A pyrometer that measures radiant energy at two different wavelengths is the ___

Question

A pyrometer that measures radiant energy at two different wavelengths is the _____ pyrometer.

a.     broadband

b.    optical

c.     ratio

d.       dual color

Flow rates of solids are determined by measuring the weight on a specified length of a conveyer belt during a given time period.

a.       True

b.       False

The method of measuring one variable to determine the value of another is referred to as _____.

a.       the conversion method

b.       an inferred measurement

c.       a translation measurement

An increased thermocouple output voltage can be obtained by wiring two or more thermocouples in parallel.

a.       True

b.       False

The low atmospheric pressure that exists on a stormy day will have a different effect on an open container hydrostatic pressure reading than when a high atmospheric pressure exists on a clear day.

a.       True

b.       False

A rodgauge provides an inferred measurement for level.

a.       True

b.       False

Explanation / Answer

1. The power detection of two different wavelengths is done by a ratio pyrometer.Answer C is the correct choice

2. True : Conveyor based measurements employ method in which flow rate is calculated for a mass of material on the given length of conveyer multiplied by the velocity

i.e if L is the length of conveyor for mass M and v is the velocity

then flow rate = mv/L

l/v = given time Therefore flow rate = mass/ given time

3. The method of measuring one variable to determine the value of another is referred to as inferred measurement

4.An increased thermocouple output voltage can be obtained by wiring two or more thermocouples in parallel. This is false

5. The low atmospheric pressure that exists on a stormy day will have a different effect on an open container hydrostatic pressure reading than when a high atmospheric pressure exists on a clear day.This is true

6A rod gauge provides an inferred measurement for level. true

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