MEEN 464 Lab 1 | UPDATED Questions with 100% Verified Answers

MEEN 464 Lab 1 | UPDATED Questions with 100% Verified Answers

Question:
T-Type thermocouples consist of:

Answer:
Copper/Constantan


Question:
Which thermocouple will have the shortest time constant?
- 30-gage T-type thermocouple with an exposed junction
- Sheathed 0.25-inch diameter T-type thermocouple
- Sheathed 0.25-inch diameter K-type thermocouple
- Sheathed 0.125-inch diameter Ty-type thermocouple

Answer:
30-gage T-type thermocouple with an exposed junction


Question:
Overall uncertainty is defined as:

Answer:
((Bias Limit)^2 + (Precision Limit)^2)^0.5


Question:
Resistance Temperature Detectors (RTD) measure the
temperature by:

Answer:
The change in electrical resistance in pure metals as a
function of temperature


Question:
Which of the following has the largest thermal conductivity?
- Copper
- Aluminum
- Brass
- Stainless Steel

, Answer:
Copper


Question:
Rods can be approximated as:

Answer:
- Perfect insulation of the rods
- Constant properties of the material such as thermal
conductivities
- 1-Dimensional heat conduction along the axis of the rods (or
radial direction for a solid disc)


Question:
Which of the following is not a correct statement on thermal
conductivity?
- Thermal conductivity of a vacuum approaches infinity.
- Thermal conductivity is the property of a material.
- Thermal conductivity of a material varies with temperature.
- Thermal conductivity of gases and liquids is generally
smaller than that of solids.

Answer:
Thermal conductivity of a vacuum approaches infinity.


Question:
Which of the following has lowest thermal conductivity?
- Ceramic
- Stainless Steel
- Aluminum
- Brass

Answer:
Ceramic