In addition to brick and refractory, the materials used in boiler insulation are _____.
a. fiberglass and mineral wool
b. insulation and vapor retarder
c. firestopping and lagging
d. insulation and lagging
d. insulation and lagging
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Your customer's transmission is jumping out of gear. What components should you inspect closely upon disassembly of the transmission?
What will be an ideal response?
The average time for lubricating a car is 2/5 hour. How many cars can be lubricated in an 8-hour day?
A. 15 B. 20 C. 24 D. 25
For the motor assume that the motor load is a fan-type. If an external resistance equal to the rotor resistance is added to the rotor circuit, calculate the following:
a. Motor speed b. Starting torque c. Starting current d. Motor efficiency (ignore rotational and core losses)