1. . The technique which supports the measurement of temperature of the objects without touching them is called as__________ measurement.
(A) Wireless
(B) Pyrometric
(C) Cold
(D) Reference
2. . In an optical pyrometer to measure the temperature a comparison of__________ is made
(A) Darkness
(B) Hotness
(C) Brightness
(D) Height
3. . In optical pyrometer, the reference temperature is produced by
(A) Furnace
(B) Cooler
(C) Heater
(D) Lamp
4. . For an object, its light intensity always depends on the _____________ of the object
(A) Material
(B) Temperature
(C) Expansion
(D) Brightness
5. . The dark filament of the optical pyrometer means the temperature of is_________ the temperature source.
(A) Less than
(B) Higher than
(C) Same
(D) All these
6. . The bright filament of the optical pyrometer mean that it is _________ the temperature source.
(A) Cooler than
(B) Hotter
(C) Same
(D) All these
7. . At equal brightness between the filament and temperature source, the filament
(A) Dark
(B) Bright
(C) Disappear
(D) Not effected
8. . As the measurement is based on the light intensity, the device can be used only in applications with a minimum temperature of_________.
(A) 0 °C
(B) 100 °C
(C) 200 °C
(D) 700 °C
9. . Radiation Pyrometer can be used for high heat applications and can measure _________between 0.70 microns to 20 microns.
(A) Temperature
(B) Frequency
(C) Wavelength
(D) Intensity