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What is the amp-load of a three-phase, 0.5-hp, 230-volt motor
with an efficiency rating of 92% and a power factor of 80%? a.
1.27 amps
b. 1.19 amps
c. 2.55 amps
c. 4.41 amps - ANSWER -a. 1.27 amps
One gallon of water weighs 8.34 pounds and one cubic foot
contains 7.48 gallons of water. A fish tank
measures 36 inches long, 24 inches wide and 20 inches
high. How many pounds of water will be in the fish tank?
a. 64.4 lbs
b. 74.8 lbs
c. 83.4 lbs
d. 624 lbs - ANSWER -d. 624 lbs
To select the proper protection for a motor, you need to know
all the following except the:
a. ambient temperature.
b. full-load current rating.
,c. service factor.
d. time rating. - ANSWER -a. ambient temperature.
An on-off switch with overload relays is
called a: a. magnetic control.
b. manual starter.
c. reversing starter.
d. combination starter. - ANSWER -b. manual starter.
Hydraulic actuators:
a. can produce very large thrust.
b. offer an indirect response to input.
c. require almost no maintenance.
d. usually use water as the fluid. - ANSWER -a. can produce
very large thrust.
Scheduling should
precede:
a.
planning.
b. material
procurement.
c. workload
balancing.
d. job execution. - ANSWER -d. job
execution.
, Which of the following should you NOT do after giving your
crew instructions?
a. Repeat key
points
b. Justify your
instructions
c. Refuse to change
assignments
d. Seek further information on a job - ANSWER -c.
Refuse to change
assignments
The surest way to get feedback is
through:
a. a suggestion
box.
b. the company
newsletter.
c. asking
questions.
d. All of the above - ANSWER -c. asking
questions.
The best way to motivate a crew is
though:
a. force.
b. playing
favorites.