1. . Mercury filled thermometer is used for the measurement of ________.
(A) Density
(B) Temperature
(C) Humidity
(D) Height
2. . Working principle of mercury in glass thermometer is ________.
(A) Volumetric expansion
(B) Pressure rise with temperature
(C) Linear expansion
(D) none of these
3. . In pressure thermometers when mercury is used, the bulb and capillary should be made of ________.
(A) Copper
(B) Copper alloys
(C) Stainless steel
(D) Monel
4. . The __________ of the mercury filled thermometer acts as a container for the mercury where it can easily expand or contract in capacity.
(A) Scale
(B) Bulb
(C) Mercury
(D) Stem
5. . A __________ mainly argon or nitrogen which is filled inside the thermometer above mercury to trim down its volatilization.
(A) Reactive gas
(B) Nobel gas
(C) Active gas
(D) Inert gas
6. . When heat is applied to the bulb of the mercury in bulb________.
(A) Expands
(B) Contracts
(C) Remain in bulb
(D) Not change
7. . Mercury has _________ coefficient of thermal expansion ________.
(A) Negative
(B) Constant
(C) Low
(D) High
8. . Mercury is the only one in ___________ state at room temperature.
(A) Liquid
(B) Solid
(C) Gas
(D) All these
9. . The thermometer consists of a mercury-filled bulb connected to a thin capillary with a ________.
(A) Vertical Scale
(B) Temperature Scale
(C) Horizontal Scale
(D) Pressure scale