A series fault is one which occurs: 1. within the same conductor 2. hot leg to ground 3. phase leg to phase leg 4. hot leg and neutral
A needle valve is often used in pneumatic circuits __ To control actuator speed To reduce atmospheric pressure To control the position of the vane To measure air flow
Applications for the __ speed controls are with cylinders where loads can change periodically. Meter-in flow Meter-out flow Exhaust port Pressure port
A flow control valve is a combination of a __ Flow meter and a check valve DCV and a check valve Needle valve and a check valve Needle valve and a restrictor valve
Which type of conduit body does not provide a change in direction but may be used as a pulling point in a conduit run that has bends totaling more than 360^circ Type LL Type LB Type SLB Type C
The function of the voltage regulator is to control the output voltage by controlling the amount of excitation current supplied to the field or rotor. True False
If data transfer was incomplete before the meter was removed from the docking station, it is still OK to use the meter: a. True b. False
Where are the outside left and right side convex mirrors typically located? a. Above the outside flat mirrors. b. Below the outside flat mirrors. c. On the front corners of the bus. d. Anywhere the manufacturer decides to place them.
What will you do during the evaluation part of a space management system? Calculate distances Weigh risk and choose the best alternative Make note of the measurements of your vehicle
True or False: Special certification is required in order to touch and perform maintenance on chargers on the AR floor. Select the best response. - True - False
9 Multiple Choice 1 point Which of the following is not a measurement function of a DMM? Pressure Voltage Continuity Resistance
An oilless lubricating system uses a well or reservoir in the end bell. A True B False Question 8 Which of the following statements about replacement capacitors is false? A They should have the same capacitance value as the original. B They should have a capacitance value up to $25\% $ greater than the original. C They should never be undersized. D They may have a capacitance value up to $10\% $ greater than the original.
Split-phase motors use a(n) __ to disconnect the start windings as the motor approaches running speed. A unloader B VFD C squirrel cage rotor D centrifugal switch Question 12 On a capacitor-start,induction-run motor, a centrifugal switch or relay disconnects __ when the motor reaches about $75\% $ of its rated speed. A the start winding only B the start capacitor only C both the start winding and start capacitor D both the start capacitor and run capacitor
Just before lifting off a rotary wing pilot must check the weather at the scene for a medical transport. In addition the pilot must also: Know the condition of the patient. Check the weather at the receiving hospital. Inventory all equipment on board the aircraft. Know the experience of the crew setting up the landing zone.
Advantages of ECMs include the following, except __ A ability to maintain constant airflow B easily replaceable brushes C efficient performance D variable speed Question 22 Important motor information such as rated voltage time rating, insulation class frequency, phase, and horsepower can be found on the __ A motor frame B motor nameplate C bearings D shaft
Which type of discontinuity is NEVER visible during visual inspection? underbead cracking porosity toe cracks undercut
The NEC in Table 210.24 shows that the minimum conductor size for branch-circuit wiring is __ 16 AWG 20 AWG 18 AWG 14 AWG
424170 What is the minimum number of trenches that should be dug across a truck-bed, railcar, or barge to acquire a representative sample? 3 (three) 4 (four) 5 (five) 7 (seven)
Nickel alloys should not be heat-treated. Select one: True False
The operator interface audible alarm sounds when there is a hydrogen event. Select true or false. True False
