The correct flow rate of a shielding gas can be set by ____.
A. checking the pressure of the gas
B. multiplying the nozzle size by the amperage
C. checking welding guides
D. checking the density of the gas
Answer: C
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Los dispositivos similares a fusibles diseñados para ser utilizados sólo en un tipo especial de arrancador del motor combinado con fusible-interruptor se denomina:
a. GFCI. b. MSCP. c. disyuntores de desconexión instantánea. d. disyuntores HACR.
List two factors to consider when designing a corsage
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. In some generator systems, a large diode system is installed to prevent field charge damage. 2. If there is a complete failure of the AC power, the oil switch cannot be operated from the DC source. 3. The electrical current flowing in the alternators through conductors produces heat in the coils because of I2 R losses. 4. The voltage to the potential coils of instruments mounted on the switchboard should not exceed 120 to 125 volts. 5. It is safe to open the secondary circuit of a current transformer when there is a current flow in the primary circuit.
If the clearance between the starter pinion and the engine flywheel is too great, ________
A) The starter will produce a high pitched whine during cranking B) The starter will produce a high pitched whine after the engine starts C) The solenoid will not engage the starter drive D) The starter drive will not rotate at all