. . Which one of the following bimetallic thermometers is used for industrial application?
(A) Spiral
(B) Helical
(C) Horizontal
(D) Vertical
10. . The bimetallic thermometer is used in____________.
(A) Ovens
(B) Air conditioners
(C) Hot wires
(D) All these