What is the procedure for testing a circuit with a voltmeter if the polarity is unknown?
What will be an ideal response?
If the polarity of the circuit or component is unknown, touch the leads to the terminals while observing the indicating needle. If the indicating needle attempts to move backward, the meter lead connections must be reversed. If the leads are not reversed, damage to the meter, particularly the needle, can occur.
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This is a continuous weld made between or on overlapping members.
a. lap weld b. spot weld c. plug weld d. seam weld
Sediment pollution results in the loss of _____
a. grass c. fish and other aquatic life b. air d. humans
PROBLEM 3.87Knowing that the stepped shaft shown must transmit 45 kW at a speed of 2100 rpm, determine the minimum radius r of the fillet if an allowable shearing stress of 50 MPa is not to be exceeded.
A port-type injection system squirts fuel where?
A) Into the cylinder B) Below the throttle plate C) Above the throttle plate D) In the intake port, near the intake valve