1 of 206
Term
A common cause of antifriction bearing failure is:
Select one:
a. Shaft misalignment
b. Drive motor overload
c. Extreme cold temperature cracking
d. High RPM service
Give this one a try later!
c d
a b
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2 of 206
,Term
To reduce the leakage through a valve packing:
Select one:
a. Tighten one gland nut fully then the other one
b. Evenly distribute torque on gland nuts
c. Hand tighten only gland nuts
d. All of the answers
e. Tighten until the handle cannot be turned
Give this one a try later!
c e
d b
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3 of 206
Term
Thermal Resistance is:
Select one:
a. often called the "TR" factor
b. a rate of heat flow
c. the reciprocal of Thermal transmittance
d. also known as a material's "R" value
,Give this one a try later!
c b
d a
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4 of 206
Term
What is the measure of a lamp's efficiency?
Select one:
a. watts per Kelvin
b. lumens per watt
c. volts per lumen
d. the hour rating
e. watts per hour
Give this one a try later!
b c
a e
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5 of 206
, Term
A hot water system which circulates water through the pipes with a
pump is known as a:
Select one:
a. return system
b. forced system
c. circulating system
d. pumped system
e. gravity system
Give this one a try later!
a c
e b
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Term
A common cause of antifriction bearing failure is:
Select one:
a. Shaft misalignment
b. Drive motor overload
c. Extreme cold temperature cracking
d. High RPM service
Give this one a try later!
c d
a b
Don't know?
2 of 206
,Term
To reduce the leakage through a valve packing:
Select one:
a. Tighten one gland nut fully then the other one
b. Evenly distribute torque on gland nuts
c. Hand tighten only gland nuts
d. All of the answers
e. Tighten until the handle cannot be turned
Give this one a try later!
c e
d b
Don't know?
3 of 206
Term
Thermal Resistance is:
Select one:
a. often called the "TR" factor
b. a rate of heat flow
c. the reciprocal of Thermal transmittance
d. also known as a material's "R" value
,Give this one a try later!
c b
d a
Don't know?
4 of 206
Term
What is the measure of a lamp's efficiency?
Select one:
a. watts per Kelvin
b. lumens per watt
c. volts per lumen
d. the hour rating
e. watts per hour
Give this one a try later!
b c
a e
Don't know?
5 of 206
, Term
A hot water system which circulates water through the pipes with a
pump is known as a:
Select one:
a. return system
b. forced system
c. circulating system
d. pumped system
e. gravity system
Give this one a try later!
a c
e b
Don't know?
