When homeowners neglect to change filters, airflow is reduced to the point where the cooling coil can freeze. This can cause what critical component to fail prematurely?
A) Blower fan
B) Compressor
C) Condenser fan
D) Metering device
B
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When using a dynamometer to break in a set of rings on a rebuilt diesel engine, what is the minimum period the engine should be run at maximum power at rpms within its torque rise profile?
A. five minutes B. ten minutes C. twenty minutes D. forty minutes
What are the three breeding systems employed with domestic animals?
What will be an ideal response?
When the oil pressure drops to between 3 and 7 psi, the oil pressure lamp lights by _________
A) Shorting the circuit B) Grounding the circuit C) Conducting current to dash lamp by oil D) Opening the circuit
Which of the following steps is not necessary when sketching an object along isometric axes?
A. Locate starting and end points for the non-isometric lines. B. Darken all outlines. C. Develop a proportional box. D. Sketch in all isometric lines. E. none of the above