Chapter 85

Question 0

An inclined manometer is commonly used:
A) when very low pressure or vacuums are being measured
B) to measure high pressure differentials
C) in conjunction with a flexible rubber diaphragm
D) when reading accuracy is not critical
E) for measuring level

Answer 0

A) when very low pressures or vacuums are being measured

Question 1

In a glass stem thermometer the space above the liquid is usually:
A) carbon dioxide
B) argon
C) evacuated
D) air
E) approximately 50% air

Answer 1

C) evacuated

Question 2

A chromatograph uses electronic devices which:
A) utilize electrical current as a measured base
B) have decreased resistance as temperature rises
C) increase in resistance as temperature rises
D) work in conjunction with a thermocouple
E) are made of chromel and alumel

Answer 2

B) have decreased resistance as temperature rises

Question 3

The electrical output from a thermocouple is measured by:
A) milliampmeter
B) wattmeter
C) milliwattmeter
D) millivoltmeter
E) power meter

Answer 3

D) millivoltmeter

Question 4

A device used to measure variations in atmospheric pressure is called a:

Answer 4

Barometer

Question 5

To increase the movement of a bourdon tube without the use of linkage that may cause additional error, the tube can be formed into the shape of a ______ or a _____.

Answer 5

Spiral, helix

Question 6

Name three types of sensing elements used to measure flow by creating a differential pressure in the pipe.

Answer 6

Orifice plate
Flow nozzle
Venturi tube