____________ are analysed using a Polarograph?
____________ are analysed using a Polarograph?
A. Isotonic solutions
B. Solids
C. Liquids
D. Gases
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Continuous measurement of moisture content of paper in paper industry is done by measuring the_________________?
Continuous measurement of moisture content of paper in paper industry is done by measuring the_________________?A. Thermal conductivity through the paper
B. Electrical resistance through the paper
C. Magnetic susceptibility
D. None of theseFlow rate of a river is measured by a/an____________________?
Flow rate of a river is measured by a/an____________________?A. Pitot tube
B. Vane meter
C. Kennison nozzle
D. Open weirWhich of the following is not a second order instrument ?
Which of the following is not a second order instrument ?A. Mercury in glass thermometer with covering
B. Bare mercury in glass thermometer
C. Pressure gauge with one bellow, two tubes and a tank
D. None of theseWith increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer ?
With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer ?A. Increases
B. Decreases
C. Remain constant
D. Increases exponentiallyTemperature of _____________ cannot be measured by an optical or radiation pyrometer?
Temperature of _____________ cannot be measured by an optical or radiation pyrometer?A. Hot blast (air) from stoves
B. Molten slag flowing out of blast furnace
C. Combustion space in boilers
D. Rotary limestone calcination kilnA constant volume gas thermometer employing ______________ is used to measure sub-zero (i.e., < 0°C) temperature?
A constant volume gas thermometer employing ______________ is used to measure sub-zero (i.e., < 0°C) temperature?A. Helium
B. Hydrogen
C. Nitrogen
D. None of these