Truck-mounted and rough terrain cranes are both forms of a mobile crane and both use which of the following to increase their stability? A. Outriggers B. Balance beams C. External balance calculators D. Internal balance calculators

You must adjust the chain after replacing the flapper. Select one: True False

What may be the issue if the water leaks from the toilet base? A. The flapper is damaged B. The flush valve is damaged C. The fill valve is damaged D. The wax seal is damaged

What is the symptom of a damaged tank -to-bowl gasket? A. Water leaks at the base of the bowl B. Water leaks at the bottom of the tank C. Toilet intermittently runs without flushing D. High water level in the tank

Question 4 Modulation Error Ratio is another name for Error Vector Magnitude SELECT ONE A True B False

used within 500 feet of an approaching vehicle Choose the category below that the above fact relates to. flashed headlights high beams low beams hazard lights

Question 1 What type of video demodulator provides the best linearity? STIFCTONE A Synchronous demodulator B Envelope detector

A rod-adhesion test is done to determine which type of rod will match and stick the best to the plastic part. A) True B) False

All of these are true of a hand seamer EXCEPT. A) It acts as a heat sink to cool the plastic. B) It is used to prepare an area for repair C) It is used with a hot air welder. D) It will flatten the melted plastic, causing it to melt deeper into the existing plastic.

All of these are true of nitrogen welding EXCEPT. A) The nitrogen acts as a shielding gas to produce a contaminant -free weld with less smoke and a stronger weld. B) It uses compressed nitrogen gas to eliminate oxygen from the weld area. C) Heated nitrogen gas directed at the repair area melts the rod and part together. D) Nitrogen is only supplied in an additional tank

Hot Questions

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